Table 4.

Multivariable log-binomial regression model predicting unplanned pregnancy among HIV-positive and HIV-negative women

Variables	Univariate analysis			Multivariate analysis
	OR	95% CI	P values	aOR	95% CI	P values
HIV status and ART use
HIV negative
Newly diagnosed	1.35	1.03 to 1.78	0.028	1.43	1.05 to 1.94	0.020
Known HIV+—no ART	1.43	1.08 to 1.92	0.013	1.57	1.13 to 2.15	0.006
Known HIV+—on ART	1.03	0.80 to 1.34	0.766	1.10	0.82 to 1.47	0.513
Age category
35–44
25–34	1.14	0.88 to 1.49	0.309	1.29	0.95 to 1.75	0.099
18–24	1.64	1.20 to 2.26	0.002	1.83	1.23 to 2.74	0.003
Parity	1.07	0.97 to 1.17	0.136	1.42	1.25 to 1.60	0.000
Married/cohabiting
No
Yes	0.23	0.19 to 0.29	0.000	0.19	0.15 to 0.24	0.000
Used contraceptive in the past 12 months
No
Yes	0.73	0.59 to 0.91	0.005	1.94	1.55 to 2.43	0.000
Socioeconomic status
Low
Low-middle	0.86	0.65 to 1.15	0.329	0.79	0.58 to 1.08	0.151
Middle-high	0.95	0.73 to 1.26	0.755	0.74	0.54 to 1.00	0.054
High	1.08	0.82 to 1.44	0.561	0.84	0.61 to 1.16	0.301
Finished high school
No
Yes	0.92	0.74 to 1.15	0.499	–	–	–
Employed
No
Yes	1.00	0.81 to 1.22	0.994	–	–	–
Housing
Informal
Formal	1.42	1.17 to 1.73	0.000	–	–	–
Gravidity	1.06	0.97 to 1.16	0.201	–	–	–

aOR, adjusted OR; ART, antiretroviral therapy.