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Table 2 The distribution (%) of the different variables by sex and assessment period (longitudinal samples of the Swedish population from 1980/81, 1988/89, 1996/97 and 2004/05, complete with new individuals aged 16–23 years)

From: Longitudinal age-and cohort trends in body mass index in Sweden – a 24-year follow-up study

Variable Men Women
  1980/81 1988/89 1996/97 2004/05 1980/81 1988/89 1996/97 2004/05
n 2728 2688 2570 2177 2770 2666 2634 2211
Age group         
      16-23 16.3 16.3 12.8 12.7 16.2 16.0 12.0 13.1
      24-31 17.6 15.5 16.5 13.1 15.9 15.8 16.5 13.0
      32-39 19.6 16.1 16.5 16.6 17.0 15.8 16.6 16.2
      40-47 13.2 18.1 16.1 15.2 12.3 16.8 16.1 16.1
      48-55 10.6 12.4 17.9 14.5 12.9 11.1 16.5 15.3
      56-63 12.4 9.5 11.3 17.1 13.0 12.2 11.0 15.4
      64-71 10.3 12.1 8.9 10.8 12.7 12.3 11.3 10.9
Education         
      Low 42.8 32.9 25.5 20.8 48.7 34.6 25.5 19.2
      Middle 26.4 31.3 30.9 26.8 31.1 36.0 33.6 26.8
      High 30.8 35.8 43.6 52.4 20.2 29.4 40.9 54.0
Urbanization 1         
      1 30.8 31.0 31.2 34.3 30.5 30.0 31.4 33.5
      2 31.5 33.8 36.5 36.0 32.6 34.7 37.4 36.1
      3 37.7 35.2 32.3 29.7 36.9 35.3 31.2 30.4
Physical activity         
      Almost none 50.3 46.4 42.7 39.2 55.0 50.9 44.1 38.1
      Once a week 17.6 18.3 18.6 15.6 20.0 19.7 20.7 13.9
      >Once a week 32.1 35.3 38.7 45.2 25.0 29.4 35.2 48.1
Smoking         
      Non-smokers 38.6 43.4 47.8 52.4 52.4 51.6 51.1 51.9
      Former 27.3 29.8 33.9 34.1 16.5 19.7 24.7 20.4
      Current 34.1 26.8 18.3 13.6 31.1 28.7 24.2 18.7
Chronic disease         
      No 72.5 71.1 70.4 67.0 68.1 66.6 63.6 60.5
      Yes 27.5 28.9 29.6 33.0 31.9 33.4 36.4 39.5
  1. 1Residence in: (1) the three largest cities in Sweden; (2) medium-sized towns (population >90,000); and (3) small towns (population 27,000–90,000) and rural areas.