Table 1

Selected characteristics of the sample, and the association with BMIb)

Variable

Value

Total (N)

%

Under-weight (%)

Normal weight (%)

Over-weight (%)

Obese (%)

P


Gender

Male

21181

48.65

1.11

47.70

41,7

9.49

0.000

Female

22083

50.72

2.55

56.86

28.97

11.61

Age

20–29

6027

14.27

4.05

70.42

20.97

4.56

0.000

30–39

8649

20.47

1.72

56.89

32.18

9.21

40–49

8526

20.18

1.15

53.00

35.16

10.68

50–59

7908

18.72

0.81

43.56

41.79

13.66

60–69

5590

13.23

0.91

39.84

44.35

10.82

70+

5274

12.48

2.01

43.08

42.78

12.53

Education

Preschool only

6938

15.93

1.90

40.83

40.28

16.98

High school lower level

6851

15.74

1.72

46.08

38.50

13.69

0.000

High school medium level

3347

7.69

2.38

55.46

32.38

9.78

High school high level

15799

36.29

2.00

54.59

34.29

9.12

University/college

9668

22.21

1.46

60.36

31.71

6.46

Ethnicity

Dutch

37481

86.66

1.79

52.29

35.47

10.45

0.000

Foreign/western

3392

7.84

2.09

54.57

33.37

9.96

Foreign/non-western

2390

5.52

2.47

50.59

33.64

13.31

Year of survey

2001

6861

15.86

1.81

53.29

35.48

9.63

0.009

2002

6942

16.05

2.03

53.13

35.00

9.84

2003

6896

15.94

1.97

51.60

35.77

10.66

2004

7897

18.25

1.77

51.64

35.49

11.09

2005

7559

17.47

1.79

53.18

34.13

10.09

2006

7109

16.43

1.74

51.48

35.39

11.38


a) All associations were examined with χ2 analyses

b) BMI Categories: Underweight (14–18.5 kg/m2), Normal weight (18.5–25 kg/m2), Overweight (25–30 kg/m2), Obesity (30–60 kg/m2).

de Wit et al. BMC Public Health 2009 9:14   doi:10.1186/1471-2458-9-14

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