Table 1.

Sample characteristics

Subtype	Afrikaans	Northern Sotho	Tsonga	Venda	North Ndebele	Tswana	Bolobedu	Total
ADHD-HI
Boys
6–9 yr	6	5	1	2	1	3	5	23
10–13 yr	3	2	0	4	4	9	6	30
Girls
6–9 yr	1	2	3	4	1	1	1	13
10–13 yr	2	1	2	0	1	0	2	8
ADHD-PI
Boys
6–9 yr	4	1	5	10	6	3	4	33
10–13 yr	4	3	3	5	3	2	8	28
Girls
6–9 yr	1	4	3	1	1	1	2	13
10–13 yr	1	2	5	3	2	4	3	20
ADHD-C
Boys
6–9 yr	3	7	8	5	4	4	6	37
10–13 yr	4	6	7	6	4	6	5	38
Girls
6–9 yr	3	2	1	2	2	1	2	13
10–13 yr	0	4	1	0	0	2	1	8
Non-ADHD
Boys
6–9 yr	13	13	14	17	11	10	15	93
10–13 yr	13	11	10	15	11	17	19	96
Girls
6–9 yr	5	8	7	7	4	3	4	38
10–13 yr	3	7	8	3	3	6	7	37
Total	68	78	78	84	58	72	90	528