| | Characteristics | Full sample (N = 90) |
| | Age, mean (SD) | 77.8 (8.0) |
| | Ethnicity, n (%) | | White | 86/90 (96%) | | Black | 2/90 (2%) | | Arab | 1/90 (1%) | | Choice not listed | 1/90 (1%) |
| | Education, n (%) | | Some high school or less | 8/90 (9%) | | Completed high school | 29/90 (32%) | | Additional training | 15/90 (17%) | | College degree | 18/90 (20%) | | Undergraduate university | 9/90 (10%) | | Postgraduate university | 8/90 (9%) | | Advanced professional degree | 3/90 (3%) |
| | Socioeconomic status, n (%) | | Less than $10,000 | 3/83 (4%) | | $10,001–$25,000 | 20/83 (24%) | | $25,001–$50,000 | 24/83 (29%) | | $50,001–$75,000 | 19/83 (23%) | | $75,001–$100,000 | 7/83 (8%) | | $100,001–$125,000 | 6/83 (7%) | | $125,001–$150,000 | 0/83 (0%) | | Greater than $150,000 | 4/83 (5%) |
| | Use of a mobility aid, n (%) | | No | 72/87 (83%) | | Yes | 15/87 (17%) |
| | Living arrangements, n (%) | | Nursing home | 1/90 (1%) | | Home alone | 22/90 (24%) | | Home with caregiver | 1/90 (1%) | | Home with spouse | 58/90 (64%) | | Home with family | 8/90 (9%) |
| | City of residence, n (%) | | London | 51/88 (58%) | | St. Thomas | 6/88 (6%) | | Stratford | 4/88 (5%) | | Woodstock | 2/88 (4%) | | Rural | 25/88 (29%) |
| | Eye diseases, n (%) | | None reported | 13/90 (18%) | | Retinal only | 22/90 (21%) | | Glaucoma only | 31/90 (34%) | | Cataracts only | 8/90 (9%) | | Dry eye only | 1/90 (1%) | | Retinal and glaucoma | 3/90 (3%) | | Retinal and cataracts | 5/90 (6%) | | Glaucoma and cataracts | 4/90 (4%) | | Glaucoma and dry eye | 1/90 (1%) | | Uveitis only | 1/90 (1%) | | Asteroid hyalosis only | 1/90 (1%) |
| | Number of ocular comorbidities, mean (SD) | 1.2 (0.5) |
| | Number of nonocular comorbidities, mean (SD) | 1.6 (1.7) |
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