Table 1

Characteristics of mothers tested for HIV in 2005, 2010 and 2015

	2005		2010		2015		Total
	n (weighted)	Per cent	n (weighted)	Per cent	n (weighted)	Per cent	n (weighted)	Per cent
Overall	3659		4443		3908		12 010
Mother’s HIV test results
HIV negative	3517	96.1	4283	96.4	3759	96.2	11 560	96.3
HIV positive	141	3.9	160	3.6	148	3.8	450	3.7
Current marital status
Not in union	516	14.1	592	13.3	654	16.7	1762	14.7
In union	3143	85.9	3851	86.7	3254	83.3	10 248	85.3
Highest educational level
No education	1086	29.7	938	21.1	672	17.2	2696	22.5
Primary	2279	62.3	3127	70.4	2837	72.6	8242	68.6
Secondary/higher	294	8.0	378	8.5	399	10.2	1071	8.9
Mother age at birth
Below 24 years	1116	30.5	1388	31.2	1201	30.7	3705	30.8
25–34 years	1706	46.6	2144	48.3	2013	51.5	5863	48.8
35+ years	836	22.9	911	20.5	695	17.8	2442	20.3
Source of drinking water
Not improved	725	19.9	1193	27.2	1200	31.2	3119	26.2
Improved	2913	80.1	3199	72.8	2652	68.8	8764	73.8
No of household members
1–2 members	69	1.9	95	2.1	91	2.3	255	2.1
3–5 members	1641	44.9	2157	48.5	2231	57.1	6028	50.2
5+ members	1949	53.3	2191	49.3	1586	40.6	5726	47.7
Child is twin
No	3544	96.9	4307	96.9	3796	97.1	11 647	97.0
Yes	115	3.1	136	3.1	112	2.9	363	3.0
Type of place of residence
Urban	509	13.9	522	11.8	625	16.0	1657	13.8
Rural	3150	86.1	3921	88.2	3283	84.0	10 353	86.2
Wealth index
Poor/poorer	1574	43.0	1871	42.1	1767	45.2	5211	43.4
Middle	708	19.3	912	20.5	811	20.8	2431	20.2
Rich/richer	1377	37.6	1660	37.4	1330	34.0	4367	36.4
Contraceptive use
Modern	434	11.9	2124	47.8	1828	46.8	4386	36.5
Non-modern	3225	88.1	2319	52.2	2079	53.2	7623	63.5
Mothers occupation
Not working	810	22.2	356	8.0	211	5.4	1376	11.5
Skilled work	227	6.2	407	9.2	534	13.7	1169	9.7
Unskilled work	2612	71.6	3674	82.8	3163	80.9	9448	80.9
Available of bed net at household
No	3021	82.6	1059	23.8	1084	27.7	5163	43.0
Yes	638	17.4	3384	76.2	2824	72.3	6846	57.0
Preceding birth interval
9–24 months	879	24.1	972	22.0	542	14.0	2393	20.0
25–36 months	1133	31.0	1330	30.1	888	22.9	3351	28.0
37–48 months	553	15.1	638	14.4	548	14.1	1739	14.5
49+ months	457	12.5	501	11.3	772	19.9	1731	14.5
First born	628	17.2	983	22.2	1133	29.2	2745	23.0