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Table 3 Correlation coefficient for validity of physical activities, sedentary behaviour, and social status

From: Relative validity of a semiquantitative food frequency questionnaire designed for schoolchildren in western Greece

Physical activities/social status

r

Music lessons

0.96

Marital status

0.95

Sports

0.91

Dancing

0.90

Father's education level

0.88

Mother's education level

0.88

Studying

0.88

TV

0.69

Video games

0.53

Sleeping

0.43