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Association between residential sector and asthma and associated symptoms stratified by residential sector in the central south of Chile.
| Symptoms | OR (adjusted for sex and current smoking) (95% CI) | ||
|---|---|---|---|
| Urban (reference) | Semiurban | Rural | |
| Asthma ever (n = 3347) | 1 | 1.2 (0.8–1.8) | 1.4 (0.9–2.4) |
| Current asthma symptoms (n = 3338) | 1 | 0.6 (0.4–1.1) | 0.4 (0.2–0.9) |
| Rhinoconjunctivitis symptoms (n = 3338) | 1 | 0.8 (0.5–1.2) | 0.3 (0.2–0.7) |
| Eczema symptoms (n = 3332) | 1 | 0.5 (0.3–1.0) | 0.8 (0.4–1.6) |
