Table 6. Association of risk or geographic factors with physical inactivity.
| Risk/Geographic Factors | OR (95% CI) |
| Smoking | |
| Never smoked* | Referent |
| Current and former smoker | 1.18 (1.14, 1.22) |
| Body Mass Index * | |
| Normal weight | Referent |
| Overweight | 1.04 (1.00,1.09) |
| Obese | 1.44 (1.38, 1.50) |
| Disability * | |
| No | Referent |
| Yes | 1.42 (1.37, 1.48) |
| General Health Status * | |
| Excellent/good | Referent |
| Fair/poor | 1.74 (1.66, 1.82) |
| Asthma Currently | |
| No | Referent |
| Yes | 0.98 (0.92, 1.03) |
| Seasonality * | |
| Quarter 1 (January to March) | Referent |
| Quarter 2 (April to June) | 0.68 (0.65, 0.72) |
| Quarter 3 (July to September) | 0.67 (0.63, 0.70) |
| Quarter 4 (October to December) | 0.84 (0.80, 0.88) |
| U.S. Geographic Region * | |
| Northeast | Referent |
| Southeast | 1.01 (0.96, 1.06) |
| Midwest | 0.90 (0.86, 0.95) |
| Southwest | 0.89 (0.84, 0.96) |
| West | 0.65 (0.61, 0.69) |
| Metropolitan County Classification * | |
| Rural counties | Referent |
| Counties with <250,0000 | 0.93 (0.89, 0.99) |
| Counties with 250,000–1 Million | 0.90 (0.85, 0.94) |
| Counties with ≥1 Million | 0.88 (0.84, 0.92) |
Adjusted for all above variables in the table and all three air pollution variables.
*Joint adjusted Wald test p-value <0.0001.