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Table 1 Baseline characteristics among study participants (N = 278) by age group and by area, Ath, Belgium, 2009

From: Human biomonitoring of heavy metals in the vicinity of non-ferrous metal plants in Ath, Belgium

 

Central area

Peripheral area

Total

Children aged 2.5 to 6 years

n = 49

n = 49

n = 98

 Age, yearsa

4.6 (1.4)

4.5 (1.5)

4.6 (1.5)

 Sex, n

   

  Male

27 (55 %)

24 (49 %)

51 (52 %)

  Female

22 (45 %)

25 (51 %)

47 (48 %)

 BMI, kg/m2 a

16.0 (2.1)

16.1 (1.2)

16.0 (1.7)

 Higher education of parents, n

43 (88 %)

42 (85 %)

85 (88 %)

 School in the city of Ath, n

36 (78 %)

6 (12 %)

42 (44 %)

 Locally grown vegetables consumption, n

17 (35 %)

33 (67 %)

50 (51 %)

Children aged 7 to 11 years

n = 38

n = 36

n = 74

 Age, yearsa

9.4 (1.5)

9.6 (1.5)

9.5 (1.5)

 Sex, n

   

  Male

22 (58 %)

20 (56 %)

42 (57 %)

  Female

16 (42 %)

16 (44 %)

32 (43 %)

 BMI, kg/m2 a

17.8 (3.5)

17.4 (2.4)

17.6 (3.0)

 Higher education of parents, n

28 (78 %)

28 (80 %)

56 (79 %)

 School in the city of Ath, n

27 (77 %)

6 (18 %)

33 (48 %)

 Locally grown vegetables consumption, n

19 (50 %)

25 (69 %)

44 (60 %)

Men (40–60 years)

n = 27

n = 25

n = 52

 Age, yearsa

52.8 (5.7)

50.3 (6.2)

51.6 (6.0)

 BMI, kg/m2 a

30.9 (3.0)

28.0 (3.4)

31.1 (2.2)

 Higher education, n

14 (52 %)

13 (54 %)

27 (53 %)

 Work in Ath, n

10 (37 %)

6 (25 %)

16 (31 %)

 Locally grown vegetables consumption, n

14 (52 %)

11 (44 %)

25 (48 %)

 Daily consumption of alcohol, n

9 (35 %)

11 (44 %)

20 (39 %)

 Current smokers, n

5 (19 %)

5 (20 %)

10 (20 %)

Women (40–60 years)

n = 28

n = 26

n = 54

 Age, yearsa

50.3 (5.7)

51.3 (6.3)

50.8 (6.0)

 BMI, kg/m2 a

28.1 (5.7)

27.4 (7.1)

27.8 (6.3)

 Higher education, n

21 (75 %)

16 (62 %)

37 (69 %)

 Work in Ath, n

16 (59 %)

9 (39 %)

25 (50 %)

 Locally grown vegetables consumption, n

11 (39 %)

20 (77 %)

31 (57 %)

 Daily consumption of alcohol, n

7 (25 %)

9 (35 %)

16 (30 %)

 Current smokers, n

6 (21 %)

4 (15 %)

10 (19 %)

  1. aArithmetic means (standard deviation). BMI body mass index