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Table 1 Description of study population. Disease prevalence in relation to sex, age, and smoking.

From: Traffic-related air pollution associated with prevalence of asthma and COPD/chronic bronchitis. A cross-sectional study in Southern Sweden

  

n

Diagnosed asthma

Asthma symptoms

Diagnosed COPD

Chronic b. symptoms

Sex

Men

4341

258(5.9%)

429(9.9%)

172(4.0%)

308(7.1%)

 

Women

4975

428(8.6%)

686(13.8%)

243(4.9%)

327(6.6%)

Ever smoker

No

4306

291(6.8%)

431(10.0%)

118(2.7%)

217(5.0%)

 

Yes

5010

395(7.9%)

684(13.7%)

297(5.9%)

418(8.3%)

Age

18–19

135

15(11.1%)

23(17%)

3(2.2%)

9(6.7%)

 

20–29

1062

110(10.4%)

141(13.3%)

19(1.8%)

41(3.9%)

 

30–39

2045

158(7.7%)

246(12.0%)

61(3.0%)

108(5.3%)

 

40–49

1887

112(5.9%)

217(11.5%)

69(3.7%)

101(5.4%)

 

50–59

2123

142(6.7%)

237(11.2%)

106(5.0%)

185(8.7%)

 

60–69

1586

113(7.1%)

178(11.2%)

115(7.3%)

139(8.8%)

 

70–77

478

36(7.5%)

73(15.3%)

42(8.8%)

52(10.9%)