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Table 5 Gender-Specific Factors Associated with Asthma Prevalence in NHANES Multivariate Analyses. Adjusted odds ratios (ORs) were derived separately for males and females from adjusted survey logistic regression models with asthma as the outcome. Shown are ORs and 95% confidence intervals (CIs)

From: Gender-specific determinants of asthma among U.S. adults

  Male Adjusted ORs
(N = 6,476)
Female Adjusted ORs
(N = 6,888)
Weighted Asthma Prevalence (%) 6.23 10.02
Race/Ethnicity
 White Reference Reference
 Black 0.98 (0.73, 1.33) 0.95 (0.76, 1.18)
 Hispanic 0.39 (0.26, 0.59)** 0.62 (0.46, 0.83)*
 Other 0.80 (0.48, 1.35) 0.77 (0.49, 1.21)
Education level
 Less than high school 1.04 (0.76, 1.42) 0.86 (0.68, 1.10)
 High school 0.81 (0.54, 1.23) 0.91 (0.70, 1.19)
 Some college or more Reference Reference
Poverty income ratio
 ≤ 1 1.70 (1.24, 2.34)* 1.78 (1.44, 2.20)**
 > 1 Reference Reference
Body Mass Index (BMI)
 Not overweight or obese Reference Reference
 Overweight 0.91 (0.64, 1.29) 1.39 (1.06, 1.81)*
 Grade 1 obese 1.18 (0.85, 1.63) 1.97 (1.54, 2.52)**
 Grade 2 obese 1.69 (0.99, 2.89) 2.00 (1.47, 2.72)**
 Grade 3 obese 1.74 (0.87, 3.48) 3.30 (2.19, 4.97)**
Smoking status
 Never smoked Reference Reference
 Former smoker 1.34 (0.96, 1.87) 1.28 (1.00, 1.63)
 Current smoker 1.27 (0.86, 1.89) 1.78 (1.35, 2.33)**
Age
 10 Years 1.03 (0.94, 1.12) 0.97 (0.90, 1.04)
  1. *p < 0.05, **p < 0.001