Table 1 Socio-demographic characteristics of adults South Africans from Cape Town and Mount Frere communities in 2008-2009

Gender

0.011

 Female

71.4

76.8

74.0

 Male

28.6

23.2

26.0

Age

0.375

 35-44

30.1

31.5

30.8

 45-54

35.0

31.1

33.1

 55-64

26.0

27.6

26.8

 65 and above

8.9

9.8

9.3

BMI (kg/m²)

<0.001

  < 18.5

3.7

2.8

3.2

 18.5-24.9

21.1

28.2

25.3

 25.0-29.9

18.2

27.3

23.6

  > 30.0

57.0

41.7

47.9

Education level

<0.001

 Primary

23.8

49.9

36.7

 Secondary

69.1

47.3

58.3

 Tertiary

7.1

2.8

5.0

Marital status

<0.001

 Single

51.2

30.8

41.1

 Currently married

33.6

44.7

39.1

 Widowed/divorced/separated

15.2

24.4

19.7

Occupation

<0.001

 Skilled

22.2

14.6

18.5

 Less skilled

77.8

85.4

81.5

Ethnicity

0.693

 African

98.7

98.9

98.8

 Coloured

1.3

1.1

1.2

<0.001

 Low

20.9

31.0

25.9

 Moderate

61.2

51.5

56.4

 Vigorous

17.9

17.5

17.7