Table 3 Factors Associated with Asthma Prevalence in BRFSS Univariate Analyses. Crude odds ratios (ORs) were derived from unadjusted 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
| Â | Crude ORs (N =1,003,894) |
|---|---|
Gender | |
 Male | Reference |
 Female | 1.80 (1.74, 1.86)** |
Race/Ethnicity | |
 White | Reference |
 Black | 1.18 (1.13, 1.23)** |
 American Indian/Alaskan Native | 1.64 (1.42, 1.90)** |
 Asian/Pacific Islander | 0.59 (0.53, 0.65)** |
 Hispanic | 0.72 (0.69, 0.76)** |
Education level | |
 Less than high school | 0.76 (0.69, 0.84)** |
 High school | 1.07 (1.04, 1.10)** |
 Some college or more | Reference |
Yearly Household income (USD) | |
 < $25,000 | 1.60 (1.54, 1.66)** |
 $25,000-$75,000 | 1.14 (1.10, 1.18)** |
 ≥ $75,000 | Reference |
Body Mass Index (BMI) | |
Not overweight or obese | Reference |
 Overweight | 1.07 (1.03, 1.11)** |
 Grade 1 obese | 1.45 (1.39, 1.51)** |
 Grade 2 obese | 2.11 (2.00, 2.23)** |
 Grade 3 obese | 3.30 (3.11, 3.50)** |
Smoking status | |
 Never smoked | Reference |
 Former smoker | 1.17 (1.13, 1.20)** |
 Current smoker | 1.32 (1.27, 1.37)** |
Age | |
 10 years | 0.98 (0.97, 0.99)** |