. Author manuscript; available in PMC: 2018 Jul 9.

Published in final edited form as: Ophthalmology. 2011 Jan 12;118(6):1162–1169. doi: 10.1016/j.ophtha.2010.10.003

Table 1.

Distribution of Age and Gender among Study Participants: Chinese Secondary School Children with Uncorrected Vision ≤6/12 in ≥1 Eye and Completing an Examination Consisting of Self-Refraction, Noncycloplegic Autorefraction, Cycloplegic Autorefraction, and Cycloplegic Subjective Refraction

Age (yrs)	Boys, n (%)	Girls, n (%)	Both, n (%)
12–13^*	88 (39.5)	114 (34.4)	202 (36.5)
14	96 (43.1)	161 (48.6)	257 (46.4)
15–17^†	39 (17.5)	56 (16.9)	95 (17.2)
All	223 (40.3)	331 (59.7)	554 (100.0)

Includes 7 boys and 11 girls age 12 years.

^†

Includes 4 boys and 6 girls age 16 years and 3 boys age 17 years.