Table 1 Socio-demographic characteristics of street sweepers and office cleaners in the study of dry eye disease amongst outdoor street sweepers and indoor office cleaners
From: A comparative assessment of dry eye disease among outdoor street sweepers and indoor office cleaners
Variables | Street Sweepers (n = 115) Freq. (%) | Office Cleaners (n = 115) Freq. (%) | Total (N = 230) Freq. (%) | p- value | |
|---|---|---|---|---|---|
Age (years) | |||||
< =20 | 1 (0.9) | 1 (0.9) | 2 (0.9) | 0.267 | |
21–30 | 14 (12.2) | 21 (18.3) | 35 (15.2) | ||
31–40 | 44 (38.3) | 37 (32.2) | 81 (35.2) | ||
41–50 | 34 (29.6) | 38 (33.0) | 72 (31.3) | ||
51–60 | 19 (16.5) | 18 (15.7) | 37 (16.0) | ||
> 60 | 3 (2.6) | 0 (0.0) | 3 (1.3) | ||
Mean Age ± SD | 41.78 ± 10.39 | 40.26 ± 9.46 | 40.96 ± 9.8 ±10.8 | 0.155 | |
Sex | |||||
Male | 3 (2.6) | 12 (10.4) | 15 (6.5) | 0.016* | |
Female | 112 (97.4) | 103 (89.6) | 215 (93.5) | ||
Level of education | |||||
None | 3 (2.6) | 1 (0.9) | 4 (1.7) | < 0.047* | |
Primary | 40 (34.8) | 29 (25.2) | 69 (30.0) | ||
Secondary | 57 (49.6) | 55 (47.8) | 112 (48.7 | ||
Tertiary | 15 (13.0) | 30 (26.1) | 45 (19.6) | ||
Duration of years on the job | |||||
1–5 years | 46 (40.0) | 45 (39.1) | 93 (38.60) | < 0.001* | |
6–10 years | 31 (27.0 | 32 (27.8) | 69 (28.6) | ||
11–15 years | 24 (20.9) | 9 (7.8) | 35 (14.5) | ||
16–20 years | 13 (11.3) | 10 (8.7) | 25 (10.0) | ||
21–25 years | 0 (0) | 5 (4.3) | |||
26-30 years | 1 (0.9) | 9 (7.8) | |||
> 30 years | 0 (0.0) | 5 (4.3) | 21 (8.3) | ||