Table 4. Age at first live birth.

Age at first live birth	Group A		Group B		Group C
	No.	%	No.	%	No.	%
Nil	14	13.4	3	3.0	0	0.0
<20	36	34.6	13	13.0	34	34.0
20–24	32	30.8	78	78.0	62	62.0
25–29	13	12.5	6	6.0	4	4.0
30 and above	9	8.7	0	0.0	0	0.0
Total	104	100.0	100	100.0	100	100.0
Median ±SE	20±0.8		21±0.4		21±0.2