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Table 1 Characteristics of the study subjects

From: Measuring health-related quality of life in elementary and secondary school students using the Chinese version of the EQ-5D-Y in rural China

 Elementary School (n = 1728)Secondary school
(n = 2114)
Gender, % (n)
Boys54.9 (948)49.9 (1054)
Girls45.1 (780)50.1 (1060)
Age
Mean (SD)8.7 (0.61)14.8 (0.82)
Median8.715.0
Range7–1511–18
Ethnicity
Han16.6 (287)16.6 (351)
Hani68.2 (1178)62.5 (1321)
Yi9.3 (162)12.0 (253)
Others5.9 (102)8.9 (189)
BMI (SD)16.2 (2.82)19.7 (2.89)
Myopia, n(%)
Presence2.5 (43)30.5 (644)
Absence97.5 (1685)69.5 (1470)
  1. SD standard deviation