Table 5.
Change in secondary outcomes from baseline to the end of the intervention for all participants (n=209, using imputed dataset).
| Outcome | Facebook plus text | Control | P valuea | ||||
|
|
Mean baseline value (SE) | Mean change (95% CI) | Mean baseline value (SE) | Mean change (95% CI) | Mean baseline value (SE) | Mean change (95% CI) |
|
| Habit formation score (out of 28) | 15.7 (0.7) | 3.5 (1.6 to 5.3) | 16.4 (0.8) | 0.5 (0.93 to 2.0) | 15.3 (0.8) | 3.4 (1.7 to 5.2) | .01 |
| Overall knowledge score (out of 18) | 6.7 (0.3) | 1.6 (0.6 to 2.5) | 6.3 (0.3) | 2.9 (2.0 to 3.8) | 6.6 (0.3) | 0.2 (−0.7 to 1.1) | <.001 |
| Motivation score (out of 16) | 10.4 (0.4) | 1.0 (0.3 to 1.7) | 10.4 (0.3) | 1.0 (0.3 to 1.8) | 10.5 (0.3) | 1.1 (0.4 to 1.9) | .79 |
| Self-efficacy (out of 25) | 19.4 (0.6) | 1.2 (−0.1 to 2.4) | 19.5 (0.5) | 0.5 (−0.8 to 1.8) | 17.8 (0.6) | 1.0 (−0.4 to 2.4) | .31 |
aCovariates appearing in the linear regression model have been adjusted for gender, Socio-Economic Indexes For Areas, cooking frequency, baseline milk intake, baseline calcium intake, baseline knowledge, baseline habit, baseline motivation, and baseline self-efficacy.