Table 5

The relationship between different digital media experiences and different OSDI levels (divided into asymptomatic, mild, moderate and severe symptomatic group)

VariableP valueOR95% CI
Time of watching TV (hour/day)
 ≤1RefRefNA
 >10.9860.9960.671 to 1.479
Time of using smartphone (hour/day)
 ≤1RefRefNA
 >10.0012.3551.440 to 3.853
Time of using tablet (hour/day)
 ≤1RefRefNA
 >10.0451.7861.014 to 3.145
Time of using computer (hour/day)
 ≤1RefRefNA
 >10.4171.5070.560 to 4.050
  • The dependent variable is different OSDI levels (divided into asymptomatic, mild, moderate and severe symptomatic group).

  • NA, not applicable; OSDI, Ocular Surface Disease Index.