Table 4.
Association between maternal occupation exposure to cleaning chemicals during pregnancy and airway outcomes.
| Minimally-adjusted modela | Main modelb | Extended modelc | ||||
|---|---|---|---|---|---|---|
| Primary outcomes | Adjusted RR (95% CI) | p-value | Adjusted RR (95% CI) | p-value | Adjusted RR (95% CI) | p-value |
| Current wheeze | 0.90 (0.49–1.64) | 0.72 | 1.03 (0.56–1.90) | 0.92 | 1.03 (0.55–1.90) | 0.65 |
| Current asthma | 0.86 (0.45–1.64) | 0.65 | 0.89 (0.46–1.74) | 0.74 | 0.88 (0.45–1.71) | 0.74 |
| Secondary outcome | ||||||
| Strict asthma | 0.70 (0.31) – 1.55 | 0.38 | 0.82 (0.33–2.02) | 0.67 | 0.80 (0.33–1.96) | 0.63 |
a
Minimally adjusted models were adjusted for child age, child sex, and study site.
b
Main models were further adjusted for maternal race, maternal ethnicity, education at enrollment, maternal history of asthma, maternal age at delivery, and maternal self-report of smoking status at enrollment, household size category, regional-and inflation-adjusted household income, postnatal second-hand smoke exposure, season of birth, and firstborn status.
c
Extended models were additionally adjusted for preterm birth and birthweight.