Table 3.

Factors associated with STDs/HIV knowledge and condom knowledge in urban high school ‘Focus-on-Teens’ participants

Variables	Number of correct questions answered (95% CI)*	P value
STDs/HIV knowledge (out of 16 questions)
Intercept	10.05 (8.42, 11.69)	<0.0001
Age (years)	0.16 (0.05, 0.27)	0.0058
Gender (female versus male)	0.55 (0.30, 0.80)	<0.0001
Sexually active (yes versus no)	0.43 (0.23, 0.64)	<0.0001
Sexually active (unknown versus no)	–1.61 (–2.23, –0.99)	<0.0001
Survey (survey 4 versus 3 versus 2 versus 1)	0.43 (0.35, 0.51)	<0.0001
Condom knowledge (out of 4 questions)
Intercept	2.39 (1.86, 2.93)	<0.0001
Age (years)	0.04 (0, 0.08)	0.0334
Gender (female versus male)	0.15 (0.07, 0.23)	0.0005
Sexually active (yes versus no)	0.08 (0.02, 0.15)	0.0001
Sexually active (unknown versus no)	–0.42 (–0.63, –0.20)	0.0131
Survey (survey 4 versus 3 versus 2 versus 1)	0.15 (0.12, 0.18)	<0.0001

^*Generalized estimating equations

CI = confidence interval