| Characteristics | NV-AMD (n = 75) | Control (n = 91) |
| Age, years | ||
| Mean (SD) | 79.6 (6.43) | 65.3 (8.53) |
| Median | 80 | 65 |
| Range | 60–92 | 50–86 |
| Gender, n (%) | ||
| Male | 28 (37.3) | 46 (50.5) |
| Female | 47 (62.7) | 45 (49.5) |
| Race, n (%) | ||
| Caucasian | 75 (100) | 76 (83.5) |
| Black | 0 (0) | 1 (1.1) |
| Asian | 0 (0) | 4 (4.4) |
| Other | 0 (0) | 7 (7.7) |
| Missing | 0 (0) | 3 (3.3) |
| Living situation in the past 12 months, n (%) | ||
| Living with spouse or family member | 46 (61.3) | 71 (78.0) |
| Living alone | 26 (34.7) | 19 (20.9) |
| Living in assisted living facility or nursing home | 3 (4.0) | 1 (1.1) |
| Current best-corrected visual acuity in better-seeing eye | ||
| Mean (SD) | 0.26 (0.19) | 0.91 (0.24) |
| Median | 0.17 | 1.0 |
| Range | 0.04–0.67 | 0.50–1.5 |
| Co-morbid diseases, n (%)*,† | ||
| Cataract | 14 (18.7) | 6 (6.6) |
| Glaucoma | 3 (4.0) | 0 (0.0) |
| Headache | 0 (0.0) | 5 (5.5) |
| Anxiety disorder | 0 (0.0) | 8 (8.8) |
| Asthma | 1 (1.3) | 9 (9.9) |
| Chronic neck/back pain | 3 (4.0) | 12 (13.2) |
NV-AMD = neovascular age-related macular degeneration; SD = standard deviation.
*Categories are not mutually exclusive. †Not all co-morbid diseases assessed are listed. Differences between study groups are statistically significant (p<0.05) for all listed co-morbidities. Other co-morbid diseases assessed included depression, diabetes, chronic obstructive pulmonary disease, arthritis, heart disease, stroke and sleep disturbance.