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Table 2 Summary of findings table

From: The effect of behaviour change interventions on changes in physical activity and anthropometrics in ambulatory hospital settings: a systematic review and meta-analysis

Behaviour change interventions for changes and maintenance in PA and anthropometrics in adults attending ambulatory hospital clinics
Outcome Anticipated absolute effects* (95% CI) № of participants (studies) Certainty of the evidence (GRADE) Informative statements
Physical activity SMD 0.96 higher
[0.45 to 1.48]
1454 (13 RCTs)
VERY LOW a,b,c,d,e
Behaviour change interventions may increase physical activity in ambulatory hospital patients but the evidence is very uncertain.
Mass
(kg)
MD − 2.74 lower
[− 4.42 to − 1.07]
872 (9 RCTs)
VERY LOW a,c,d,e,f
The evidence is very uncertain about the effect of behaviour change interventions on changes in mass in ambulatory hospital patients.
BMI
(kg/m2)
MD − 0.99 lower
[− 1.48 to − 0.50]
4728 (15 RCTs)
VERY LOW a,b,c,d,e
Behaviour change interventions may decrease BMI in ambulatory hospital patients but the evidence is very uncertain.
Waist Circumference
(cm)
MD − 2.21 lower
[− 4.01, − 0.42]
530 (5 RCTs)
VERY LOW a,c,d,f
The evidence is very uncertain about the effect of behaviour change interventions on changes in waist circumference in ambulatory hospital patients.
  1. *The risk in the intervention group (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI)
  2. Explanations
  3. aLarge number of studies with high risk of bias
  4. bHigh heterogeneity
  5. cDifferences in population and outcome measures
  6. dWide confidence intervals
  7. eAsymmetry in the pattern of results
  8. fModerate heterogeneity