Table 1.
Participant demographics, health characteristics, and physical activity metrics by severity of visual field damage (N=229)
| Normal/Mild VF damage (IVF>28 dB) N = 115 | Moderate VF damage (IVF:23–28 dB) N = 91 | Severe VF damage (IVF<23 dB) N = 23 | P-value | |
|---|---|---|---|---|
| Demographic characteristics | ||||
| Age, mean (SD) | 69.10 (6.46) | 72.33 (8.88) | 70.17 (7.36) | 0.01 |
| Male, n (%) | 57 (50) | 49 (54) | 10 (44) | 0.64 |
| African American, n (%) | 27 (24) | 21 (23) | 15 (65) | <0.01 |
| Living alone, n (%) | 19 (17) | 20 (22) | 6 (26) | 0.44 |
| Employed, n (%) | 41 (36) | 36 (40) | 5 (22) | 0.28 |
| Education | 0.17 | |||
| ≤ High school, n (%) | 15 (13) | 15 (17) | 5 (22) | |
| Some college, n (%) | 14 (12) | 12 (13) | 5 (22) | |
| Bachelor, n(%) | 34 (30) | 18 (20) | 5 (22) | |
| ≥ Master, n (%) | 52 (45) | 46 (51) | 8 (35) | |
| Health characteristics | ||||
| Better-eye visual acuity-logMAR, mean(SD) | 0.04 (0.11) | 0.11 (0.12) | 0.31(0.38) | <0.01 |
| Polypharmacy, n (%) | 36 (31) | 30 (33) | 9 (39) | 0.76 |
| No. of comorbidities | 0.94 | |||
| ≤ 1, n (%) | 38 (33) | 34 (37) | 9 (39) | |
| 2–3, n (%) | 51 (44) | 40 (44) | 9 (39) | |
| 4–5, n (%) | 26 (23) | 17 (19) | 5 (22) | |
| MMSE-VI, mean (SD) | 20.32 (1.51) | 19.62 (2.21) | 19.83 (1.83) | 0.02 |
VF: vision field; SD: standard deviation; Polypharmacy: ≥ 5 systemic prescription medications without eye drops; MMSE-VI: Mini-Mental State Examination-Vision Impairment (maximum as 22); dB: decibels; IVF: integrated vision field. MVPA: moderate & vigorous physical activity.