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Table 1 Description of the study sample

From: Prenatal and childhood exposure to chlordecone and adiposity of seven-year-old children in the Timoun mother–child cohort study in Guadeloupe (French West Indies)

 

All (N = 575)

Boys (N = 283)

Girls (N = 292)

p-valuea

N

% or mean (std)

N

% or mean (std)

N

% or mean (std)

Pregnancy and birth

 Maternal age

575

31.7 (6.6)

173

31.8 (6.8)

200

31.7 (6.4)

0.59

 Maternal place of birth

      

0.06

 French West Indies

465

80.9

238

84.1

227

77.7

 

 Other Caribbean Islands

52

9.0

25

8.8

27

9.2

 

 Europe

58

10.1

20

7.1

38

13.0

 

 Maternal education (yrs)

      

0.54

  < 5

28

4.9

13

4.6

15

5.1

 

 5–12

398

69.2

202

71.4

196

67.1

 

  > 12

149

25.9

68

24.0

81

27.7

 

 Maternal BMI

      

0.57

 Underweight

33

5.8

19

6.8

14

4.9

 

 Normal

300

53.1

151

54.3

149

51.9

 

 Overweight

131

23.2

63

22.7

68

23.7

 

 Obese

101

17.9

45

16.2

56

19.5

 

 Tobacco during pregnancy

18

3.1

8

2.8

10

3.4

0.68

 Alcohol during pregnancy

12

2.2

5

1.9

7

2.5

0.61

 Hypertensionb

70

12.6

30

10.9

40

14.2

0.25

 Diabetesc

76

13.7

41

15.0

35

12.5

0.39

 Preterm birth

83

14.4

45

15.9

38

13.0

0.32

 Small for gestational age

51

8.9

31

10.9

20

6.8

0.08

 Large for gestational age

51

8.9

18

6.4

33

11.3

0.04

Child at 7 years of age

 Age at examination (months)

575

92.0 (2.6)

283

92.1 (2.7)

292

91.9 (2.6)

0.54

 BMI z-score

      

0.001

 Underweight

17

3.0

12

4.3

5

1.7

 

 Normal

406

70.9

195

69.2

211

72.5

 

 Overweight

87

15.2

33

11.7

54

18.6

 

 Obese

63

11.0

42

14.9

21

7.2

 

 % Fat mass

565

19.4 (6.2)

276

18.2 (5.8)

289

20.4 (6.5)

 < 0.001

 Subscapular fold (mm)

495

6.8 (3.1)

240

6.3 (2.8)

255

7.3 (3.3)

 < 0.001

 Tricipital fold (mm)

510

9.6 (4.1)

249

8.6 (3.9)

261

10.5 (4.1)

 < 0.001

 Sum of skinfolds (mm)

495

16.5 (6.8)

240

15.0 (6.4)

255

17.9 (6.9)

 < 0.001

 Waist circumference (cm)

571

57.4 (6.8)

283

57.4 (6.8)

288

57.4 (6.9)

0.80

 Waist-to-height ratio

571

0.44 (0.04)

283

0.44 (0.04)

288

0.44 (0.05)

0.63

 Sport practice (Yes)

271

47.3

140

49.8

131

44.9

0.23

 Time practicing sports (h/week) d

271

2 (1.5 – 4)

140

2 (2.5 – 4)

131

2 (1 – 3.5)

0.03

 Time watching TV (h/week)

575

11.4 (7.5)

283

11.1 (7.2)

292

11.8 (7.7)

0.34

 Time playing videogames (h/week)

575

3.2 (4.0)

283

3.5 (4.0)

292

2.9 (4.0)

0.02

  1. ap-values from Wilcoxon (continuous variables) or Chi-square (nominal variables) tests
  2. bNon-gestational or gestational hypertension
  3. cNon-gestational or gestational diabetes
  4. dMedian (Q1- Q3) time of sport practice among practicing children
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Environmental Health

ISSN: 1476-069X