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Table 1 Distribution of Socio-economic index (SEI) among adults (15–65 years) by selected background characteristics

From: Socio-economic inequality and HIV in South Africa

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

  1. ***Significant at 0.1%.