Table 2 Ocular surface disease symptoms’ distribution
From: Symptoms of ocular surface disease in construction workers: comparative study with office workers
Variable | Age | Total n = 304 (100) | Construction workers n = 149 (49) | Office workers n = 155 (51) | p (CI 95%) |
|---|---|---|---|---|---|
OSDI | 21.30 ± 22.20 | 12.45 ± 17.50 | 28.51 ± 22.99 | 0.001 a (−21.99,-12.75) | |
Symptoms free (%) | 31.55 ± 9.02 | 139 (45.9) | 96 (64.4) | 43 (27.7) | < 0.001 b |
Mild symptoms (%) | 35.17 ± 11.78 | 48 (15.8) | 20 (13.4) | 28 (18.1) | < 0.001 b |
Moderate symptoms(%) | 41.60 ± 10.28 | 35 (11.5) | 14 (9.4) | 21 (13.5) | < 0.001b |
Severe symptoms (%) | 34.33 ± 11.06 | 82 (26.9) | 19 (12.8) | 63 (40.6) | < 0.001 b |