Table 4 Multiple logistic regression analysis of influencing factors of myopia in students.
From: Prevalence and risk factors of myopia among children and adolescents in Hangzhou
Influencing factors | Wald χ2 value | P | Adjusted OR (95% CI) |
|---|---|---|---|
Regularly adjust height of desks/chairs according to students’ height | 1.282 | 0.258 | 1.109 (0.927–1.325) |
Location of inter-class activities was outside | 0.069 | 0.793 | 0.979 (0.837–1.146) |
Homework time ≥ 2 h per day in the past week | 5.632 | 0.018 | 1.199 (1.032–1.392)* |
Parents restrict children watching electronics | 0.247 | 0.619 | 1.040 (0.891–1.215) |
Distance between chest and the edge of table was more than one fist when reading/writing | 0.013 | 0.911 | 0.989 (0.814–1.202) |
Distance between the eyes and book was more than one foot (33 cm) when reading/writing | 5.886 | 0.015 | 0.772 (0.627–0.952)* |
Distance between the finger and tip was more than 3 cm when reading or writing | 0.078 | 0.780 | 1.028 (0.846–1.250) |
Teacher points out incorrect reading/writing posture | 1.165 | 0.281 | 1.081 (0.938–1.245) |
Average daily TV viewing time ≥ 2 h | 4.656 | 0.031 | 1.323 (1.026–1.706)* |
Average computer time ≥ 2 h per day | 0.164 | 0.686 | 0.928 (0.647–1.332) |
Lying down to read books or electronic screens | 0.092 | 0.761 | 1.037 (0.819–1.314) |
Reading books or electronic screens while walking or on the bus | 1.156 | 0.282 | 0.835 (0.602–1.160) |
Use table and roof lamps simultaneously when reading/writing at night | 3.983 | 0.046 | 1.157 (1.003–1.334)* |
Using a computer more than 66 cm from the screen | 0.049 | 0.824 | 1.022 (0.841–1.242) |
Duration of using eyes at a short distance ≥ 1 h | 1.729 | 0.189 | 1.112 (0.949–1.302) |
Outdoor activity time ≥ 1 h per day in the past one week | 0.301 | 0.583 | 0.961 (0.833–1.108) |
One of the parents was myopia | 23.469 | <0.001 | 1.687 (1.365–2.085)* |
Both parents were myopia | 112.428 | <0.001 | 2.999 (2.448–3.674)* |