Table 4

Logistic regression for the prediction of four HIV-related knowledge domains

Variable	Knowledge of mother-to-child transmission				Knowledge of risk reduction				General knowledge of HIV				Understanding of routes of transmission
	AOR	95% CI		P value	AOR	95% CI		P value	AOR	95% CI		P value	AOR	95% CI		P value
		Lower	Upper			Lower	Upper			Lower	Upper			Lower	Upper
Ethnicity
(Yoruba)†
Other	0.96	0.89	1.02	0.196	0.97	0.88	1.06	0.514	0.82	0.77	0.88	0.000	1.04	0.98	1.11	0.234
Fulani	1.13	1.01	1.26	0.028	1.53	1.34	1.73	0.000	1.15	1.03	1.29	0.016	0.73	0.66	0.82	0.000
Hausa	0.91	0.84	0.99	0.024	1.32	1.19	1.46	0.000	1.44	1.33	1.57	0.000	0.44	0.41	0.48	0.000
Ibibio	0.92	0.79	1.06	0.232	1.17	0.98	1.41	0.084	0.66	0.57	0.77	0.000	1.43	1.25	1.64	0.000
Igbo	0.96	0.88	1.04	0.332	1.41	1.26	1.57	0.000	2.22	2.04	2.41	0.000	0.76	0.70	0.82	0.000
Ijaw	0.54	0.47	0.61	0.000	0.87	0.75	1.03	0.098	0.62	0.55	0.71	0.000	0.98	0.88	1.09	0.674
Religion
(Traditionalism)†
Other or none	0.79	0.56	1.12	0.187	0.70	0.47	1.03	0.067	0.70	0.49	1.00	0.048	0.81	0.58	1.14	0.226
Catholicism	0.73	0.59	0.91	0.004	0.36	0.28	0.45	0.000	0.62	0.49	0.77	0.000	0.84	0.68	1.05	0.128
Other Christian	0.70	0.57	0.86	0.001	0.47	0.38	0.59	0.000	0.61	0.49	0.75	0.000	0.78	0.63	0.96	0.020
Islam	1.04	0.85	1.29	0.692	0.77	0.61	0.96	0.021	0.79	0.63	0.98	0.033	0.74	0.59	0.91	0.005
Region of residence
(Rural)†
Urban	0.92	0.88	0.97	0.001	0.80	0.75	0.85	0.000	0.81	0.77	0.85	0.000	0.93	0.89	0.98	0.003
National wealth quintile
(Lower 20th)†
20th–40th	0.77	0.69	0.86	0.000	0.67	0.58	0.77	0.000	0.73	0.65	0.82	0.000	0.80	0.72	0.90	0.000
40th–60th	0.70	0.63	0.79	0.000	0.45	0.38	0.52	0.000	0.67	0.59	0.75	0.000	0.83	0.74	0.93	0.002
60th–80th	0.73	0.65	0.82	0.000	0.36	0.30	0.42	0.000	0.57	0.50	0.64	0.000	0.70	0.62	0.79	0.000
Upper 20th	0.75	0.66	0.85	0.000	0.35	0.29	0.42	0.000	0.40	0.35	0.46	0.000	0.46	0.41	0.52	0.000
Relationship status
(Never in union)†
Currently in union or cohabiting	0.74	0.70	0.79	0.000	0.80	0.74	0.86	0.000	0.85	0.80	0.90	0.000	0.99	0.94	1.05	0.749
Formerly in union or cohabiting	0.81	0.72	0.91	0.000	0.67	0.58	0.76	0.000	0.83	0.74	0.92	0.001	1.02	0.92	1.13	0.707
Employment status
(Employed)†
Unemployed	1.22	1.17	1.28	0.000	1.17	1.11	1.23	0.000	1.48	1.41	1.55	0.000	0.90	0.86	0.94	0.000
Sex
(Male)†
Female	0.23	0.17	0.31	0.000	1.58	1.14	2.18	0.006	1.67	1.23	2.25	0.001	0.36	0.26	0.51	0.000
State-level wealth inequality ratio
(>2.19)†
<1.5	0.31	0.24	0.40	0.000	0.72	0.53	0.98	0.034	1.08	0.84	1.38	0.569	3.20	2.49	4.12	0.000
1.5–1.79	0.31	0.25	0.40	0.000	0.64	0.49	0.83	0.001	0.99	0.78	1.25	0.906	3.01	2.37	3.82	0.000
1.80–2.19	0.39	0.31	0.50	0.000	0.46	0.35	0.60	0.000	1.12	0.89	1.41	0.337	2.63	2.07	3.33	0.000
Age group
(35-49)†
15–24	1.08	0.99	1.19	0.101	1.37	1.20	1.55	0.000	1.45	1.31	1.59	0.000	1.46	1.34	1.60	0.000
25–34	1.02	0.94	1.11	0.608	0.83	0.72	0.94	0.005	0.98	0.90	1.07	0.685	1.07	0.99	1.16	0.106
Literacy level
(Literate)†
Illiterate, low literacy or visually impaired	1.37	1.30	1.44	0.000	1.95	1.84	2.08	0.000	1.90	1.80	2.00	0.000	1.49	1.42	1.57	0.000
Age*sex
(35–49*male)†
15–24*female	1.17	1.06	1.29	0.001	0.81	0.71	0.92	0.001	0.80	0.72	0.88	0.000	0.86	0.78	0.94	0.001
25–34*female	0.91	0.82	1.00	0.060	0.98	0.84	1.13	0.745	0.86	0.77	0.95	0.004	0.98	0.89	1.08	0.697
Sex*wealth quintile
(Malelower 20th)
Female*20th–40th	0.91	0.80	1.05	0.194	1.05	0.90	1.22	0.549	0.81	0.70	0.93	0.003	1.14	0.99	1.30	0.061
Female*40th–60th	0.74	0.65	0.85	0.000	1.25	1.06	1.48	0.009	0.67	0.58	0.77	0.000	1.05	0.92	1.20	0.465
Female*60th–80th	0.60	0.52	0.68	0.000	1.29	1.08	1.54	0.006	0.66	0.57	0.76	0.000	0.98	0.86	1.12	0.797
Female*upper 20th	0.51	0.45	0.59	0.000	1.03	0.85	1.25	0.753	0.64	0.55	0.74	0.000	1.20	1.05	1.37	0.008
Sex*wealth inequality ratio category
(Male*>2.19)†
Female*<1.5	6.30	4.63	8.57	0.000	1.35	0.95	1.93	0.095	1.43	1.05	1.93	0.022	2.44	1.74	3.43	0.000
Female*1.5–1.79	5.15	3.84	6.90	0.000	1.89	1.38	2.59	0.000	1.52	1.14	2.03	0.004	2.50	1.80	3.47	0.000
Female*1.80–2.19	5.02	3.75	6.72	0.000	2.16	1.58	2.95	0.000	1.21	0.91	1.61	0.198	2.44	1.76	3.38	0.000

Variables adjusted for ethnicity, religion, region of residence, national wealth quintile, relationship status, employment status, sex, state-level wealth inequality ratio, age group, literacy level, age*sex, sex*wealth quintile, sex*wealth inequality ratio.
†Reference category.
AOR, adjusted OR.