Table 2.
Unadjusted changes in sexual risk, social media utilization, and parental monitoring at baseline (T1) and 16-month follow up (T2).
| Variables of interest and response categories | T1 % (n) |
T2 % (n) |
Δ T1, T2 | |
| Sexual risk composite score mean (SD) (range 0-6) | 0.425 (0.97) | 0.733 (1.13) | 0.31 (P<.001) | |
| Social media use and behavior | ||||
| Mobile phone access (yes) | 88.7 (488) | 92.0 (494) | ||
| Mean number of activities on mobile phone (SD) | 5.90 (1.61) | 6.30 (1.26) | 0.4 (P<.001) | |
| SMS use | 95.7 (467) | 98.6 (486) | 2.88 (P=.007) | |
| More than 100 SMS per day | 34.2 (149) | 27.9 (135) | −6.13 (P=.02) | |
| SMS Parents at least once per day | 53.4 (239) | 54.1 (260) | ||
| SMS Friends at least once per day | 87.6 (403) | 86.0 (418) | ||
| SMS boy/girlfriend at least once per day | 64.8 (283) | 68.7 (322) | ||
| Internet use | 96.9 (533) | 98.5 (529) | ||
| Using Internet once per day | 78.2 (415) | 78.6 (416) | ||
| Social networking account | 95.7 (528) | 97.0 (518) | ||
| 82.9 (458) | 73.0 (390) | −9.94 (P<.001) | ||
| 58.7 (324) | 55.8 (298) | |||
| YouTube | 61.8 (341) | 66.9 (357) | ||
| 14.8 (82) | 27.4 (119) | 12.65 (P<.001) | ||
| Mean number of activities on SNS (SD) | 5.08 (0.08) | 5.02 (0.09) | ||
| Logging in to SNS one or more times per day | 79.1 (417) | 82.1 (426) | ||
| Mean parental monitoring score (SD) | 3.05 (0.75) | 3.00 (0.75) | ||