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Table 1 Characteristics of the study population in 1998, asthma defined as self-reported physician-diagnosed asthma ever (chronic bronchitis excluded). BMI (body mass index), Beck depression scale and health-promoting program participation presented also in 2003

From: Occupational health check-ups and health-promoting programs and asthma

  No asthma 1998 % Asthma 1998 % Total P-value
Gender
 Women 13,064 58 529 62 13,593  
 Men 9308 42 319 38 9627  
 All 22,372 100 848 100 23,220 0.021
Physical work load 1998
 Very light 7160 42 290 46 7450  
 Light 2445 14 90 14 2535  
 Moderate 6058 35 203 32 6261  
 Heavy 1543 9 54 9 1597 0.224
Occupational health check-up 1998
 None 8706 40 348 41 9054  
 In the last year 4976 22 190 23 5166  
 1–5 years ago 5462 25 206 25 5668  
 More than 5 years ago 3052 14 97 12 3149 0.274
Age group 1998
 20–24 6203 28 296 35 6499  
 30–34 5366 24 240 28 5606  
 40–44 5364 24 155 18 5519  
 50–54 5438 24 157 19 5595 < 0.001
Has your physician advised you to change your health behavior? 1998
 No 19,090 87 685 82 19,775  
 Yes 2982 14 153 18 3135 < 0.001
Have you participated in a health-promoting program? 1998
 None 20,844 94 776 93 21,620  
 In the last year 472 2 24 3 496  
 1–5 years ago 425 2 21 3 446  
 More than 5 years ago 353 2 15 2 368 0.280
Smoking 1998
 Non-smoker 9504 46 359 46 9863  
 Ex-smoker 5689 28 222 29 5911  
 Current smoker 5360 26 194 25 5554 0.753
Smoking 2003
 Non-smoker 7533 49 290 50 7823  
 Ex-smoker 4674 30 171 30 4845  
 Current smoker 3328 21 117 20 3445 0.693
BMI 1998
  < 30 20,240 91 746 89 20,986  
  ≥ 30 2008 9 97 12 2105 0.014
BMI 2003
  < 30 14,676 87 533 85 15,209  
  ≥ 30 2166 13 98 16 2264 0.050
Beck depression scale 1998
 Healthy (0–9) 19,834 89 747 89 20,581  
 Depressed (≥10) 2378 11 94 11 2472 0.665
Beck depression scale 2003
 Healthy (0–9) 14,725 89 542 86 15,267  
 Depressed (≥10) 1894 11 85 12 1979 0.096
Have you participated in a health-promoting program? 2003
 None 15,760 95 571 92 16,331  
 In the last year 299 2 14 2 313  
 1–5 years ago 278 2 18 3 296  
 More than 5 years ago 325 2 17 3 342 0.040