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Table 3 Demographic, social and lifestyle related factors according to physical activity in leisure time in Men (n = 5,660) and Women (n = 5,029) in the Danish National Health Interview Surveys From 1987, 1994, and 2000 (Percentages or Median Values)

From: Occupational heavy lifting and risk of ischemic heart disease and all-cause mortality

Characteristics Men Women
  Low (n=3,822) High (n=1,838) P Low (n=4,120) High (n=909) P
Subjects [n, (%)]       
Age [median, (SD)] 43.0 (12.0) 38.4 (11.5) <0.01 41.1 (11.5) 38.0 (11.3) <0.01
Educational level [%]       
  < 10 years 16.7 8.8 <0.01 13.1 18.2 <0.01
  10-12 years 36.0 31.8   26.7 32.8  
  13+ years 47.3 59.4   60.2 49.1  
Alcohol consumption [%]       
  <1 drinks/day 50.4 55.3 <0.01 70.3 71.7 0.51
  1-2 drinks/day 27.1 26.8   20.2 20.4  
  3-4 drinks/day 12.9 10.3   6.8 5.7  
  >4 drinks/day 9.6 7.6   2.8 2.2  
Smoking status [%]       
  Daily smoking 18.0 16.4 <0.01 19.2 18.2 <0.01
  Heavy smoking 27.0 19.8   19.9 11.9  
  Never-smoking 32.9 42.8   41.0 48.7  
  Ex-smoking 22.2 21.0   19.9 21.3  
BMI [%]       
  <25 kg/m2 46.9 57.8 <0.01 69.3 77.0 <0.01
  25-30 kg/m2 42.8 36.1   22.6 17.8  
  >30 kg/m2 10.4 6.1   8.1 5.2  
Hypertension [%]       
  Yes 8.2 5.4 <0.01 8.9 4.4 <0.01
  No 91.8 94.6   91.1 95.6  
Stress [%]       
  Often 9.0 8.0 0.20 11.4 9.4 0.08
  Sometimes /No 91.0 92.0   88.6 90.6  
  1. Abbreviations: BMI, body mass index; n, number of participants.