Table 5.
Results of bivariate analysis between sexual behavior and mental health indicators of bivariate analysis among 9th grade adolescents in the 2015 PeNSE.
| Variables | Feel Alone | Does Not Have More Than 1 Close Friend | Have Trouble Sleeping Due to Worries | ||||||
|---|---|---|---|---|---|---|---|---|---|
| % | PR | p | % | PR | p | % | PR | p | |
| How old were you during your first act of sexual intercourse | |||||||||
| 15 y.o. or more | 48.9 | 1 | <0.001 | 13.8 | 1 | <0.001 | 44.5 | 1 | <0.001 |
| 13 and 14 y.o. | 46.1 | 0.94 (0.91–0.97) | 11.3 | 0.82 (0.76–0.89) | 41.8 | 0.94 (0.91–0.97) | |||
| 12 y.o. or less | 42.7 | 0.87 (0.84–0.91) | 13.0 | 0.94 (0.86–1.03) | 36.1 | 0.81 (0.79–0.85) | |||
| Use of condom during first act of sexual intercourse | |||||||||
| Yes | 43.9 | 1 | <0.001 | 11.3 | 1 | <0.001 | 39.6 | 1 | <0.001 |
| No | 50.9 | 1.16 (1.13–1.19) | 14.2 | 1.26 (1.18–1.34) | 44.6 | 1.13 (1.09–1.16) | |||
PeNSE: Pesquisa Nacional de Saúde do Escolar (National School Health Survey), PR: prevalence ratio;, and CI: confidence interval.