Table 1. Sample size by population group and attrition between waves, Cape Area Panel Study Waves 1-4.

Population group	Wave 1	Unweighted percent	Weighted percent	Interviewed in Wave 3	Interviewed in Wave 3 or Wave 4	Attrition
Full sample aged 14-22 in 2002
Black/African	2,151	45.3	28.2	1,515	1,724	19.9%
Coloured	2,005	42.2	53.2	1,679	1,801	10.2%
White	595	12.5	18.6	337	391	34.3%
Total	4,751	100	100	3,531	3,916	17.6%
Sample aged 14-16 in 2002
Black/African	664	41.7	26.3	515	570	14.2%
Coloured	715	44.9	54.8	633	672	6.0%
White	212	13.3	19.0	157	171	19.3%
Total	1,591	100	100	1,305	1,413	11.2%