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Table 3 Results of binary logistic regression of computer vision syndrome in all adults, males and females

From: Computer vision syndrome among computer office workers in a developing country: an evaluation of prevalence and risk factors

Risk factors

Odds ratio (95 % CI)

All adults

Male

Female

Female gender

1.28 (1.05–1.57)*

  

Age

0.98 (0.97–1.00)

0.95 (0.92–1.01)

1.03 (1.01–1.06)¥

Duration of occupation (years)

1.07 (1.04–1.10)#

1.12 (1.08–1.17)#

NA

Daily computer usage (hours)

1.10 (1.07–1.14)#

1.16 (1.11–1.21)#

1.06 (1.02–1.10)¥

Pre-existing eye disease

4.49 (3.33–6.03)#

4.38 (2.96–6.48)#

5.20 (3.25–8.34)#

Not using a VDT filter

1.02 (1.01–1.03)*

1.01 (1.00–1.02)¥

1.02 (1.01–1.03)#

Adjusting brightness of screen

0.74 (0.61–1.01)

0.73 (0.55–0.98)

0.67 (0.50–1.01)

Angle of Gaze

1.01 (0.91–1.10)

NA

1.01 (0.99–1.02)

Use of contact lenses

3.21 (1.09–9.47)*

5.25 (1.12–24.5)*

NA

Ergonomic knowledge

1.24 (1.19–1.30)#

1.26 (1.19–1.34)#

1.23 (1.15–1.31)#

  1. NA not associated
  2. VDT visual display terminal
  3. * p < 0.05
  4. ¥p < 0.01
  5. #p < 0.001