Table 7.

Binary multi-factor logistic regression of eye behavior, parents’ myopia and students’ screening myopia obtained from the questionnaire survey.

Independent variable	OR (95% CI)	P
Average total time for near work per day
<180 min	1.00
≥180 min	3.12 (1.53–6.35)	0.002
Average total time for outdoor activities per day
≥90 min	1.00
<90 min	2.61 (1.29–5.26)	0.008
Parents
No myopic parent	1.00
One myopic parent	2.86 (1.19–6.87)	0.019
Two myopic parents	3.80 (1.50–9.60)	0.005

P value represents the binary multi-factor logistic regression analysis of eye behavior and parental myopia obtained from the questionnaire survey.