Variables associated with sexual initiation
| Sexually initiated, n (%) | p Value* | ORs of having had sex | |||||
|---|---|---|---|---|---|---|---|
| Crude | Model 1† | Model 2† | Model 3† | ||||
| Safe-sex belief‡ | |||||||
| No (N=7792) | 1449 | (18.6) | <0.001 | (ref) | (ref) | (ref) | (ref) |
| Yes (N=1202) | 365 | (30.4) | 1.91 (1.61 to 2.26) | 1.85 (1.55 to 2.19) | 1.84 (1.55 to 2.19) | 1.82 (1.51 to 2.21) | |
| Sex | |||||||
| Male (N=4070) | 1178 | (28.9) | <0.001 | (ref) | (ref) | (ref) | (ref) |
| Female (N=4924) | 636 | (12.9) | 0.36 (0.30 to 0.44) | 0.34 (0.29 to 0.40) | 0.36 (0.31 to 0.42) | 0.36 (0.31 to 0.42) | |
| Age (years) | NA | NA | NA | 1.43 (1.35 to 1.52)§ | 1.51 (1.41 to 1.61)§ | 1.53 (1.42 to 1.64)§ | 1.52 (1.42 to 1.64)§ |
| Country | |||||||
| The Philippines (N=3044) | 635 | (20.9) | (ref) | (ref) | (ref) | (ref) | |
| El Salvador (N=2591) | 591 | (22.8) | <0.001 | 1.12 (0.81 to 1.55) | 1.29 (0.88 to 1.90) | 1.20 (0.81 to 1.77) | 1.29 (0.88 to 1.90) |
| Peru (N=3359) | 588 | (17.5) | 0.81 (0.58 to 1.11) | 1.02 (0.72 to 1.44) | 0.83 (0.58 to 1.19) | 0.89 (0.62 to 1.27) | |
| Socioeconomic level | |||||||
| Low–medium (N=7868) | 1548 | (19.7) | 0.002 | (ref) | (ref) | (ref) | |
| High (N=1126) | 266 | (23.6) | 1.26 (0.99 to 1.61) | 1.51 (1.24 to 1.84) | 1.56 (1.25 to 1.94) | ||
| Religiosity | |||||||
| Low (N=4965) | 1172 | (23.6) | <0.001 | (ref) | (ref) | (ref) | |
| High (N=4029) | 642 | (15.9) | 0.61 (0.55 to 0.69) | 0.58 (0.53 to 0.64) | 0.59 (0.54 to 0.64) | ||
| School funding | |||||||
| Public (N=4788) | 1001 | (20.9) | 0.063 | (ref) | (ref) | ||
| Private (N=4206) | 813 | (19.3) | 0.91 (0.70 to 1.17) | 1.04 (0.78 to 1.39) | |||
| School type | |||||||
| Single-sex (N=1631) | 270 | (16.6) | <0.001 | (ref) | (ref) | ||
| Coeducational (N=7363) | 1544 | (21.0) | 1.34 (0.90 to 2.00) | 1.37 (0.94 to 2.00) | |||
*p Value of χ2 Test.
†ORs (and 95% CI) adjusted for the variables indicated in each model. Model 1: Safe-sex belief, sex, age and country. Model 2: Safe-sex belief, sex, age, country, socioeconomic level and religiosity. Model 3: Safe-sex belief, sex, age, country, socioeconomic level, religiosity, school funding and school type.
‡YES, respondents who believe that, if one has sex using condoms, the probability of being infected with HIV is nil. NO, the rest of respondents.
§OR per every unit of change in age (years).
NA, not applicable; ref, reference.