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Table 1 Body composition and PA measures for the sample of SLIC children in the current study

From: Associations of extracurricular physical activity patterns and body composition components in a multi-ethnic population of UK children (the Size and Lung Function in Children study): a multilevel modelling analysis

Variable

Number of SLIC children

Percentage (%)

Age- and sex-adjusted BMI z-score

  < 5th percentile, ‘underweight’

75

4.0

 5th–85th percentile, ‘normal weight’

1227

64.9

 85th–95th percentile, ‘overweight’

234

12.4

  > 95th percentile, ‘obese’

353

18.7

ln(FMI) z-score

  < 5th percentile

56

3.0

 5th–85th percentile

1546

81.8

 85th–95th percentile

172

9.1

  > 95th percentile

115

6.1

FFMI z-score

  < 5th percentile

61

3.2

 5th–85th percentile

1564

82.8

 85th–95th percentile

167

8.9

  > 95th percentile

97

5.1

General Sports Frequency

 Never

26

1.4

 Less than weekly

73

3.8

 Weekly

476

25.2

 Most days

481

25.5

 Daily

833

44.1

Dominant mode of commuting

 Active

883

46.7

 Passive

598

31.7

 Mixed

9

0.5

 Disagreement child-parent

399

21.1

  1. PA Physical Activity, BMI Body Mass Index, FMI Fat Mass Index, FFMI Fat-Free Mass Index