Table 4 Mean weight and body mass index, 4, 8, and 12 weeks after intervention in two groups of text message and mobile social networking
Variable | Text message (N = 55) | Mobile social networking (N = 55) | P value | P value for repeated measure test |
|---|---|---|---|---|
Mean ± SD | ||||
Weight | ||||
Before intervention | 79.16 ± 14.5 | 76.07 ± 10.08 | 0.19 | 0.08 |
4 weeks after intervention | 78.6 ± 14.5 | 74.8 ± 10.3 | 0.17 | |
8 weeks after intervention | 78.3 ± 14.4 | 73.9 ± 10.1 | 0.06 | |
12 weeks after intervention | 77.9 ± 14.5 | 72.7 ± 10.03 | 0.03 | |
P value | 0.02 | 0.001 | ||
Body mass index (kg/m2) | ||||
Before intervention | 31 ± 5.5 | 29.9 ± 4 | 0.26 | 0.12 |
4 weeks after intervention | 30.6 ± 5.23 | 29.5 ± 4.1 | 0.25 | |
8 weeks after intervention | 30.6 ± 5.4 | 29.1 ± 4.06 | 0.09 | |
12 weeks after intervention | 30.7 ± 5.8 | 28.6 ± 4.06 | 0.03 | |
P value | 0.43 | 0.001 | ||