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Table 9 The correlation between a number of snacks consumed by a child during the day and the frequency of the use of fast-food bars and BMI 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 = 89) 11 years old (n = 76) 12 years old (n = 66) 13 years old (n = 30)
A number of snacks consumed by a child during the day Spearman’s rho − 0.03 0.01 − 0.36 − 0.15
significance 0.790 0.997 0.003 0.452
The frequency of the use of fast-food bars by a child Spearman’s rho − 0.14 0.07 0.06 0.12
significance 0.178 0.529 0.633 0.505
Boys
  10 years old (n = 101) 11 years old (n = 49) 12 years old (n = 71) 13 years old (n = 34)
A number of snacks consumed by a child during the day Spearman’s rho − 0.13 0.17 − 0.06 − 0.14
significance 0.185 0.241 0.630 0.433
The frequency of the use of fast-food bars by a child Spearman’s rho 0.13 0.12 − 0.14 0.40
significance 0.190 0.378 0.224 0.016