Table 3.
Adjusted hazard ratios from multivariate Cox proportional hazard model for incident ALS cases, as of December 31, 2013, n = 456*
| Parameter | Hazard ratio (95% CI) |
|---|---|
| Age group | |
| <55 | 0.54 (0.38, 0.76) |
| 55 to <65 | 0.64 (0.47, 0.88) |
| 65 to <75 | Referent |
| 75+ | 1.68 (1.24, 2.27) |
| Sex | |
| Male | Referent |
| Female | 1.13 (0.90, 1.41) |
| Race | |
| White | Referent |
| Black | 0.69 (0.41, 1.17) |
| Asian | 0.71 (0.40, 1.27) |
| Ethnicity | |
| Non-Hispanic | Referent |
| Hispanic | 0.81 (0.47, 1.40) |
Of 493 incident cases, 37 were excluded whose race was ‘unknown’ or ‘other’, or whose Hispanic ethnicity was ‘unknown’.