Table 3 Bivariate Correlations between Demographic Variables and Exam Scores.

From: The Relations between 3-year Changes in Physical Fitness and Academic Performance in Nationally Representative Sample of Junior High School Students

Demographic variables

r

p

BCTJH score

  Sex

−0.02

<0.001

  BMI type

−0.06

<0.001

  Level of urbanization

0.04

<0.001

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