Computer Vision Syndrome and Associated Factors among Computer Users in Debre Tabor Town, Northwest Ethiopia
Table 3
Multivariable analysis of predictors for computer vision syndrome symptoms among computer users of governmental offices in Debre Tabor town, Ethiopia ().
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 value < 0.05, significant at value < 0.001.
