Research Article
Prevalence of Computer Vision Syndrome and Associated Factors among Instructors in Ethiopian Universities: A Web-Based Cross-Sectional Study
Table 3
Bivariable and multivariable logistic regression analysis for computer vision syndrome among instructors in Ethiopian universities, 2021 (n = 416).
| | Variables | Presence of CVS | COR (95% CI) | AOR (95% CI) | | Yes (%) | No (%) |
| | Sex | | Male | 213 (70.8) | 88 (29.2) | 1 | 1 | | Female | 80 (69.6) | 35 (30.4) | 1.99 (1.04–3.80) | 2.69 (1.28–5.64) |
| | Stage of university | | First generation | 42 (31.6) | 91 (68.4) | 1 | 1 | | Second generation | 158 (72.1) | 61 (27.9) | 7.34 (5.45–20.16) | 6.14 (2.45–19.16) | | Third generation | 44 (68.8) | 20 (31.3) | 6.56 (4.78–18.47) | 5.46 (3.78–16.47) |
| | Educational status | | First degree (BSc or BA) | 31 (59.6) | 21 (40.4) | 1 | | | Second degree (Master’s) | 230 (72.6) | 87 (27.4) | 3.24 (1.36–7.69) | | | Third degree (PhD) | 32 (68.1) | 15 (31.9) | 2.71 (0.86–8.58) | |
| | Age | | 24–33 years | 157 (69.2) | 70 (30.8) | 1 | 1 | | 34–43 years | 121 (74.7) | 41 (25.3) | 0.36 (0.11–1.16) | 0.62 (0.16–2.41) | | 44 years and above | 121 (74.7) | 41 (25.3) | 2.35 (1.25–4.38) | 2.73 (1.31–5.70) |
| | Currently use eyeglass | | Yes | 162 (71.1) | 66 (28.9) | 1 | 1 | | No | 131 (69.7) | 57 (30.3) | 0.41 (0.23–0.73) | 0.32 (0.15–0.67) |
| | Types of computer used | | Laptop only | 183 (70.9) | 75 (29.1) | 1 | 1 | | Laptop and desktop | 108 (70.6) | 45 (29.4) | 0.81 (0.44–1.50) | 0.54 (0.27–1.07) | | Desktop only | 2 (40.0) | 3 (60.0) | 0.56 (0.36–0.64) | 0.42 (0.16–0.81) |
| | Health break per day | | 20–60 minutes | 242 (69.7) | 105 (30.3) | 1 | | | 61–120 minutes | 51 (73.9) | 18 (26.1) | 1.69 (0.80–3.57) | |
| | Know the 20-20-20 rule | | Yes | 118 (67.4) | 57 (32.6) | 1 | | | I do not know | 118 (67.4) | 57 (32.6) | 1.29 (0.84–1.96) | |
| | Presence of workplace safety guideline | | Yes | 107 (67.7) | 51 (32.3) | 1 | 2.58 (1.10–6.06) | | No | 151 (71.6) | 60 (28.4) | 0.99 (0.54–1.84) | 6.37 (1.68–14.37) | | I do not know | 12 (25.5) | 35 (74.5) | 2.07 (0.71–6.07) | 2.58 (1.10–6.06) |
| | Adjust the brightness of the computer | | Yes | 229 (70.0) | 98 (30.0) | 1 | | | No | 64 (71.9) | 25 (28.1) | 1.57 (0.79–3.13) | 0.199 |
| | Duration of working on the computer | | Rarely | 9 (40.9) | 13 (59.1) | 1 | 1 | | Sometimes | 33 (57.9) | 24 (42.1) | 0.68 (0.12–1.35) | 1.20 (0.44–3.31) | | Often | 132 (73.7) | 47 (26.3) | 2.06 (1.24–6.54) | 3.35 (1.89–8.95) | | Always | 119 (75.3) | 39 (24.7) | 3.97 (1.65–9.55) | 5.51 (2.05–14.81) |
| | Sitting position with bending back | | Never | 13 (61.9) | 8 (38.1) | 1 | 1 | | Rarely | 39 (63.9) | 22 (36.1) | 0.85 (0.30–2.42) | 0.76 (0.29–1.99) | | Sometimes | 90 (65.7) | 47 (34.3) | 0.25 (0.04–1.44) | 0.81 (0.15–4.35) | | Often | 121 (76.1) | 38 (23.9) | 2.23 (1.13–4.41) | 1.97 (0.90–4.32) | | Always | 30 (78.9) | 8 (21.1) | 5.52 (1.83–16.60) | 8.11 (2.42–23.45) |
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, crude odds ratio; , adjusted odds ratio. |
