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Table 4 Airways obstruction at baseline (2008/2009) and at follow-up (2012/2013) in exposed and non-exposed group, men and women separately and among men who take part in accident related tasks

From: A follow-up study of airway symptoms and lung function among residents and workers 5.5 years after an oil tank explosion

 

Airways obstruction at baseline

Airways obstruction at follow-up

Before bronchodilatation

After bronchodilatation

Before bronchodilatation

After bronchodilatation

n (%)

n (%)

n (%)

n (%)

Men

 Non-exposed

7 (13.5)

5 (9.4)

12 (22.2)

7 (13.2)

 Exposed

26 (22.2)

16 (15.2)

32 (27.4)

24 (21.2)

 Accident related tasks

4 (12.9)

3 (11.5)

9 (31.0)

5 (17.9)

Women

 Non-exposed

4 (8.3)

2 (4.1)

7 (13.7)

6 (11.8)

 Exposed

8 (10.0)

5 (5.6)

11 (13.6)

7 (8.8)

  1. Airways obstruction: FEV1/FVC ratio <0.70
  2. Accident related tasks: fire-fighting or clean-up activities first 6 months after accident