Effect of Genetic-Environmental Interaction on Chinese Childhood Myopia

Table 2

G × E interaction factors of myopia for Chinese children.

Variable	β	SE	P	Adjusted RR (95% CI)
Age	0.565	0.051	0.000	1.759 (1.591–1.945)
Father’s myopia	0.373	0.093	0.000	1.452 (1.209–1.742)
Mother’s myopia	0.441	0.092	0.000	1.554 (1.297–1.863)
Homework (2-3 hours)	0.364	0.125	0.004	1.440 (1.127–1.840)
Homework (>3 hours)	0.526	0.229	0.022	1.692 (1.079–2.652)
Watching TV (1-2 hours)	0.399	0.203	0.049	1.490 (1.002–2.217)
Playing PC games (1-2 hours)	−0.428	0.205	0.036	0.652 (0.436–0.973)
Playing PC games (2-3 hours)	0.651	0.326	0.046	1.918 (1.012–3.636)
Sleep duration	−0.122	0.059	0.037	0.885 (0.789–0.993)
Lunch break at school	−0.212	0.104	0.042	0.809 (0.659–0.993)
Outdoor activities at noon	−0.410	0.166	0.013	0.664 (0.480–0.918)