Table 3.

Multivariate Logistic Regression Analyses of Unprotected Sex at Last Intercourse Among HIV-Negative and HIV-Positive Individuals in Uganda, 2011

	HIV-Negative (N=14,350)		HIV- Positive (N=1,118)
Characteristic	β (SE)	p-value	β (SE)	p-value
Intoxication at last sexual intercourse
Yes	0.19 (0.09)	p < 0.047	0.38 (0.17)	p < 0.001
No (Ref.)
Sex
Male	−0.30 (0.06)	p < 0.001		- a
Female (Ref.)
Age (average, in years)	0.04 (0.004)	p < 0.001	−0.03 (0.01)	p < 0.001
Marital status
Unmarried	−1.19 (0.09)	p < 0.001	−0.73 (0.20)	p < 0.001
Married/cohabitating (Ref.)
Education
Primary/no education	0.48 (0.07)	p < 0.001	0.35 (0.17)	p < 0.040
Secondary or higher (Ref.)
Residence
Rural	0.26 (0.07)	p < 0.002		- a
Urban (Ref.)
Wealth index
Middle vs. rich/richest (Ref.)	0.42 (0.09)	p < 0.001	0.46 (0.21)	p < 0.033
Poor/poorest vs. rich/richest(Ref.)	0.49 (0.08)	p < 0.001	0.51 (0.18)	p < 0.007
Age at first sexual intercourse
< 15 years	0.20 (0.09)	p < 0.037		- a
≥ 15 years
Knows condoms prevent HIV
No	0.27 (0.10)	p < 0.018		- a
Yes (Ref.)
Sex with non-spousal, non-cohabitating partner(s) (prior year)
Yes	−1.17 (0.09)	p < 0.001	−0.71 (0.19)	p < 0.001
No (Ref.)
Relationship to last sexual partner
Casual	−0.28 (0.13)	p < 0.042	−0.62 (0.24)	p < 0.061
Steady (Ref.)
Intoxication*Knows Condoms Prevent HIV	0.79 (0.37)	p < 0.036	-	-

Note: β = beta coefficient; SE = standard error.

^aSex, residence, age at first sexual intercourse and knowledge that condoms prevent HIV were removed from the final model as nonconfounders.