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Table 3 Multiple logistic regression models for exacerbation of asthma in relation to self-reported work exposure in the last 12 months (n = 1356)

From: Impact of occupational exposures on exacerbation of asthma: a population-based asthma cohort study

 

Mild

Moderate

Severe

Overall

Predictor categories

OR (95 % CI)

OR (95 % CI)

OR (95 % CI)

OR (95 % CI)

Exposure in the past 12 monthsa

Gas, smoke or dust

1.48 (0.96–2.28)

0.94 (0.62–1.42)

1.74 (1.17–2.58)

1.39 (1.07–1.81)

Smell of frying

1.33 (0.74–2.38)

1.38 (0.78–2.42)

0.92 (0.53–1.60)

1.20 (0.83–1.74)

Car exhaust fumes/engine fumes

1.03 (0.61–1.76)

1.09 (0.67–1.77)

1.12 (0.70–1.77)

1.10 (0.80–1.51)

Mineral dust

1.23 (0.63–2.42)

1.10 (0.58–2.10)

1.10 (0.58–2.08)

1.15 (0.76–1.74)

Organic dust

1.10 (0.71–1.71)

1.17 (0.77–1.77)

1.72 (1.18–2.51)

1.36 (1.04–1.76)

Inorganic dust

1.30 (0.71–2.39)

0.92 (0.51–1.68)

1.25 (0.70–2.21)

1.15 (0.79–1.67)

Welding or metal smoke

1.14 (0.58–2.25)

1.07 (0.57–2.00)

1.12 (0.59–2.12)

1.12 (0.74–1.68)

Chemicals

1.52 (0.99–2.34)

1.12 (0.74–1.70)

1.10 (0.74–1.63)

1.25 (0.96–1.62)

Animals

1.53 (0.84–2.78)

0.48 (0.20–1.13)

1.07 (0.61–1.90)

1.00 (0.67–1.50)

Dampness and mold

1.08 (0.66–1.78)

0.96 (0.59–1.57)

1.79 (1.19–2.67)

1.25 (0.93–1.68)

Cold (in cold store/outside during the winter)

1.48 (0.95–2.31)

1.44 (0.89–2.34)

1.74 (1.12–2.69)

1.59 (1.17–2.15)

Physically strenuous job

1.48 (0.95–2.31)

0.86 (0.56–1.31)

1.55 (1.03–2.32)

1.29 (0.99–1.69)

  1. aEach model was separately performed for each type of self-reported work exposure adjusting for gender (reference = female), age (continuous variable), current smoker, Second-hand smoke (SHS) and history of self-reported allergy. The reference group in each model was the unexposed subjects for the specific occupational exposure category which means they might have had other types of work exposures. P-values <0.05 are marked bold