Table 1 Characteristics of study subjects
From: The association between glaucoma and risk of depression: a nationwide population-based cohort study
Variable | Glaucoma group n = 8777 | Control group n = 35,108 | p-value |
|---|---|---|---|
n (%) | n (%) | ||
Age, year, (mean±SD) | 59.4±13.6 | 59.4±13.6 | 1.000 |
Age, categorical | Â | Â | 1.000 |
 30–50 | 2228 (25.4) | 8912 (25.4) |  |
 50–60 | 2012 (22.9) | 8048 (22.9) |  |
 60–70 | 2239 (25.5) | 8956 (25.5) |  |
  ≥ 70 | 2298 (26.2) | 9192 (26.2) |  |
Gender | Â | Â | 1.000 |
 Male | 4376 (49.9) | 17,504 (49.9) |  |
 Female | 4401 (50.1) | 17,604 (50.1) |  |
Charlson comorbidity index |  |  | < 0.0001 |
  < 3 | 7463 (85.0) | 309,339 (88.1) |  |
 ≥3 | 1314 (15.0) | 4169 (11.9) |  |
Insurance cost |  |  | < 0.0001 |
  < 40,000 NTD | 7618 (86.8) | 31,052 (88.4) |  |
 ≥40,000 NTD | 1159 (13.2) | 4056 (11.6) |  |
Urbanization level |  |  | < 0.0001 |
 Urban | 6761 (77.0) | 25,464 (72.5) |  |
 Rural | 2016 (23.0) | 9644 (27.5) |  |
Living alone | Â | Â | 0.62 |
 No | 7973 (90.8) | 32,830 (90.7) |  |
 Yes | 804 (9.2) | 3278 (9.3) |  |
Substance abuse | |||
 No | 8704 (99.2) | 34,786 (99.1) | 0.49 |
 Yes | 73 (0.8) | 322 (0.9) |  |
Depression during the follow-up period | 515 (5.9) | 1282 (3.7) | < 0.0001 |