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Table 1 The sample size and age by gender

From: Associations between various kinds of parental support and physical activity among children and adolescents in Shanghai, China: gender and age differences

 

Sample size

Age (years)

n

%

Mean

SD

Boys

31,143

50.7

11.78

3.39

Girls

30,286

49.3

11.76

3.22

Total

61,429

100.0

11.77

3.31