Table A1.

Demographic characteristics of surveyed children [13].

		Mean	Min	Max
Child age		12.92	10	16
Child school grade		7.14	5	10
Child gender	Female	0.48	0	1
	Male	0.52	0	1
HH ethnicity	Igbo	0.80	0	1
	Other	0.20	0	1
HH religion	Christian	0.58	0	1
	Muslim	0.42	0	1
HH size		6.29	3	15