Table 3.
Variables | CVS | COR (95% CI) | AOR (95% CI) | |
---|---|---|---|---|
Yes | No | |||
Monthly income (ETB) | ||||
<1500 | 52 | 8 | 1.00 | 1.00 |
1500–3000 | 168 | 71 | 0.36 (0.16,0.81)∗∗ | 0.26 (0.07,0.88)∗∗ |
>3000 | 202 | 106 | 0.29 (0.13,0.64)∗∗ | 0.11 (0.01, 0.95)∗∗ |
| ||||
Occupation | ||||
Officer | 244 | 120 | 1.94 (1.03, 3.67)∗∗ | 4.74 (1.77,12.70)∗ |
Lecturer and teacher | 55 | 26 | 2.02 (0.95, 4.31) | 2.29 (0.90, 5.85) |
Secretary | 101 | 18 | 5.36 (2.45, 11.69)∗∗ | 9.17 (2.63,31.90)∗∗ |
Coordinators and managers | 22 | 21 | 1.00 | 1.00 |
| ||||
Number of years in the current position | ||||
≤5.7 | 247 | 94 | 1.00 | 1.00 |
>5.7 | 175 | 91 | 0.73 (0.52, 1.04) | 0.74 (0.47,1.16) |
| ||||
Number of working hours with computer/day | ||||
≤4.6 | 196 | 138 | 1.00 | 1.00 |
>4.6 | 226 | 47 | 3.39 (2.31, 4.96)∗∗ | 2.29 (1.43, 3.66)∗∗ |
| ||||
Comfortable computer light | ||||
Yes | 242 | 124 | 1.00 | 1.00 |
No | 180 | 61 | 1.51 (1.05, 2.17)∗ | 1.25 (0.820, 1.89) |
| ||||
Using ergonomically comfortable chair | ||||
Yes | 271 | 103 | 1.00 | 1.00 |
No | 151 | 82 | 0.70 (0.49, 0.99)∗∗ | 0.99 (0.64, 1.54) |
| ||||
Brightness of computer screen | ||||
Bright | 344 | 120 | 1.00 | 1.00 |
Dull | 78 | 65 | 0.42 (0.28, 0.62)∗ | 0.64 (0.39,1.06) |
| ||||
Adjusting computer brightness | ||||
Yes | 254 | 138 | 0.52 (0.35, 0.76)∗ | 0.93 (0.58, 1.47) |
No | 168 | 47 | 1.00 | 1.00 |
| ||||
Taking regular break | ||||
Yes | 262 | 131 | 0.68 (0.47, 0.78)∗∗ | 0.84 (0.53, 0.97)∗ |
No | 160 | 54 | 1.00 | 1.00 |
| ||||
Workload on computer | ||||
Yes | 175 | 38 | 2.74 (1.83, 4.11)∗ | 1.36 (0.84, 2.20) |
No | 247 | 147 | 1.00 | 1.00 |
| ||||
Knowledge | ||||
Good | 207 | 138 | 0.33 (0.23, 0.48)∗∗ | 0.58 (0.37, 0.92)∗ |
Poor | 215 | 47 | 1.00 | 1.00 |
| ||||
Previous history of eye illness | ||||
Yes | 76 | 9 | 4.29 (2.10, 8.78)∗∗ | 3.19 (1.49, 6.84)∗ |
No | 346 | 176 | 1.00 | 1.00 |
Note. 1.00 = reference, ∗significant at p value < 0.05, ∗∗significant at p value < 0.001.