Table 4 Multiple logistic regression models for exacerbation of asthma in relation to JEM in the last 12 months^a

Unexposed (reference, n = 704)

1

1

1

1

Asthmagens (n = 530)^b

1.62 (1.06–2.49)

1.17 (0.77–1.78)

1.07 (0.72–1.59)

1.32 (1.01–1.72)

High molecular weight agents (HMW, n = 235)

1.68 (0.98–2.88)

1.02 (0.58–1.82)

0.96 (0.57–1.62)

1.22 (0.86–1.74)

Low molecular weight agents (LMW, n = 100)

2.16 (1.05–4.44)

0.97 (0.42–2.26)

0.91 (0.39–2.12)

1.35 (0.82–2.25)

Irritating agents (n = 286)

1.29 (0.73–2.30)

1.36 (0.81–2.30)

1.25 (0.75–2.09)

1.36 (0.96–1.92)

Uncertain/low exposed (n = 132)

0.77 (0.33–1.76)

1.08 (0.54–2.14)

1.40 (0.75–2.63)

1.10 (0.70–1.71)