Table 1 Socio-demographic characteristics of the survey population

Area of residence

  Urban

153

33.0

45

26.5

108

36.4

  Rural

276

59.6

102

61.4

174

58.6

  Estate

34

7.4

19

11.5

15

5.0

Age group (yrs)

  18-29

61

13.2

27

16.3

34

12.7

  30-39

84

18.1

23

13.8

61

22.8

  40-49

117

25.3

38

22.9

79

29.6

  50-59

106

22. 9

40

20.1

66

24.7

  >60

95

20.5

38

22.9

57

21.4

Ethnicity

  Sinhala

360

77.7

118

71.0

242

82.5

  Muslim

27

5.8

8

4.8

19

6.4

  Sri Lankan Tamil

42

9.1

20

12.1

22

7.4

  Indian Tamil

34

7.3

20

12.1

14

4.7

Educational level

  No schooling

27

58.3

11

6.6

16

5.4

  Up to 5 years

113

24.4

43

25.9

70

23.6

  Up to O/L

182

39.3

59

35.5

123

41.4

  Up to A/L

116

25.1

46

27.7

70

23.6

  Graduate

25

5.4

07

4.2

18

6.1

BMI category

  ≤ 18.5 kg.m^-2

64

13.8

29

17.5

35

11.8

  > 18.5 - ≤ 22.9 kg.m^-2

163

35.2

75

45.2

88

29.6

  > 23 - ≤ 24.99 kg.m^-2

76

16.4

21

12.6

55

18.5

  > 25 - ≤ 27.5 kg.m^-2

95

20.5

32

19.3

63

21.1

  ≥ 27.5 kg.m^-2

65

14.1

09

5.4

56

18.9