Table 2 Summary of intervention characteristics of included publications for self-efficacy analysis
Intervention characteristics | Frequencies for self-efficacy analysis (k = 61) | Frequencies for physical activity analysis (k = 42) |
|---|---|---|
Theoretical basis | ||
Theoretical basis explicitly mentioned | 41 | 26 |
Some theory mentioned | 6 | 5 |
No theoretical basis explicitly mentioned | 14 | 11 |
Social Cognitive Theory | 40 | 26 |
Transtheoretical Model | 2 | 1 |
Self-determination Theory | 2 | 2 |
Other/Unclear | 17 | 13 |
Type of activities | ||
Individual | 26 | 17 |
Group | 31 | 22 |
Both individual and group | 4 | 3 |
Intervention focus | ||
Exercise (e.g. aerobics class, gym, jogging) | 3 | 0 |
Lifestyle physical activity (e.g. gardening, walking etc.) | 31 | 25 |
Weight loss/management | 27 | 17 |
Intervention also includes healthy eating focus | 43 | 29 |
Delivered by | ||
‘Facilitator’/’Interventionist’ | 8 | 8 |
Health and fitness professional | 22 | 9 |
Nurse or GP | 6 | 4 |
Peers/lay expert | 4 | 4 |
Researcher | 8 | 5 |
Not stated | 5 | 4 |
Other (including coach, dietician, instructor) | 8 | 8 |
Setting | ||
By internet/post/telephone | 3 | 2 |
Church | 2 | 2 |
College/University | 4 | 1 |
Community Centre | 6 | 6 |
Fitness centre/gym | 20 | 6 |
GP Surgery/Hospital | 5 | 4 |
Participants home | 4 | 3 |
Workplace | 1 | 1 |
Unclear/Other | 16 | 17 |
Delivery mode | ||
Counselling session | 33 | 20 |
Discussion Group | 18 | 14 |
Telephone | 3 | 2 |
Web-based | 7 | 6 |