Table 1

Distribution of Socio-economic index (SEI) among adults (15–65 years) by selected background characteristics
Characteristic Socio-economic index (SEI) groups
Poor(low) Middle Upper
% [95% CI] % [95% CI] % [95% CI]
Sex***
Male 42.3[40.2,44.4] 45.5[43.3,47.8] 45.1[41.6,48.6]
Female 57.7[55.6,59.8] 54.5[52.2,56.7] 54.9[51.4,58.4]
N = 4308 N = 5067 N = 2892
Age (years)***
15-24 37.1[35.6,38.6] 31.3[29.9,32.8] 25.1[23.2,27.2]
25-49 48.8[46.9,50.8} 55.8[53.7,57.8] 54.2[51.2,57.2]
50+ 14.1[12.9,15.4] 12.9[11.614.3] 20.6[18.4,23.0]
N = 4308 N = 5067 N = 2892
Race***
African 96.2[95.2,97.0] 78.3[75.0,81.3] 35.7[30.0,41.8]
White 0.5[0.3,1.0] 8.0[6.4,9.8] 35.8[30.8,41.1]
Coloured 3.2[2.5,4.1] 11.5[9.7,13.7] 17.9[15.0,21.3]
Indian 0.1[0.0,0.1] 2.2[1.3,3.6] 10.6[8.5,13.0]
N = 4300 N = 5060 N = 2881
Province***
Western Cape 4.3[3.2,5.8] 13.8[11.4,16.6] 22.4[19.2,26.0]
Eastern Cape 18.8[15.5,22.6] 8.4[6.4,11.0] 9.6[6.8,13.3]
Northern Cape 1.4[1.1,1.8] 2.4[1.9,2.9] 2.8[2.1,3.7]
Free State 4.9[3.9,6.2] 8.2[6.3,10.8] 3.7[2.6,5.4]
KwaZulu-Natal 23.0[18.9,27.6] 18.1[14.6,22.3] 17.9[14.5,22.0]
North West 10.6[8.5,13.1] 7.8[6.2,9.6] 3.8[2.6,5.5]
Gauteng 9.0[6.9,11.7] 28.7[23.3,34.8] 35.3[30.0,41.0]
Mpumalanga 9.3[7.4,11.5] 6.7[5.0,9.0] 2.9[1.8,4.5]
Limpopo 18.8[15.9,22.0] 5.9[4.4,7.8] 1.8[1.1,2.7]
N = 4308 N = 5067 N = 2892
Geographical location***
Urban formal 16.6[13.5,20.4] 72.9[68.4,77.1] 92.4[88.8,94.9]
Urban informal 16.0[12.9,19.8] 7.8[5.6,10.8] 7.8[0.3,1.4]
Rural informal 57.5[52.5,62.4] 14.6[11.7,18.2] 1.9[0.7,5.0]
Rural formal 9.8[7.6,12.5] 4.6[3.3,6.3] 5.1[3.2,8.0]
N = 4308.0 N = 5067.0 N = 2892.0
Education***
No schooling 8.0[6.9,9.2] 2.3[1.8,3.1] 0.9[0.5,1.7]
Less than matric 75.5[73.5,77.4] 56.0[53.5,58.5] 31.0[27.7,34.5]
Matric 13.7[12.2,15.3] 30.5[28.3,32.8] 41.1[38.1,44.1]
Above Matric 2.8[2.1,3.8] 11.1[9.5,13.0] 27.1[24.0,30.4]
N = 4084 N = 4882 N = 2792
Gross income before tax per annum***
No Income 35.8[31.6,40.2] 18.0[15.1,21.2] 12.6[10.1,15.5]
< 6000 23.7[20.4,27.2] 14.0[11.8,16.5] 5.2[3.8,7.1]
6000-24000 27.4[24.3,30.9] 25.5[22.7,28.6] 16.4[13.2,20.1]
24000-96000 11.4[9.3,13.9] 29.7[26.7,33.0] 30.9[26.9,35.2]
>96000 1.7[1.0,3.1] 12.8[10.6,15.3] 34.9[30.9,39.2]
N = 1518 N = 2551 N = 1781

***Significant at 0.1%.

Wabiri and Taffa

Wabiri and Taffa BMC Public Health 2013 13:1037   doi:10.1186/1471-2458-13-1037

Open Data