Table 2.

Demographic variables for participating children (type A classrooms)

		Schools in the south				Average schools		Schools in the north
	Grand total	Nizam	Enthu	Assegai	Dirkie Uys	South	North	Briardale	Ferndale	Ngazana
Age (years), mean (±SD)	10.5 (±0.9)	10.5 (±0.7)	10.9 (±1.9)	10.6 (±0.5)	10.3 (±0.6)	10.6	10.4	10.3 (±0.5)	10.5 (±0.6)	10.5 (±0.9)
Females, %	58.2	50.0	63.2	60.5	57.1	57.4	58.8	51.9	55.9	69.8
Race/ethnicity, %
Black	40.9	15.2	100.0	30.6	-	32.2	48.7	12.0	38.5	100.0
Coloured	22.4	-	-	66.7	-	21.0	23.7	-	61.5	-
Indian	25.6	84.8	-	2.8	-	23.4	27.5	88.0	-	-
White	11.1	-	-	-	100.0	23.5	-	-	-	-
Language, %										-
English	50.3	85.7	2.7	67.7	3.7	45.4	54.6	88.9	69.6	-
Zulu	35.0	14.3	81.1	32.4	-	29.0	40.3	11.1	26.1	88.9
Xhosa	3.4	-	16.2	-	-	3.0	3.8	-	2.9	8.9
Afrikaans	11.4	-	-	-	96.3	22.6	1.2	-	1.5	2.2
Caregiver education, %
≤Grade 11	38.4	40.0	46.7	40.6	40.0	41.4	35.6	39.5	30.2	38.5
Matric	44.0	35.0	33.3	31.3	60.0	39.4	48.3	51.2	49.1	44.2
Some tertiary	17.6	25.0	20.0	28.1	-	19.2	16.1	9.3	20.8	17.3
Annual household income, %
≤R10 000	17.9	18.9	34.5	19.1	-	17.4	18.4	14.3	26.2	12.8
R10 000 – R30 000	19.4	18.9	27.6	23.8	10.0	20.0	18.8	17.1	16.7	23.4
R30 001 – R75 000	21.8	29.7	13.8	14.3	10.0	17.3	26.0	22.9	23.8	31.9
≥R75 001	40.8	32.4	24.1	42.9	80.0	45.3	36.8	45.7	33.3	31.9
Body mass index, mean (±SD)	18.3 (±3.7)	16.7 (±4.5)	18.0 (±3.1)	19.2 (±3.3)	19.2 (±3.6)	18.3	18.5	18.1 (±3.8)	18.6 (±3.6)	18.7 (±3.0)