Table 3.
Risk-Factor-Associated Odds Ratios for PD (95% Confidence Interval)a
| Variable | FAME (n = 418) |
SEARCH (n = 546) |
Pooledb (n = 964) |
|---|---|---|---|
| Cigarette smoking | 0.5 (0.3-0.9) | 0.8 (0.6-1.2) | 0.7 (0.5-0.98) |
| Head injury | 1.5 (0.8-2.6) | 1.2 (0.7-1.8) | 1.3 (0.9-1.8) |
| -with unconsciousness | 1.6 (0.9-3.0) | 1.2 (0.7-2.0) | 1.3 (0.9-2.0) |
| Rep1 S* (vs. M_M) | 0.7 (0.4-1.2) | 0.7 (0.4-0.95) | 0.7 (0.5-0.9) |
| Rep1 L* (vs. M_M) | 1.6 (0.9-2.9) | 1.3 (0.7-2.3) | 1.4 (0.95-2.2) |
a
Multivariable logistic models adjusted for age, gender, race, smoking, head injury
b
Additionally adjusted for study
Abbreviations: S* = short/short or short/medium; M_M = medium/medium; L* = medium/long or long/long