Table 3.
Association between population characteristics and arthritis.
| Characteristics | Odds ratio (95% confidence | Pa |
|---|---|---|
| interval) of arthritis | ||
| Age | 1.07 (1.06–1.08) | <0.01 |
| Race/ethnicity | ||
| Mexican American | 1.00 | |
| Other Hispanic | 1.41 (1.20–1.65) | <0.01 |
| Non-Hispanic White | 2.54 (2.21–2.91) | <0.01 |
| Non-Hispanic Black | 1.91 (1.67–2.19) | <0.01 |
| Other Race | 1.45 (1.14–1.84) | <0.01 |
| Annual family income | ||
| < $20,000 | 1.00 | |
| $20,000–$34,999 | 0.76 (0.67–0.85) | <0.01 |
| $35,000–$74,999 | 0.65 (0.55–0.75) | <0.01 |
| ≥$75,000 | 0.52 (0.44–0.61) | <0.01 |
| Education | ||
| ≤ High school | 1.00 | |
| Some college or AA degree | 0.90 (0.79–1.02) | 0.11 |
| ≥College graduate | 0.58 (0.50–0.67) | <0.01 |
| Vigorous/ moderate recreational activities for at least 10 min continuously in a typical week | 1.41 (1.27–1.58) | <0.01 |
| Smoking | ||
| Never smoker | 1.00 | |
| Former smoker | 1.95 (1.68–2.27) | <0.01 |
| Current smoker | 1.37 (1.22–1.54) | <0.01 |
| Alcohol (g/day) | 0.99 (0.98–1.00) | <0.01 |
| Obesity | 2.09 (1.84–2.36) | <0.01 |
| Current diabetes | 2.91 (2.61–3.25) | <0.01 |
| Metabolic syndrome | 2.08 (1.88–2.31) | <0.01 |
aThe P values for significance tests.