| Male | Female | Total |
---|---|---|---|
 | N = 2,037 | N = 1,991 | N = 4,028 |
Sociodemographics | Â | Â | Â |
Mean age in years (standard deviation) | 16.6 | 16.8 | 16.7 |
 | (3.01) | (2.99) | (3.00) |
Study site (%) | Â | Â | Â |
   Korogocho | 49.0 | 48.5 | 48.8 |
   Viwandani | 51.0 | 51.5 | 51.2 |
Religion (%) | Â | Â | Â |
   Catholics | 27.5 | 27.7 | 27.6 |
   Protestants | 21.9 | 22.7 | 22.3 |
   Pentecostal or other Christians | 22.4 | 28.0 | 25.2 |
   Muslims | 12.4 | 11.2 | 11.8 |
   Other | 15.8 | 10.5 | 13.2 |
% In school | 60.7 | 52.9 | 52.9 |
% Ever married | 3.9 | 18.4 | 11.1 |
% Ever pregnant/made someone pregnant | 4.4 | 21.7 | 13.0 |
Behavioral characteristics and HIV-related variables | Â | Â | Â |
% Ever had sex | 31.9 | 35.5 | 33.7 |
% Ever tested for HIV | 19.3 | 34.8 | 27.0 |
Perceived chances of getting HIV | Â | Â | Â |
   High | 3.1 | 3.4 | 3.2 |
   About 50-50 | 36.0 | 36.1 | 36.1 |
   Low | 60.9 | 60.5 | 60.7 |
Anxiety about being infected with HIV | Â | Â | Â |
   Very worried | 34.1 | 34.2 | 34.2 |
   Somewhat worried | 15.3 | 15.4 | 15.4 |
   Not worried | 50.6 | 50.4 | 50.5 |
Mean HIV knowledge (standard deviation) | 10.0 | 10.0 | 10.0 |
 | (0.40) | (0.42) | (0.41) |
It is a good idea to use condoms to prevent HIV infection (%) | Â | Â | Â |
   Agree | 85.8 | 82.5 | 84.2 |
   Disagree | 11.1 | 13.1 | 12.1 |
   Don't know | 3.1 | 4.4 | 3.7 |