Table 5. Number of children of subjects in three groups studied.

Number of children	Group A		Group B		Group C
	No.	%	No.	%	No.	%
Nil	14	13.4	4	4.0	0	0.0
1–2	37	35.5	73	73.0	54	54.0
3–4	45	43.2	20	20.0	40	40.0
5 and above	8	7.6	3	3.0	6	6.0
Total	104	100.0	100	100.0	100	100.0
Median ±SE	3±0.1		2±0.1		2±0.1