The Prevalence of Ocular Allergy and Comorbidities in Chinese School Children in Shanghai

Table 1

Basic demographic information of the participants.

Age	Number of children
	Boys	Girls	Total
7 years	129	114	243
8 years	141	136	277
9 years	102	102	204
Subtotal	372	352	724
12 years	175	184	359
13 years	178	189	367
14 years	106	110	216
Subtotal	459	483	942
Grand total	831	835	1666