Table 2

Logistic regression of the factors potentially associated with myopic or non-myopic students when the threshold of exposure to light intensity was set at 3000 lux

Variables	OR	95% CI		P values
Variables	OR	Lower	Upper	P values
Age	0.94	0.61	1.17	0.152
Sex	1.15	0.72	2.04	0.223
Parental myopia history	1.24	0.81	1.99	0.106
Average daily time spent within a working distance of <20 cm (h)	1.17	1.09	1.86	0.038*
Average daily near work distance (cm)	0.95	0.31	1.94	0.104
Average daily time spent with a light intensity of >3000 lux (h)	0.27	0.10	0.72	0.009*
Cox and Snell R²	0.084

Note: The asterisks indicate statistical significance.