Table 1.
Background Characteristics of Eligible Participants with Follow-Up at 2 Years Compared to Those Who Did Not Follow-Up at 2 Years in the SEEDS
|
Variable |
Eligible Participants, N
= 968 |
Eligible Nonparticipants, N
= 275 |
Age-Adjusted
P
Value |
| Demographics | |||
| Age, mean (SD) | 75.4 (5.06) | 76.6 (5.47) | 0.001 |
| Sex, % (n) | |||
| Males | 48.6 (470) | 48.4 (133) | 0.98 |
| Race, % (n) | |||
| Black | 10.0 (97) | 12.4 (34) | 0.10 |
| Y of education, % (n) | |||
| >12 y | 53.8 (521) | 46.5 (129) | 0.07 |
| Medical history, % (n) | |||
| Diabetes | 15.6 (151) | 18.9 (52) | 0.15 |
| Arthritis | 56.9 (551) | 58.5 (161) | 0.64 |
| History of stroke | 8.4 (81) | 9.1 (25) | 0.88 |
| Depression score, mean (SD) | 3.4 (3.43) | 4.3 (4.07) | 0.001 |
| Cognition, mean (SD) | |||
| MMSE score, points | 28.6 (1.5) | 28.3 (1.6) | 0.06 |
| Auditory attention, points | 6.9 (2.3) | 6.3 (2.5) | 0.005 |
| Trails A, s | 45.9 (18.2), n = 967 | 49.4 (20.3), n = 272 | 0.04 |
| Trails B, s | 115.3 (60.4), n = 963 | 130.6 (71.7), n = 272 | 0.005 |
| Vision indicators, mean (SD) | |||
| Average AVF, deg | 13.9 (4.2) | 13.0 (4.4) | 0.02 |
| Contrast sensitivity in better eye | 35.5 (2.0) | 35.1 (2.0) | 0.03 |
| Log visual acuity | −0.02 (0.1) | −0.007 (0.1) | 0.30 |
| Degrees missed in visual field (centered at 20°) | 0.20 (1.0) | 0.34 (1.5) | 0.15 |