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Table 2 Background characteristics of the sample (N = 314)a

From: Aerobic and strength exercises for youngsters aged 12 to 15: what do parents think?

 

Parent

Child

M (sd)

M (sd)

Gender (Female:Male)

137:177

152:162

Age in years (SD)

45.8 (4.7)

13.4 (1.0)

Education level

  

 Low (%)

70 (22.3)

-

 Medium (%)

142 (45.2)

-

 High (%)

102 (32.5)

-

BMI (z) (SD)b

26.65 (4.51)

−0.05 (1.32)

 Underweight (%)

4 (1.3)

36 (12.0)

 Normal-weight (%)

119 (37.9)

199 (66.3)

 Overweight (%)

128 (40.8)

36 (12.0)

 Obese (%)

63 (20.1)

29 (9.7)

Physical activity in min/week (SD)

168.5 (272.4)

319.1 (401.9)

 Aerobic exercise (%)

74 (38.5)

56 (24.1)

 Mostly aerobic (%)

70 (36.5)

102 (44.0)

 Both aerobic and strength (%)

38 (19.8)

62 (26.7)

 Mostly strength (%)

9 (4.7)

11 (4.7)

 Strength exercises (%)

1 (0.5)

1 (0.4)

 No physical activity (%)

122 (38.9)

82 (26.1)

  1. Note. 12 children had missing values for BMI/weight status; 2 children had an unrealistic BMI z-score (< −5) and were removed as advised by the WHO [28]
  2. Type of physical activity behaviour (ranging from aerobic exercise to strength exercise); percentages for type of exercise were calculated after removing the children that were not physically active (no sport); percentage from total sample was calculated for children that were not physically active (no sport)
  3. aAll values are N’s, unless otherwise indicated. b a BMI score was calculated for the parents; a BMI z-score was calculated for the youngsters