Table 4.
Before/after subgroup comparison of the mean score for the five constructs of ‘behaviour change intention’ between the baseline and the end of follow-up
| Construct variable | Summary measure | Baseline | Follow-up | Mean difference (95% CI) | P value |
| Participants completed baseline and follow-up survey (n=96) | |||||
| Intention (n=96) | Median (IQR) | 5.50 (2.00) | 5.75 (2.00) | 0.22 (−0.07 to 0.51) | 0.140 |
| Social influence (n=96) | Mean (SD) | 4.21 (1.26) | 4.28 (1.26) | 0.07 (−0.19 to 0.33) | 0.578 |
| Beliefs about capabilities (n=95*) | Mean (SD) | 5.39 (1.20) | 5.61 (1.02) | 0.22 (−0.02 to 0.47) | 0.067 |
| Moral norm (n=92*) | Median (IQR) | 6.50 (1.50) | 6.50 (1.38) | 0.21 (−0.04 to 0.45) | 0.101 |
| Beliefs about consequences (n=96) | Mean (SD) | 5.96 (1.09) | 6.08 (0.99) | 0.13 (−0.10 to 0.35) | 0.279 |
| Subgroup participants: completed baseline and follow-up survey and the digital learning (n=62) | |||||
| Intention (n=62) | Median (IQR) | 6 (2.50) | 6 (2.00) | 0.36 (−0.26 to 0.75) | 0.067 |
| Social influence (n=62) | Mean (SD) | 4.30 (1.28) | 4.56 (1.12) | 0.26 (−0.04 to 0.56) | 0.085 |
| Beliefs about capabilities (n=61*) | Mean (SD) | 5.39 (1.30) | 5.83 (1.03) | 0.44 (0.11 to 0.76) | 0.009† |
| Moral norm (n=60*) | Median (IQR) | 6.5 (1.50) | 7.0 (1.00) | 0.29 (−0.02 to 0.61) | 0.070 |
| Beliefs about consequences (n=62) | Mean (SD) | 6.05 (1.12) | 6.21 (0.93) | 0.16 (−0.13 to 0.45) | 0.271 |
Means are reported where the data are normally distributed.
*Missing construct values.
†Statistically significant difference.