Relationship between Family and Myopia: Based on the Jiangsu School Student Myopia Study

Table 1

Demographic characteristics of the study of the Chinese children and adolescents.

	No.	%
Male	3829	53.5
Female	3332	46.5
Primary school	4408	61.6
Middle school	1590	22.2
High school	1163	16.2
Urban	3697	51.6
Rural	3464	48.4
Nuclear family	2849	40.6
Extended family	3072	43.7
Single-parent family	780	11.1
Left-behind family	322	4.6
Myopia	3976	55.5
Total	7161	100.0