Table 3 Office workers’ characteristics
From: Symptoms of ocular surface disease in construction workers: comparative study with office workers
Variable | Total n = 155 (100%) | Closed office n = 95 (61.3%) | Open area n = 60 (38.7%) | p (CI 95%) |
|---|---|---|---|---|
Age (SD) years | 33.03 ± 9.77 | 32.27 ± 9.13 | 34.22 ± 10.66 | 0.22 a (−1.2,5.1) |
Gender M/F (%) | 46/109 (29.7/70.3) | 31/64 (32.6/67.4) | 15/45 (25/75) | 0.31 b |
Smokers (%) | 28 (18.1) | 23 (24.2) | 5 (8.3) | 0.01b |
Contact lens users (%) | 23 (14.8) | 15 (15.8) | 8 (13.3) | 0.67 b |
Computer hours per day | 8.19 ± 1.86 | 8.24 ± 1.79 | 8.20 ± 1.81 | 0.87 c |
Working hours per day | 8.56 ± 1.02 | 8.47 ± 1.60 | 8.53 ± 1.26 | 0.80 a (−0.4,0.5) |
Ocular disease | 33 (21.3) | 15 (15.8) | 18 (30) | 0.03 b |
Systemic disease | 12 (7.7) | 7 (7.4) | 5 (8.3) | 0.82 b |