Table 5.

Results in multivariate logistic regression analysis for the factors associated with students’ knowledge of safe sex and STIs.

Variables	Knowledge of safe sex and STIs (n = 337)
	Crude Adjusted
	COR	95%CI		AOR	95%CI		P-value
		Lower	Upper		Lower	Upper
Knowledge of safe sex
Live with
With parent(s)				1
With other(s)	2.6	1.2	5.5	2.5	1.1	5.3	0.017*
Study topic about family planning
No	1			1
Yes	1.8	1.1	2.9	1.7	1.0	2.9	0.035*
Religion accepts use of birth control
No	1			1
Yes	1.8	1.1	2.9	1.7	1.0	2.9	0.025*
Knowledge of STIs
Grade
Grade 10	1			1
Grade 11	0.5	0.3	1.0	0.4	0.2	0.8	0.009*
Grade 12	0.3	0.2	0.7	0.3	0.1	0.6	0.002*
Study topic about family planning
No	1
Yes	2.2	1.3	3.6	1.8	1.0	3.1	0.033*
Study topic about STIs including HIV/AIDS
No	1			1
Yes	5.8	2.3	14.6	5.1	1.9	13.5	0.001*

*Statistically significant odds ratios (P < 0.05)