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Recommendations for older adults’ physical activity and sedentary behaviour during hospitalisation for an acute medical illness: an international Delphi study

Abstract

Background

Immobility is major contributor to poor outcomes for older people during hospitalisation with an acute medical illness. Yet currently there is no specific mobility guidance for this population, to facilitate sustainable changes in practice. This study aimed to generate draft physical activity (PA) and sedentary behaviour (SB) recommendations for older adults’ during hospitalisation for an acute medical illness.

Methods

A 4-Round online Delphi consensus survey was conducted. International researchers, medical/nursing/physiotherapy clinicians, academics from national PA/SB guideline development teams, and patients were invited to participate. Round 1 sought responses to open-ended questions. In Rounds 2–3, participants rated the importance of items using a Likert scale (1–9); consensus was defined a priori as: ≥70% of respondents rating an item as “critical” (score ≥ 7) and ≤ 15% of respondents rating an item as “not important” (score ≤ 3). Round 4 invited participants to comment on draft statements derived from responses to Rounds 1–3; Round 4 responses subsequently informed final drafting of recommendations.

Results

Forty-nine people from nine countries were invited to each Round; response rates were 94, 90, 85 and 81% from Rounds 1–4 respectively. 43 concepts (items) from Rounds 2 and 3 were incorporated into 29 statements under themes of PA, SB, people and organisational factors in Round 4. Examples of the final draft recommendations (being the revised version of statements with highest participant endorsement under each theme) were: “some PA is better than none”,older adults should aim to minimise long periods of uninterrupted SB during waking hours while hospitalised”, “when encouraging PA and minimising SB, people should be culturally responsive and mindful of older adults’ physical and mental capabilities” and “opportunities for PA and minimising SB should be incorporated into the daily care of older adults with a focus on function, independence and activities of daily living”.

Conclusions

These world-first consensus-based statements from expert and stakeholder consultation provide the starting point for recommendations to address PA and SB for older adults hospitalised with an acute medical illness. Further consultation and evidence review will enable validation of these draft recommendations with examples to improve their specificity and translation to clinical practice.

Background

Inactivity impacts the morbidity and mortality of conditions such as heart disease, stroke and diabetes [1] that are common in people admitted to hospital, either as the presenting complaint or as a concurrent condition. A high proportion of older adults’ experience both the disease burden of low physical activity (PA, being any bodily movement produced by skeletal muscles that requires energy expenditure) [2] and hospital admissions. The Australian Burden of Disease Study reported that people aged 65 to 74 years represented 22% of the overall physical inactivity burden, people aged 75 to 84 years contributed to 25% and the 85+ age group contributed to 18% [1]. In 2017–18, 42% of hospitalisations in Australia were people aged 65 years and over, a rate which is increasing beyond population growth for this age group [3]. Acute hospital cost savings have been associated with people and particularly older adults’ meeting the PA guideline [2] of engaging in at least 150 min of moderate-intensity PA throughout the week [4]. Similarly, hospital bed days may be reduced for older adults with greater daily step counts [5]. Yet 75% of community dwelling Australians aged 65 years and over do not meet the PA guideline of sufficient PA by engaging in at least 30 min of PA on ≥5 days per week [6].

The problems associated with low levels of PA are not unique to Australia, they are of global relevance as indicated by economic [7] and observational data [6, 8]. Furthermore, the multi-disciplinary #endpjparalysis movement has been widely promoted and highlights both awareness and action to get people in hospital up, dressed, and moving, with the goal of reducing immobility and protecting dignity [9]. Sedentary behaviour (SB, defined as the waking time spent sitting or lying down, or, according to an energy expenditure threshold of ≤1.5 METs) [10] is prevalent in acute hospitals; with adults spending 87–100% of their time in hospital in seated or lying postures [11, 12]. When hospitalised with an acute medical illness, older adults are at high risk of functional decline, newly acquired disabilities and poor outcomes that persist post-hospitalisation such as continued decline, institutionalisation and death [13,14,15]. Research is only beginning to investigate activity dosage in older medical patients with reports of: a reduced risk of 30-day hospital readmission above a threshold of 275 steps per day and further risk reduction for every 100 step increase in mean daily steps [16]; an increased risk of hospital associated functional decline if taking ≤900 steps per day [17, 18] and the suggestion that walking at least twice a day for 20 min is associated with less functional decline in people of variable physical capabilities [19]. The problems of low mobility and SB in hospitals are complex because there are system issues, in addition to challenges relating to people, culture, the environment and operational processes [20]. At the individual level, complexities can relate to the heterogeneity of acute medical conditions (clinical stability and the safety of exercise in different populations) and levels of independence seen in older adults. There is some evidence for mobilisation and exercise programs (including within models of care such as ‘Acute Care for Elders’) [21,22,23,24] but there remain few interventions [25,26,27] to address low mobility and high levels of SB for people in hospitals [28].

Support for clinical practice in the form of protocols or guidelines on PA and SB for the acute hospital setting is also lacking. While surgical patient groups are covered by acute post-operative mobility protocols or ‘Enhanced Recovery After Surgery’ (ERAS) pathways [29], these do not apply to older adults who are admitted to hospital with an acute medical illness. Whether components of existing guidelines [30] remain applicable when older adults are acutely hospitalised with a medical illness is not known. The development of guidelines or recommendations needs to be rigorous and transparent. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach is a method for rating the strength and quality of evidence when making recommendations [31]. Alternatively, the Delphi methodology can be used to shape the field of research, accelerate progress and prevent pitfalls in future intervention studies [32] for research areas where the body of empirical data on interventions are unavailable or inadequate. The Delphi methodology is well-established and allows for the collection of expert and stakeholder opinion and consensus agreement on a topic, through prospective surveys [33]. Given the importance of activity for older people in hospital, and the lack of existing guidance, this study aimed to gain consensus opinion from a range of international stakeholders on older adults’ PA and SB during hospitalisation for an acute medical illness, with the goal of drafting recommendations and targets.

Methods

This study used an online Delphi survey methodology. The research is compliant with the ‘Recommendations for the Conducting and REporting of DElphi Studies’ (CREDES) [34]. The project was prospectively registered (COMET Initiative: www.comet-initiative.org/studies/details/1338?result=true) and approved by the Flinders University, Social and Behavioural Research Ethics Committee (SBREC) (project 8254) including procedures for informed consent.

Participants and panel recruitment

Participants were sought from a range of stakeholder groups [35], being researchers, clinicians, policy makers and patients (recruitment strategy in Additional file 1, Table S1). Researchers were corresponding authors identified from publications describing PA and/or SB in hospitalised older adults with an acute medical illness [11, 36,37,38], or, were purposively selected on recommendation from other participants and researcher networks for their expertise in PA/SB and management in the acute setting of: chronic obstructive pulmonary disease, chronic heart failure, stroke or cancer. Clinicians were nominated by professional associations for physiotherapy, medicine, and nursing from Australia, Canada, the United Kingdom and the United States. The stakeholder group of policy makers was formed from academics who were associated with national Australian, Canadian, United Kingdom and United States PA and/or SB Guideline development teams [39,40,41,42], and nominated representatives from international societies that advocate for improving PA and reducing SB. Patient stakeholders were recruited from Australia via social media and a health consumer newsletter, being eligible if they were aged ≥65 years and had been hospitalised with a medical illness (not elective surgery) for at least one night in the last two years.

The recruitment of identified researchers, clinicians, and policy makers (here on referred to as ‘professional’ stakeholders) was through an expression of interest to participate, based on a published communication strategy (www.improvelto.com) [32]. Contact was made by email with study information and up to two reminders. Study information included the project rationale and goals, an outline of the stakeholder groups, the overall study timeframe and anticipated commitment for each round. In the absence of guidelines for the optimal number of Delphi participants, 50 participants were sought with the panel composition based on: the end-user groups anticipated to have most interest in the results; a desire for 20% patient representation [32]; and, diversity in participants’ geographical location and expertise across the hospital-community care continuum. All people who indicated intent to participate were invited to all survey rounds, unless they formally withdrew from the study.

Delphi surveys

A maximum of four survey rounds were planned. Each survey was pilot tested prior to distribution by people who were not participants in the Delphi proper; Round 1 was tested by seven multi-disciplinary clinicians and two community dwelling older adults while Rounds 2–4 were tested by three people (an older adult, a clinician and a researcher). Study participants received an electronic survey (www.qualtrics.com) via email and were asked to complete each survey within three weeks, with email reminders at one and two weeks. Participant anonymity was maintained by individualised communication for each round, and a reminder that participants should avoid searching for or seeking opinions of others. After each round, participants were emailed an individual document of their responses. Group level feedback was integrated in Rounds 2 to 4 (Fig. 1).

Fig. 1
figure1

Example histogram, as provided to participants for group level feedback

Round 1

Round 1 started in March 2019. Demographic data were collected as relevant to each stakeholder group. All participants were invited to read background information which included: definitions for PA and SB; the World Health Organization’s (WHO) ‘Global Recommendations on Physical Activity for Health: 65 years and above’; [30] and information on how many healthy older Australians are meeting guidelines [6, 43] (participants from other countries were asked to reflect on data from their own country). For the purposes of the study, an ‘acute hospital’ was defined as a place providing 24-h care for people who are unwell and had an unplanned admission, and, ‘acute medical illness’ was deemed not to include ‘elective’ or planned admissions, an admission for which surgery is the main form of treatment, or, admission for a mental health condition. All participants indicated that they understood the background information and definitions. Participants were then asked open-ended questions about older adults while hospitalised with an acute medical illness (here on referred to as hospitalised older adults), including: awareness of any recommendations/targets for PA or minimising SB, what could recommendations/targets be, how patients could achieve suggested recommendations/target, and whether there were conditions or circumstances where suggested targets/aims needed to be modified (Fig. 2). Round 1 responses were qualitatively collated by the lead investigator before confirmation by the research team.

Fig. 2
figure2

Overview of study procedures and round response rates

Round 2

Round 2 was developed based on 16 categories identified from Round 1 analysis, grouped as: PA (n = 3 items), SB (n = 2 items), people (n = 5 items) and organisational factors (n = 6 items). Participants were invited to rate each item for the importance with which it should be developed into a recommendation/target (Fig. 2). Scoring was based on the 9-point GRADE scale divided into 3 categories: not important (1–3), important but not critical (4–6), and critical (7–9) [44]. Participants were also asked to rate the applicability of the WHO PA recommendations [30] (and country specific SB guidance) to hospitalised older adults, using a scoring system of not applicable (1–3), somewhat applicable (4–6), and extremely applicable (7–9). Participants could choose to leave items blank (no rating). Consensus agreement was defined a priori [32] as: ≥70% of respondents rating an item as ‘critical’ or ‘extremely applicable’ (score ≥ 7) and ≤ 15% of respondents rating an item as ‘not important’ or ‘not applicable’ (score ≤ 3).

Round 3

Round 3 was developed based on Round 2 analysis (Fig. 2). Participants were invited to re-rate items where consensus agreement was not reached in the previous round, and to rate new items generated from free-text comments in Round 2. Participants were reminded of the study definitions including an explanation of consensus agreement with prompts to give thought to the category labels when rating items (e.g. not important, important but not critical, critically important).

Round 4

At the completion of Round 3, the research team drafted 29 new statements (Additional file 1, Table S2) with supporting introductory material (Additional file 1, Figure S1), based on participant comments and ratings from the previous three rounds (Fig. 2). All 29 statements on the PA and SB of hospitalised older adults were based on items that reached consensus agreement within Rounds 2–3. In this fourth and final round, participants were asked to comment on or provide alternative wording for each statement, or simply to indicate that they were supportive. Round 4 concluded in October 2019.

Data analysis

The response rate was determined as the proportion (n, (%)) of panel members to whom the survey was distributed (i.e. signalled intent to participate). Participant characteristics are reported descriptively. For Likert scale items, the mean, standard deviation (SD), median and mean absolute deviation from the median (MAD-M) were calculated using all participant data, and separately for the patient and professional groups. Consensus agreement was calculated based on the number of respondents for each item. The process for creating a final draft of recommendations (or targets) was determined post-hoc. Round 4 verbatim responses for each statement were categorised as either ‘endorsed’ (determined as a positive participant response with wording such as “agree” “no comment” “supportive” “good”) or a ‘feedback’ comment (Fig. 2). All feedback comments were reviewed, and revised into succinct statements to create a final draft of recommendations (or targets).

Results

A total of 59 professionals were sent the study expression of interest, of whom 41 (69.5%) signalled their intent to participate (Additional file 1, Table S1). Out of the 13 patients who completed recruitment screening, eight were confirmed to meet the study eligibility criteria (Additional file 1, Table S1). Therefore, survey Rounds 1 was distributed to 49 people, and patients comprised 16% of the total sample. The participation rate in all 4 rounds was 65.3% (n = 32/49) with n = 48/49 (98.0%) people responding to at least one round. One patient did not complete any surveys. Demographic characteristics of the 48 people who completed at least one survey are available in Table 1. The response rate for each round is available in Fig. 2.

Table 1 Participant characteristics

Round 1

When participants were asked if they were aware of any recommendations/targets for PA or minimising SB, 12 participants (10 professionals and 2 patients) responded ‘yes’ for PA, and 10 (8 professionals and 2 patients) responded ‘yes’ for minimising SB. Analysis of verbatim responses included reference to 16 publications [17, 30, 39, 45,46,47,48,49,50,51,52,53,54,55,56,57]. Some participants expressed an awareness of general guidance or principles, that are not prescriptive on what PA to do in the hospital setting. More broadly, there were two main themes raised in Round 1, firstly the definitions for PA and SB, and secondly, challenges to developing consensus recommendations. Participants suggested that the separation of questions for PA and SB for hospitalised older adults resulted in duplication. For example, one researcher participant commented: “Minimising sedentary behaviour and increasing physical activity are much the same thing”. Participants raised questions on whether PA and SB should be considered in isolation or as a continuum, the key reasons given for this query related to how time is substituted between sitting, standing, light activity, moderate to vigorous physical activity (MVPA) and sleep within a 24-h day; whether time spent sitting affects health independent of MVPA in hospitalised older adults; whether sitting should be separated from lying in approaches to SB for hospitalised older adults; whether hospitalised older adults may complete PA in sedentary (sitting/lying) postures (example, chair exercises); and, consideration of energy expenditure for activities, regardless of whether in bed, seated, or standing. Some responses suggested uncertainty as to whether standardised recommendations could be made. An example comment provided by a policy maker participant was: “While I think a target would potentially be helpful, I’m hesitant as it would potentially be a different target (individualised target) for each patient dependent on ability and amended/updated on an individual basis.”

Round 2

When presented with existing WHO guidelines for older adults [30], consensus agreement was reached overall and within both the patient and professional groups that 4 existing recommendations were ‘extremely applicable’ (scored ≥7), and one recommendation was ‘not applicable’ (inverse scoring of ≤3) (Table 2). A greater proportion of patients rated guidelines as ‘extremely applicable’. Optional free-text responses were provided by 23 people. Participant views ranged from suggesting that no guidelines were applicable, to some guidelines being applicable while others not, and, that most apply. The following issues were raised about why consensus may or may not be reached:

  • Focus of guidelines: participants suggested that the emphasis on cardiovascular, SB, strength and balance guidelines may be different during acute hospitalisations; cardiovascular fitness may be less important; strength and balance components may better relate to the more common problems of hospitalisation; and, sitting may be separated from lying.

  • Approach to endorsing guidelines: participants identified barriers and practical limitations to meeting potential guidelines; some participants viewed targets as something to still aim for.

  • Issues of dosage: participants suggested that it may be hard to generalise the dosage of exiting guidelines (intensity, duration or frequency) to hospitalised older adults; the minimum duration of aerobic activity bouts is not included in current Australian [58] or US guidelines [59].

  • Caveats: participants suggested how changes to wording could alter the applicability.

Table 2 Round 2 responses

Participant ratings of potential new recommendations/targets for hospitalised older adults are presented in Table 2. There was consensus agreement that 37 (out of 46) items/concepts were ‘critically important’. There was consensus agreement in both patient and professional groups for 28 items. Within the group of ‘PA’ recommendations, optional free-text responses were provided by 14 participants, expressing issues of: differing guidelines for patients who are dependent versus independent (requiring specificity to context and ability); the balance between broad or general recommendations with focussed recommendations, including risks of these different approaches (recommendations being ignored if too general); evidence for targets; challenges to implementation and methods of measurement; and, coverage of activities other than walking. Within the group of ‘SB’ recommendations, optional free text responses from 11 participants expressed issues of: the balance between general and focussed recommendations, including risks of these different approaches; evidence for focussed targets; challenges to implementation, especially with patients who require assistance to break up SB; consideration of context (when rest is needed for recovery, or SB occurs due to lack of stimulus); and, how sedentary time is broken up and the differentiation of sitting and lying.

Within the group of ‘people’ recommendations, optional free text responses (n = 12) expressed issues of: risk culture, communication and the expectations of all about mobility; impacts of the biomedical model (hospital/ward cultures, timing of ward rounds to give free time for fundamental care (meals, mobility), and the limitations of a ‘prescription’ approach for a non-pharmacological intervention; goal setting (including documentation, and opportunities for modification); sensitive staff/patient interactions that are culturally safe and respectful (including to patients with cognitive impairment, an example comment provided by a patient was “encouragement be seen as 'bullying'”; and, staff competence, not just availability. Within the group of ‘organisational’ recommendations, optional free-text responses from seven participants expressed issues of: challenges to implementation; interactions and the requirement of multiple components for success; and, evidence for recommendations.

Round 3

Participant re-rating of potential new recommendations/targets for hospitalised older adults with an acute medical illness resulted in six items reaching consensus agreement as ‘critically important’ (Table 3). When asked about the applicability of existing guidelines for older adults [30], two further guidelines reached consensus agreement as being ‘extremely applicable’ and one recommendation was ‘not applicable’ (inverse scoring of ≤3) (Table 3).

Table 3 Round 3 responses

Round 4

In Round 4, participants were presented with 29 newly drafted statements under 16 categories, with supporting introductory material (Fig. 2); a summary of the participant responses and draft material are presented in Additional file 1 (Table S2 and Figure S1). Further comments were made by 13 people at the end of the survey (not attached to a particular statement). Comments included positive endorsements (n = 6) (e.g., ‘excellent’ ‘clear and concise’ ‘really good’ ‘I can see how the various stages of the Delphi process have informed these statements’), suggestions for examples (n = 2, stating the need to acknowledge the ‘relative lack of firm evidence’ and/or that statements were ‘too vague’), that there were too many statements (n = 2, overlap with possibility to combine), request for a preamble to explain the context of PA during/throughout waking hours (n = 1) and considering the use of both ‘recommendations’ and ‘targets’ terminology (n = 1). In the post hoc analysis, there was ‘endorsement’ from ≥70% of respondents for 12 of the 29 newly drafted statements. Based on respondent ‘feedback’ comments within Round 4, a final draft of introductory material (Fig. 3) and recommendations (or targets) (Table 4) were created.

Fig. 3
figure3

Final draft introductory material (i.e. amended statements based on participant feedback from Round 4)

Table 4 Round 4 final draft recommendation/targets

Discussion

This study provides the first international consensus for recommendations on PA and SB for older adults while hospitalised with an acute medical illness. The main messages from consensus agreement on the applicability of existing PA/SB guidelines to this inpatient population are that hospitalised older adults should: be as physically active as their abilities and condition allows [30]; minimise time spent sitting or sedentary for extended periods [40]; and, move more and sit less throughout the day [59]. Muscle strengthening and balance exercises were also viewed as important, although participant responses suggested that strength and balance activities may be performed more frequently (daily) by hospitalised older adults, than stated in current guidelines. The wording of the newly drafted PA and SB recommendations for hospitalised older adults was such that some were very general statements and others were more focussed. The newly drafted recommendations begin to address contextual issues such as the influence of people and organisational factors. Focussed recommendations such as those on PA or sedentary break frequency did not reach consensus agreement early on and required development over several survey rounds.

This study recognises the problems of inactivity in hospitals around the world [9] and responds to a need for recommendations specific to hospitalised older adults. This study centred on inpatients with a medical illness to be consistent with other studies [16, 17, 19] and balance the internal validity of recommendations to the clinical population (specificity) without being too restrictive (recommendation generalisability). Patients with surgical admissions can similarly experience low PA (step counts) [61] and SB [62], but may be better supported with post-operative mobility or ERAS protocols [29]. Still, all patients in hospital are exposed to system constraints, such that these study findings may have broader applications.

The newly drafted recommendations build on the principle that some activity is better than no activity by starting to provide targeted guidance on breaking up sedentary time (Table 4, source items 5a-c as per Table S2) and an individualised approach to PA with light and variable intensity activity options for hospitalised patients like walking (Table 4, source items 3a-c as per Table S2). To progress this guidance further, research in the hospital setting is needed to understand the dose-response relationship of PA to clinical outcomes, and potential modulation of the effects of prolonged SB by PA for older adults with an acute medical illness. Even in the general population, there are challenges to making SB guidelines such as on the frequency of breaks [63]. For populations with limited mobility and acute illness, differentiating sitting from lying has short term physiological effects including improved pulmonary function (for example lung volumes) [64] and stimulation of an exercise response (for example increased oxygen consumption, minute ventilation, mean arterial pressure and heart rate) [65]; but more research is required to underpin SB recommendations in acute populations and impacts on other patient centred outcomes.

Potential risks of increased PA in acutely unwell populations need to be monitored and managed. An increased risk of falls is often cited as a reason to avoid increasing PA in hospitalised older adults, however this is not supported by evidence and existing fall prevention strategies such as bed/chair alarms combined with a punitive staff culture may accentuate SB and functional decline, thereby increasing falls risk [66]. For hospitalised older adults, delirium prevention programs like the ‘Hospital-Elder-Life-Program’ (HELP) are highly effective at reducing the odds of falls [27]. A key strategy for fall prevention, HELP and similar programs [26, 67] is patient mobility and exercise. Expert consensus guidelines have been used to support safe early mobility for the most critically unwell patients [68], alongside reviews of adverse event data from exercise-based trials [69], such that a similar approach may progress changes in practice for patients admitted to general wards.

In a complex setting like a hospital, use of a systems framework may be helpful to understand SB and how to influence practice [20]. The recommendations from this study align with operationalisation of the systems of sedentary behaviour framework [9]. Furthermore, the ‘people’ (and culture) recommendations are grounded in qualitative research perspectives from patients, who have expressed a desire for purposeful activity and autonomy, assistance for out-of-bed activity, a balance with physical and mental rest, and understanding of sources of inactivity in the hospital environment and work practices [70,71,72]. Research with health professions suggests instances of incorrect assumptions about patient motivation [72] and descriptions of a complex social context where behaviours are shaped by professional identities and blurring of responsibilities [73, 74]. All professional groups have expertise that can promote patient mobility and improve outcomes [75]. While physiotherapists’ have particular expertise in mobility issues and are skilled to provide PA counselling on staying active in hospital [76, 77], there are examples of nursing-led, function focussed care programs [25] that consider how patients spend their time outside of any physical therapy sessions, and medical champions within multi-disciplinary programs [26, 27, 75].

This study has several methodological strengths, including representation of a range of stakeholder groups, even though the proportion of included patients in the Delphi (16%) was slightly under the targeted 20%. Stakeholder and particularly patient involvement with greater diversity will be important for future work and implementation. The engagement of participants was strong as evidenced by recruitment, the response rates to each round (and items within rounds), and qualitative comments in support of the project. An example comment provided by a clinician participant was ‘I am impressed with how this research has targeted and progressed on what I think is a very crucial topic, and hope it gets more traction and influence.’ Methodological rigor included using an a priori definition for consensus and item rating system that has been used in other studies and ensured an item does not achieve consensus if there were a strength of opposing views. There were no items in the present study that failed to reach consensus (i.e. otherwise achieved a rating of ‘critically important’ by ≥70% of respondents) because of ≥15% of respondents also rated the item ‘not important’. However, there were some occasions where patient participants indicated they felt unqualified to answer particular questions. Each survey was pilot tested, but separate surveys or questions for different stakeholder groups could have been used [78].

Limitations of the study include progression to the point of final draft recommendations only. Recommendations that are both practicable and robust in the interpretation of an evidence base can be achieved with the GRADE approach. However, it was not appropriate to use GRADE for the present study as the authors perceived the evidence base to be insufficient, with a predominance of observational rather than interventional studies [11]. Therefore, the authors advise judicious use of these draft recommendations and acknowledge that both appraisal of existing evidence and generation of new evidence is required to support recommendations. The draft recommendations may be adapted and finalised by convening an expert working group, and with end-user validation they may be supplemented by strategies for implementation. In order to inform future interventions studies and develop the evidence base itself, agreement on the crucial outcomes that should be measured in research studies of PA and SB during hospitalisation is required.

While a strength of the study was recruitment of international participants, the panel was mostly from Western countries that rank highly on the human development index, which may limit the generalisability of the draft recommendations. For pragmatic reasons, patient stakeholders were not sought from countries other than Australia. The inclusion of researcher and policy maker stakeholders increased the diversity of professional backgrounds represented in the panel, but the most highly represented group was Australian physiotherapists (clinicians and researchers), which likely influenced the perspectives of the recommendations. The study may have been strengthened by including patients from other countries and other professional groups with an interest in patient activity.

Conclusions

This study generated a range of newly drafted recommendations on PA and SB for hospitalised older adults with an acute medical illness and is a contemporary reflection of the expert thinking of researchers, multi-disciplinary clinicians, policy makers and patients. Older adults’ PA and SB during hospitalisation should be in line with some current recommendations, with the following overarching principles (that reached the highest degree of consensus): acting with respect and person-centredness when working with older adults; being responsive to peoples culture and their physical and mental capabilities; incorporating PA throughout daily care with a focus on function and activities of daily living; and sharing the responsibility of enabling PA and minimising SB. These recommendations may guide future research priorities and co-designed clinical trials. Implementation with the development of supporting resources is also required.

Availability of data and materials

The datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.

Abbreviations

CREDES:

Recommendations for the Conducting and REporting of DElphi Studies

COMET:

Core Outcome Measures in Effectiveness Trials

ERAS:

Enhanced Recovery After Surgery

GRADE:

Grading of Recommendations Assessment, Development and Evaluation

MAD-M:

Mean Absolute Deviation from the Median

MET:

Metabolic Equivalent of Task

MVPA:

Moderate-Vigorous Physical Activity

PA:

Physical Activity

SB:

Sedentary Behaviour

SD:

Standard Deviation

WHO:

World Health Organization

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Acknowledgements

The authors thank all participants for contributing their time and expertise, including Maayan Agmon, Jayne Anderson, Amit Arora, Maureen C Ashe, Kasia Bail, Cynthia J Brown, Wendy J Brown, Vinicius Cavalheri, Nathalie Cote, Loretta DiPietro, Christina Ekegren, Jeffrey Lindsay Fiebig, Natalie Fini, Steve R Fisher, Claire Fitzsimons, Theresa A. Floegel, Dawne Garrett, Catherine L Granger, Juliet Harvey, Tammy Hayward, Kylie Hill, Tracy Kolbe-Alexander, Sharon Kramer, Sowmya Kumble, Breanne Kunstler, Suzanne Kuys, Heather Lane, Susan Matthews, Lorraine McInnis, Kristoffer L Norheim, Huong Q Nguyen, Mette Merete Pedersen, Alison Rawnsley, Barbara Resnick, Alex V Rowlands, Cathy Said, Travis Saunders, Dawn A Skelton, Julie Stanik-Hutt, Alice M Turner, and others with their name withheld. The authors also thank the professional bodies that supported recruitment of the study panel, and those who completed pilot testing of surveys.

Funding

This research was funded by a Flinders University, College of Nursing and Health Sciences Establishment grant, and an Accelerator grant from the Flinders University, Caring Futures Institute. The grant reviewers provided feedback on the original study design (proposal) but there was no conflict of interest and there was no role in the study methods, subject recruitment, data collection, analysis or preparation of the paper.

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CEB, AP and LKL contributed to the conception and design of the work; CEB and SE contributed to the acquisition and analysis of data; All authors contributed to the interpretation of data and drafting of the work (or substantial revisions). All authors have read and approved the final manuscript and agree to be accountable for all aspects of the work.

Corresponding author

Correspondence to Claire E. Baldwin.

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This project was approved by the Flinders University, Social and Behavioural Research Ethics Committee (SBREC) (project number 8254) including procedures for informed consent, taken from participants.

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Study procedures as approved by the Flinders University, Social and Behavioural Research Ethics Committee (SBREC) (project number 8254) included consent from individual participants, where given, to acknowledge their contribution to this research by name.

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The authors declare that they have no competing interests.

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Baldwin, C.E., Phillips, A.C., Edney, S.M. et al. Recommendations for older adults’ physical activity and sedentary behaviour during hospitalisation for an acute medical illness: an international Delphi study. Int J Behav Nutr Phys Act 17, 69 (2020). https://doi.org/10.1186/s12966-020-00970-3

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Keywords

  • Physical activity
  • Sedentary behaviour
  • Ageing
  • Hospitalisation
  • Clinical guideline
  • Physiotherapy
  • Acute illness
  • Older adult
  • Delphi