Table 2.

Demographic characteristics of members participating in personal interviews

	Gender (%)
Age (years)	na	Male	Female
6–7	11	8 (72.7)	3 (27.3)
7–8	7	4 (57.1)	3 (42.9)
8–9	12	6 (50.0)	6 (50.0)
9–10	13	9 (69.2)	4 (30.8)
10–11	7	5 (71.4)	2 (28.6)
11–12	10	8 (80.0)	2 (20.0)
Total	60	40 (66.7)	20 (33.3)

^aFrequency in each group; the study comprised 120 children (60 pairs)