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Table 12 The correlation between BMI and a number of hours spent by a child on physical activity and the frequency (a week) of the use of sports facilities by a child depending on age and sex

From: The analysis of the degree of 10–13-year-old children’s nutrition, dietary habits and physical activity in the selected rural and urban areas of Silesian Province (Poland)

Girls
  10 years old (n = 94) 11 years old (n = 76) 12 years old (n = 69) 13 years old (n = 32)
Number of hours a week spent by a child on physical activity Spearman’s rho − 0.28 − 0.15 0.05 − 0.11
significance 0.006 0.193 0.691 0.548
The frequency (a week) of the use of sports facilities by a child Spearman’s rho 0.19 0.09 − 0.03 0.11
significance 0.061 0.413 0.797 0.563
Boys
  10 years old (n = 108) 11 years old (n = 54) 12 years old (n = 75) 13 years old (n = 34)
Number of hours a week spent by a child on physical activity Spearman’s rho − 0.11 − 0.40 − 0.26 − 0.05
significance 0.249 0.003 0.025 0.768
The frequency (a week) of the use of sports facilities by a child Spearman’s rho 0.05 0.25 0.10 0.23
significance 0.624 0.071 0.392 0.188