Table 1.
Follow-up Data | No Follow-up Data | ||||||||
---|---|---|---|---|---|---|---|---|---|
Unit Value | Total No. | Unit Value | Total No. | ||||||
Age, mean (SD), y | 73.9 (14.0) | 441 | 69.4 (17.8) | 278 | −4.53 | 3.60 | 487.38 | <.001 | |
Male sex, No. (%) | 135 (30.6) | 441 | 107 (38.5) | 278 | NP | NP | NP | NP | 0.70 (0.51–0.97) |
Symptomatic comorbidities, mean (SD), No. | 3.2(1.8) | 441 | 2.9(1.7) | 278 | −0.28 | 2.15 | 605.82 | .03 | |
Living alone, No. (%) | 175 (39.7) | 441 | 101 (36.3) | 278 | NP | NP | NP | NP | 1.15 (0.85–1.57) |
Support provided, No. (%) | 378 (85.7) | 441 | 232 (83.5) | 278 | NP | NP | NP | NP | 1.19 (0.79–1.80) |
Driving, No. (%) | 143 (32.4) | 441 | 71 (25.5) | 278 | NP | NP | NP | NP | 1.40 (1.00–1.96) |
Visual acuity | |||||||||
logMAR, mean (SD) | 0.69 (0.45) | 388 | 0.66 (0.48) | 204 | −0.03 | 0.85 | 393.30 | .39 | |
Snellen equivalent | 20/100 | 20/100 | |||||||
Baseline functional ability score,a mean (SD), logits | |||||||||
Goals or overall visual ability | 1.01 (1.18) | 468 | 0.93 (1.38) | 311 | −0.08 | 0.81 | 650.57 | .42 | |
Reading | 0.82 (1.28) | 427 | 0.78 (1.47) | 312 | −0.03 | 0.33 | 612.96 | .74 | |
Mobility | 0.61 (1.10) | 331 | 0.40 (1.14) | 243 | −0.21 | 2.24 | 508.83 | .03 | |
Visual information processing | 0.79 (1.04) | 403 | 0.60 (1.16) | 297 | −0.19 | 2.21 | 595.54 | .03 | |
Visual motor function | 0.84(1.06) | 423 | 0.67 (1.15) | 305 | −0.16 | 1.93 | 621.97 | .05 | |
GDS Rasch score,b mean (SD) | −2.26 (1.69) | 441 | −1.85 (1.81) | 259 | 0.37 | 2.71 | 511.66 | .01 | |
SF-36 physical functioning Rasch score, mean (SD) | 0.56 (2.36) | 445 | 0.6 (2.49) | 313 | 0.04 | 0.21 | 649.28 | .83 | |
TICS raw score,c mean (SD) | 38.59 (6.45) | 441 | 37.86 (7.22) | 306 | −0.72 | 1.40 | 607.15 | .16 |
Abbreviations: GDS, Geriatric Depression Scale; LVROS, Low Vision Rehabilitation Outcomes Study; NP, not performed in sample; OR, odds ratio; SF-36, Medical Outcomes Study 36-Item Short Form Health Survey; TICS, Telephone Interview for Cognitive Status.
Higher score indicates better ability or less difficulty performing activities.
Higher score indicates greater risk of depression.
Raw scores greater than 30 indicate normal cognition.