Early Age of the First Myopic Spectacle Prescription, as an Indicator of Early Onset of Myopia, Is a Risk Factor for High Myopia in Adulthood

Table 4

Logistic regression analysis for high myopia.

	Odds ratio	95% CI	value
First spectacle age	0.649	0.564–0.747	<0.001
First spectacle refractive power	0.986	0.982–0.991	<0.001
Mother with high myopia (yes vs. no)	5.591	1.401–22.316	0.015
After-school class attendance in senior high school	2.488	1.158–4.620	0.018

CI: confidence interval.