Table 1.

Descriptive characteristics of respondents, by gender

	Male	Female	Total
	N = 2,037	N = 1,991	N = 4,028
Sociodemographics
Mean age in years (standard deviation)	16.6	16.8	16.7
	(3.01)	(2.99)	(3.00)
Study site (%)
Korogocho	49.0	48.5	48.8
Viwandani	51.0	51.5	51.2
Religion (%)
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
% Ever had sex	31.9	35.5	33.7
% Ever tested for HIV	19.3	34.8	27.0
Perceived chances of getting HIV
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
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 (%)
Agree	85.8	82.5	84.2
Disagree	11.1	13.1	12.1
Don't know	3.1	4.4	3.7