Table 1.
Characteristics of Subjects in Each Phenotype Group
| Control | Drusen |
Advanced AMD |
|||
|---|---|---|---|---|---|
| Intermediate | Large | GA | NV | ||
| Subjects, n | 221 | 814 | 949 | 259 | 823 |
| Mean age ± SD, y | 77.0 ± 4.6 | 78.1 ± 4.2 | 78.9 ± 4.9 | 79.5 ± 5.5 | 80.7 ± 5.1 |
| Sex | |||||
| Female | 116 (52) | 463 (57) | 548 (58) | 129 (50) | 477 (58) |
| Male | 105 (48) | 351 (43) | 401 (42) | 130 (50) | 346 (42) |
| Education | |||||
| >High school | 155 (70) | 587 (72) | 656 (69) | 163 (63) | 473 (57) |
| ≤High school | 66 (30) | 226 (28) | 292 (31) | 96 (37) | 350 (43) |
| Smoking | |||||
| Never | 105 (47) | 438 (54) | 473 (50) | 108 (42) | 321 (39) |
| Past | 101 (46) | 342 (42) | 442 (46) | 134 (52) | 417 (51) |
| Current | 15 (7) | 34 (4) | 34 (4) | 17 (6) | 85 (10) |
| BMI | |||||
| <25 | 65 (31) | 280 (35) | 339 (37) | 78 (31) | 220 (27) |
| 25–29.9 | 88 (41) | 337 (43) | 403 (44) | 105 (41) | 345 (43) |
| ≥30 | 60 (28) | 174 (22) | 179 (19) | 70 (28) | 240 (30) |
| Antioxidants | |||||
| No | 128 (58) | 418 (51) | 442 (47) | 136 (53) | 411 (50) |
| Yes | 93 (42) | 396 (49) | 507 (53) | 123 (47) | 412 (50) |
Data are expressed as the number (percentage of total group), unless otherwise noted.