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Table 1 Sociodemographic and anthropometric data, physical activity variables for 2-year and 6-year follow-up

From: Trajectories of objectively measured physical activity and childhood overweight: longitudinal analysis of the IDEFICS/I.Family cohort

 

2-year follow-up

(N = 3393)

6-year follow-up

(N = 1899)

Boys

(N = 1692)

 

Girls

(N = 1701)

 

Boys

(N = 946)

 

Girls

(N = 953)

 

Country

N

%

N

%

N

%

N

%

Italy

178

10.5

176

10.3

139

14.7

112

11.8

Estonia

346

20.4

372

21.9

219

23.2

216

22.7

Cyprus

73

4.3

73

4.3

25

2.6

31

3.3

Belgium

127

7.5

126

7.4

32

3.4

35

3.7

Sweden

77

4.6

90

5.3

63

6.7

57

6.0

Germany

256

15.1

250

14.7

120

12.7

149

15.6

Hungary

161

9.5

154

9.1

177

18.7

176

18.5

Spain

474

28.0

460

27.0

171

18.1

177

18.6

Parental education (ISCED levels)

 Missing

5

0.3

1

0.1

3

0.3

3

0.3

 Low (levels 0–2)

101

6.0

102

6.0

32

3.4

32

3.4

 Medium (levels 3–5)

770

45.5

742

43.6

402

42.5

416

43.7

 High (levels 6–8)

816

48.2

856

50.3

509

53.8

502

52.7

Age (years)

Mean

SD

Mean

SD

Mean

SD

Mean

SD

 Age at baseline

6.1

1.8

6.3

1.7

5.9

1.8

6.1

1.8

 Age at follow-up

8.1

1.8

8.2

1.8

11.7

1.8

11.9

1.8

BMI percentilea

 BMI (PCTL.) at baseline

57.3

29.6

59.0

29.1

56.3

29.5

58.1

28.9

 BMI (PCTL.) at follow-up

60.2

30.0

60.3

29.9

64.5

28.5

62.2

29.0

Accelerometer wear time (min./day)

 Wear time at baseline

704.5

120.4

699.6

126.1

708.8

137.4

707.3

135.4

 Wear time at follow-up

695.8

110.1

698.5

109.5

754.9

114.5

757.3

101.3

MVPA (min./day)

 MVPA at baseline

55.5

22.5

47.6

19.9

53.4

22.9

46.2

19.3

 MVPA at follow-up

57.6

25.0

48.2

21.7

58.5

24.6

47.9

20.4

  1. Abbreviations: ISCED International Standard Classification of Education, BMI body mass index, MVPA moderate-to-vigorous physical activity
  2. a Based on the (IOTF) BMI percentile curves updated by Cole & Lobstein [29]