Table 3.
Odds ratio for COPD by telomere length quartiles-NHANES 1999–2002
| Telomere length | COPD | ||
|---|---|---|---|
| N | cOR (95% CI) | aOR (95% CI)a | |
| Male + Femaleb | 455 | ||
| Q4 | 82 | 1.00 | 1.00 |
| Q3 | 95 | 1.03 (0.72–1.45) | 0.95 (0.66–1.36) |
| Q2 | 116 | 1.55 (1.19–2.01) | 1.35 (0.99–1.86) |
| Q1 | 162 | 2.14 (1.67–2.74) | 1.68 (1.19–2.37) |
| P for trend | < 0.01 | < 0.01 | |
| Male | 171 | ||
| Q4 | 27 | 1.00 | 1.00 |
| Q3 | 30 | 0.97 (0.48–1.95) | 0.90 (0.45–1.81) |
| Q2 | 45 | 1.37 (0.87–2.16) | 1.28 (0.77–2.14) |
| Q1 | 69 | 2.11 (1.41–3.15) | 1.72 (0.98–3.00) |
| P for trend | < 0.01 | 0.04 | |
| Female | 284 | ||
| Q4 | 55 | 1.00 | 1.00 |
| Q3 | 65 | 1.04 (0.69–1.57) | 0.95 (0.62–1.45) |
| Q2 | 71 | 1.69 (1.20–2.38) | 1.41 (0.95–2.12) |
| Q1 | 93 | 2.21 (1.55–3.14) | 1.64 (1.07–2.51) |
| P for trend | < 0.01 | < 0.01 | |
cOR Crude odds ratio; aOR Adjusted odds ratio; CI confidence interval; N Number; NHANES National Health and Nutrition Examination Survey
aModel was adjusted for age, age square, education, race, poverty income ratio, body mass index, smoking status, alcohol-use status, diabetes status, high blood pressure status and physical activity status
bSex was further adjusted