Table 4.

Socio-demographic characteristics and mean age at first sexual intercourse

Socio-demographic variables	No of t-test	Mean age at first sexual intercourse	SD (1)	Test Statistic	P-value
Age group*
13–15	265	11.8	1.0
16–19	143	13.5	4.2	4.42, df=167	0.000
Total	408
Sex*
Male	202	12.1	1.4
Female	206	14.5	2.9	3.16 df=402	0.001
Total	408
Family*
Polygamous	239	10.8	2.6
Monogamous	169	13.0	3.2	1.82	≤ 0.05
Total	408
Family setting*
Living with both parents	132	13.2	2.8
Living with one parent	253	11.7	5.2
Other arrangements	23	12.9	2.3	3.28 df = 402	0.000
Total	408
Mother's Education*
No Formal Education	71	11.2	2.6
Primary Education	46	12.1	2.3
Secondary Education	179	13.9	3.3
Tertiary Education	112	14.3	2.4	6.38 df = 402	0.000
Total	408
Father's Education*
No Formal Education	62	11.4	3.8
Primary Education	73	12.1	3.4
Secondary Education	165	12.5	2.8
Tertiary Education	108	14.2	2.7	3.01 df = 402	0.001
Total	408
Sharing room with adult opposite sex*
Yes	286	12.3	1.9
No	122	13.6	2.7	3.02 df = 402	0.001
Total	408

^*p≤ 0.05 significance