Table 3 Beliefs about increasing physical activity by arm and comparisons between each VBI and control
Motivational VBI Mean (SD) | Pedometer VBI Mean (SD) | Combined VBI Mean (SD) | Control Mean (SD) | Motivational VBI relative to Control - Difference in means (95 % CI) a | Pedometer VBI relative to Control - Difference in means (95 % CI) a | Combined VBI relative to Control - Difference in means (95 % CI) a | |
|---|---|---|---|---|---|---|---|
N | 56 | 42 | 57 | 115 | |||
Instrumental Attitude (Alpha = 0.49) b | 4.32 (0.79) | 4.23 (0.86) | 4.51 (0.55) | 4.15 (0.75) | +0.17 (−0.07, 0.41) | +0.07 (−0.19, 0.34) | +0.36 (0.12, 0.59) |
Affective Attitude (Alpha = 0.62) b | 4.01 (0.82) | 3.89 (0.76) | 4.10 (0.54) c | 3.73 (0.87) c | +0.28 (0.03, 0.53) | +0.16 (−0.12, 0.44) | +0.37 (0.11, 0.62) |
Subjective norm (Alpha = 0.49) b | 3.31 (1.05) d | 3.21 (0.79) | 3.26 (0.83) | 3.07 (0.83) | +0.24 (−0.05, 0.52) | +0.14 (−0.16, 0.45) | +0.19 (−0.08, 0.47) |
Perceived behavioural control (Alpha = 0.54) b | 3.71 (0.94) | 3.36 (0.94) | 3.81 (0.91) c | 3.42 (0.90) | +0.29 (−0.01, 0.58) | −0.06 (−0.39, 0.27) | +0.40 (0.10, 0.69) |
Behavioural Intention (Alpha = 0.88) b | 3.82 (0.90) | 3.68 (0.86) c | 3.86 (0.82) c | 3.46 (0.89) c | +0.36 (0.08, 0.64) | +0.22 (−0.09, 0.54) | +0.40 (0.12, 0.68) |