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Figure 1 | World Allergy Organization Journal

Figure 1

From: Prevalence trends in respiratory symptoms and asthma in relation to smoking - two cross-sectional studies ten years apart among adults in northern Sweden

Figure 1

Changes in asthma and respiratory symptom prevalence from 1996 to 2006. Legend: The changes in physician-diagnosed asthma and respiratory symptom prevalence from 1996 to 2006 are expressed as Odds Ratios with corresponding 95% Confidence Intervals for 2006 as survey year (1996 as reference) from logistic regression models adjusted for age group, sex, family history of asthma and smoking habits.

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World Allergy Organization Journal

ISSN: 1939-4551

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