Table 1.
Demographics and Baseline Characteristics
| Variable | PBM (N = 65) n (%) |
Sham (N = 35) n (%) |
Total (N = 100) n (%) |
| Age (years) | |||
| Mean (SD) | 74.4 (7.3) | 77.1 (6.2) | 75.4 (7.1) |
| Minimum-maximum | 53–91 | 66–88 | 53–91 |
| Gender | |||
| Female | 46 (70.8) | 22 (62.9) | 68 (68.0) |
| Male | 19 (29.2) | 13 (37.1) | 32 (32.0) |
| Ethnicity | |||
| Hispanic or Latino | 3 (4.6) | 3 (8.6) | 6 (6.0) |
| Not Hispanic or Latino | 62 (95.4) | 32 (91.4) | 94 (94.0) |
| Race | |||
| Black or African American | 0 (0.0) | 1 (2.9) | 1 (1.0) |
| White | 65 (100) | 34 (97.1) | 99 (99.0) |
| AREDS supplementation | |||
| Yes | 57 (87.6) | 29 (82.8) | 86 (86.0) |
| No | 8 (12.3) | 6 (17.2) | 14 (14.0) |
| Eye color | |||
| Blue | 24 (36.9) | 9 (25.7) | 33 (33.0) |
| Green | 8 (12.3) | 3 (8.6) | 11 (11.0) |
| Brown | 18 (27.7) | 15 (42.9) | 33 (33.0) |
| Hazel | 14 (21.5) | 7 (20.0) | 21 (21.0) |
| Other | 1 (1.5) | 1 (2.9) | 2 (2.0) |
| Diabetes | |||
| Yes | 2 (5.7) | 7 (10.8) | 9 (9.0) |
| Type I | 0 (0.0) | 1 (1.5) | 1 (1.0) |
| Type II | 2 (5.7) | 6 (9.2) | 8 (8.0) |
| Unknown | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| No | 33 (94.3) | 58 (89.2) | 91 (91.0) |
| Hypertension | |||
| Yes | 23 (65.7) | 32 (49.2) | 55 (55.0) |
| No | 12 (34.3) | 33 (50.8) | 45 (45.0) |
Presented data is from subjects and not eyes.