Table 3. Multivariate analysis predicting the practice of oral sex.

Variable	Subgroups	AOR (95% CI)a	P-value
Income	<2000b	1
	≥2000	2.53(1.39–4.59)	0.002
Knowledge scale	Lower (0–1)b	1
	Intermediate-high (2–4)	2.71(1.26–5.81)	0.011
Age of first sex	≥20b	1
	<20	2.42(1.37–4.27)	0.002
Number of lifetime	<3b	1
sex partners	≥3	3.09 (1.58–6.06)	0.001
Sexually active in last	Nob	1
6 months	Yes	7.73(1.04–57.39)	0.046

^aAOR: adjusted odds ratio; CI: confidence interval.

^bReference category.