Table 1.

School variables (from teachers’ questionnaires), and numbers of participant pupils affected (N = 2505)

Variable	Schools	Pupils
	n	n	%
School locality
urban	13	1660	66.3
semi-rural	3	336	13.4
rural	8	509	20.3
Income category according to estimated proportion of pupils from low-income homes
< 0.25 (“high-income” school)	13	1828	73.0
0.25–0.5 (“middle-income” school)	3	168	6.7
0.5–0.75 (“low-income” school)	8	509	20.3