Table 1 Characteristics of the study population.
From: Prevalence and Risk Factors of self-reported dry eye in Brazil using a short symptom questionnaire
Variable | All n (%) | Dry eye group* n (%) | Previous dry eye diagnosis n (%) | Severe dry eye symptoms n (%) |
|---|---|---|---|---|
Overall | 3,107 (100) | 398 (12.8) | 317/3,107 (10.2) | 151/3,107 (4.9) |
Sex | ||||
Male | 1067 (34.4) | 105 (26.4) | 71 (28.7) | 34 (22.5) |
Female | 2032 (65.6) | 293 (73.6) | 176 (71.3) | 117 (77.5) |
Age category | ||||
18–39 | 1547 (50.3) | 153 (38.9) | 106 (43.5) | 48 (32.2) |
40–60 | 1052 (34.2) | 139 (35.4) | 86 (35.2) | 52 (34.9) |
60+ | 474 (15.3) | 101 (25.7) | 52 (21.3) | 49 (32.9) |
Dryness symptom | ||||
Never | 1224 (39.4) | 12 (3.0) | 12 (4.9) | — |
Sometimes | 1170 (37.7) | 65 (16.3) | 65 (26.3) | — |
Often | 531 (17.1) | 161 (40.5) | 161 (65.2) | — |
Constantly | 182 (5.9) | 160 (40.2) | 9 (3.6) | 151 (100) |
Irritation symptom | ||||
Never | 631 (20.3) | 10 (2.5) | 10 (4.0) | — |
Sometimes | 1475 (47.5) | 99 (24.9) | 98 (39.7) | — |
Often | 751 (24.2) | 167 (42.0) | 121 (49.0) | 47 (31.1) |
Constantly | 250 (8.0) | 122 (30.7) | 18 (7.3) | 104 (68.9) |
Frequency of risk factors | ||||
+60 years | 474 (15.4) | 101 (25.6) | 52 (21.3) | 49 (32.5) |
≥40 years | 1526 (49.5) | 240 (60.8) | 183 (58.3) | 102 (67.5) |
Diabetes | 247 (7.9) | 41 (10.3) | 23 (9.3) | 18 (11.9) |
Menopause | 294 (14.5) | 70 (23.9) | 35 (19.9) | 35 (29.9) |
Rheumatologic diseases | 143 (4.6) | 32 (8.0) | 18 (7.3) | 13 (8.6) |
Cancer treatment | 35 (1.1) | 11 (2.8) | 7 (2.8) | 4 (2.6) |
Smoking | 193 (7.8) | 30 (9.3) | 14 (6.9) | 16 (13.4) |
Computer use >6 h per day | 789 (25.4) | 124 (31.2) | 82 (33.2) | 43 (28.5) |
Ocular surgery | 328 (10.6) | 79 (19.8) | 38 (15.4) | 41 (27.2) |
Contact lens wear | 310 (10.0) | 60 (15.1) | 45 (18.2) | 15 (9.9) |
Antidepressants | 257 (8.8) | 62 (15.6) | 38 (15.4) | 24 (15.9) |
Anti-Allergy medications | 348 (11.2) | 83 (20.9) | 47 (19.0) | 36 (23.8) |
