Table 5 Mean VBI duration, fidelity scores and participant engagement for each very brief intervention
From: Development and feasibility study of very brief interventions for physical activity in primary care
Variable | VBI 1 | VBI 2 | VBI 3 | VBI 4 |
|---|---|---|---|---|
Motivational | Action planning | Pedometer | Physical activity diary | |
N (useable recordings) | 11 | 16 | 17 | 14 |
VBI duration in minutes and seconds/mean (SD) | 5 m 10 s (1 m 54 s) | 4 m 52 s (1 m 08 s) | 5 m 28 s (1 m 33 s) | 4 m 07 s (1 m 01 s) |
PA recommendations & feedback score*/mean (SD) | 6.3 (1.5) | 6.6 (1.3) | 7.1 (0.9) | 6.4 (2.1) |
VBI-specific Score*/mean (SD) | 4.2 (1.7) | 4.2 (1.6) | 5.2 (1.5) | 4.2 (1.8) |
Overall Fidelity Score**/mean (SD) | 10.5 (2.9) | 10.8 (2.4) | 12.3 (2.2) | 10.6 (3.3) |
Participant engagement§/mean (SD) | 3.0 (0.6) | 3.3 (0.9) | 3.5 (0.7) | 3.1 (0.8) |