Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(712 cases with age-related macular degeneration and 286 unaffected controls were included in the study.)
| Status | Mean Age (SD) |
Sex | Grade | Ever Smoked | ||||
|---|---|---|---|---|---|---|---|---|
| M | F | N | Y | Missing | ||||
| Control (N=286) |
66.9 (8.3) |
126 (44.1%) |
160 (55.9%) |
1 | 209 | 88 | 81 | 40 |
| 2 | 77 | 34 | 36 | 7 | ||||
| Case (N=712) |
76.4 (7.6) |
257 (36.1%) |
455 (63.9%) |
3 | 192 | 62 | 84 | 46 |
| 4 | 90 | 19 | 28 | 43 | ||||
| 5 | 430 | 102 | 171 | 157 | ||||
