Table 1 Summary of intervention characteristics of included studies
Intervention characteristics | Number of studies (n, (%)) | Publications (n, (%)) |
|---|---|---|
Lifestyle risk factor targeted | ||
 Physical activity | 5 (8.6) | 6 (8.6) |
 Nutrition | 11 (18.9) | 12 (17.1) |
 Physical activity and nutrition | 41 (70.7) | 51 (72.9) |
 Unspecified | 1 (1.7) | 1 (1.4) |
Method of delivery | ||
 Phone | 12 (20.6) | 13 (18.6) |
 Videoconference | 17 (29.3) | 21 (30.0) |
 Phone/videoconference | 8 (13.8) | 9 (12.9) |
 Phone/videoconference/face-to-face | 2 (3.4) | 2 (2.9) |
 Phone/videoconference/mHealth | 2 (3.4) | 2 (2.9) |
 Phone/face-to-face | 5 (8.6) | 6 (8.6) |
 Phone/face-to-face/mHealth | 1 (1.7) | 1 (1.4) |
 Videoconference/face-to-face | 9 (15.5) | 12 (17.1) |
 Videoconference/face-to-face/mHealth | 1 (1.7) | 1 (1.4) |
 Unspecified | 1 (1,7) | 3 (4.3) |
Mode of delivery | ||
 Group | 16 (27.6) | 17 (24.3) |
 Individual | 24 (41.4) | 32 (45.7) |
 Group and individual | 17 (29.3) | 20 (28.6) |
 Unspecified | 1 (1.7) | 1 (1.4) |
Delivered by a health professional? | ||
 Yes | 47 | 57 |
 Dietitian | 26 | 30 |
 Nurse Practitioner | 16 | 21 |
 Exercise professional | 11 | 12 |
 Psychologist | 9 | 10 |
 Health/Lifestyle Coach | 5 | 7 |
 Diabetes Educator | 5 | 5 |
 Physiotherapist | 4 | 5 |
 Community health worker | 3 | 3 |
 Social Worker | 3 | 3 |
 Counsellor/Health Educator | 2 | 2 |
 Individuals with tertiary training in a Health Science | 2 | 2 |
 Endocrinologist | 1 | 1 |
 Nutrition student supervised by dietitian | 1 | 1 |
 Unspecified Allied Health Clinician | 1 | 2 |
 Occupational Therapist | 1 | 1 |
 Pharmacist | 1 | 1 |
 Not specified | 11 | 13 |
Total number of telehealth consults delivered during intervention | ||
  < 10 | 20 (34.5) | 24 (34.3) |
 10–20 | 15 (25.9) | 18 (25.7) |
 20 +  | 8 (13.8) | 10 (14.3) |
 Patient preference | 3 (5.2) | 5 (7.1) |
 Not specified | 13 (22.4) | 13 (18.6) |
Range of consult length (mins) | ||
 Not reported | 25 (43.1) | 29 (41.4) |
 15–60 | 26 (44.8) | 33 (47.1) |
  > 60 | 7 (12.1) | 8 (11.4) |
Reported outcome(s) | ||
 Behaviour change (diet/physical activity) | 40 | 48 |
 Morbidity | 11 | 13 |
 Anthropometry/weight loss | 36 | 40 |
 Biochemistry | 22 | 26 |
 Feasibility | 17 | 22 |
 Qualitative themes | 7 | 7 |
 Cost-effectiveness | 2 | 2 |