Table 3.
Prevalence of COPD by obesity level and other characteristics among non-Hispanic white older men (aged 50+) who had never smoked (n=37,618)1.
| No COPD | COPD | p value2 | |
|---|---|---|---|
| n=36,465 (96.9%) | n=1,153 (3.1%) | ||
| Obesity | |||
| BMI < 25 (ref) | 97.5% | 2.5% | <0.001 |
| Overweight (BMI = 25–29) | 97.8% | 2.2% | |
| Obese (BMI = 30–39.9) | 96.2% | 3.8% | |
| Class III obesity (BMI ≥ 40) | 92.4% | 7.6% | |
|
| |||
| Age by decade | |||
| 50s (ref) | 98.1% | 1.9% | <0.001 |
| 60s | 96.8% | 3.2% | |
| 70s | 95.5% | 4.5% | |
| 80+ | 95.9% | 4.1% | |
| Height (mean, SD) | 70.3 (2.8) | 69.3 (3.2) | <0.001 |
|
| |||
| Socioeconomic status | |||
| Education | 55.59% | ||
| Did not graduate high school | 94.1% | 5.9% | <0.001 |
| Graduated high school | 96.7% | 3.3% | |
| Attended college or technical school | 96.9% | 3.1% | |
| Graduated from college or technical school | 97.9% | 2.1% | |
| Household income | |||
| $75,000 or more (ref) | 98.6% | 1.4% | <0.001 |
| $50,000 to less than $75,000 | 97.9% | 2.1% | |
| $25,000–$49,999 | 96.2% | 3.8% | |
| $15,000–$24,999 | 94.4% | 5.6% | |
| <$15,000 | 90.9% | 9.1% | |
| Missing | 96.8% | 3.2% | |
|
| |||
| Household conditions | |||
| Marital status | |||
| Married/common-law | 97.2% | 2.8% | <0.001 |
| Never married | 96.0% | 4.0% | |
| Number of adults/households | |||
| 1 | 95.5% | 4.5% | <0.001 |
| 2 | 97.1% | 2.9% | |
| ≥3 | 97.5% | 2.5% | |
| Missing | 98.1% | 1.9% | |
|
| |||
| Health plan | |||
| Yes (ref) | 97.0% | 3.0% | 0.773 |
| No | 97.1% | 2.9% | |
1Sample sizes are presented in their unweighted form. Percentages are weighted to adjust for the probability of selection and nonresponse. 2 p value is derived from a chi-square test for categorical variables and t-test for continuous variables. Source: Behavioral Risk Factor Surveillance System 2012. SD = standard deviation.