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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