Table 2. ARV adjusted estimates of unawareness by socio demographic and behavioral characteristics among HIV-positive participants aged 15–64 years, EPHIA 2017/2018.

Characteristics	HIV-Positive (N)	Unaware		95% CI*	P-value
		n	%
Region
Tigray	38	4	11	[3.9–25.3]	0.138
Afar	32	8	25	[12.8–42.9]
Amhara	118	15	15	[8.8–23.8]
Oromia	148	29	24	[17.0–32.8]
Somali	8	-	0	-
Benishangul Gumuz	20	1	5.8	[0.8–31.7]
SNNPR	49	13	27	[15.9–41.1]
Gambella	44	14	33	[20.7–49.1]
Harari	32	9	27	[14.3–44.5]
Addis Ababa	86	21	25	[16.8–36.0]
Dire Dawa	34	5	16	[6.8–33.7]
Sex
Female	456	78	17	[13.1–21.0]	0.003
Male	153	41	30	[21.9–39.4]
Age group
15–24 years	62	23	37	[24.2–51.9]	0.135
25–34 years	172	31	20	[13.3–29.2]
35–44 years	233	43	21	[14.9–28.1]
45–54 years	104	17	18	[10.9–27.6]
55–64 years	38	5	15	[6.0–30.8]
Marital status
Never married	71	18	24	[14.2–37.0]	0.461
Married or living together	285	57	23	[17.4–29.9]
Divorced or separated	140	26	20	[12.8–28.9]
Widowed	111	17	15	[8.9–24.5]
Education level
No education	120	19	14	[8.0–22.8]	0.165
Primary	288	58	24	[18.1–30.5]
Secondary or higher	198	41	21	[14.8–28.4]
Religion
Muslim	82	16	20	[10.7–34.2]	0.911
Christian	522	99	21	[16.7–25.2]
Wealth quintile
Lowest	102	20	26	[15.6–38.8]	0.286
Second	107	17	13	[7.0–23.5]
Middle	142	23	18	[11.5–26.7]
Fourth	145	33	25	[17.2–33.6]
Highest	113	26	24	[15.9–34.0]
Gender of household head
Female headed	396	67	16	[12.5–21.1]	0.005
Male headed	213	52	28	[21.3–36.2]
Condom use at last sex in past 12 months
Used condom	83	8	8.7	[4.0–17.8]	0.001
Did not use condom	201	51	30	[22.7–38.6]
No sex in the past 12 month	238	39	18	[12.6–24.6]
Age at first sexual encounter
First sex 15 + years	532	105	22	[18.0–26.8]	0.047
First sex before 15	69	11	11	[5.5–21.5]
Ever been tested for HIV
Never tested	51	44	84	[69.4–92.4]	0.0001
Ever tested	556	73	14	[10.9–18.2]
ARV detected in their blood
No	150	119	79.3	[71.2–85.6]	0.0001
Yes	459	0	0
Total	609	119	21	[17.3–25.3]

* Confidence interval.