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Table 2 Distribution of selected characteristics among males by age, NHANES 1999–2002, phthalate subsample

From: Association of urinary phthalate metabolite concentrations with body mass index and waist circumference: a cross-sectional study of NHANES data, 1999–2002

 

Males

Characteristics

6–11 yrs (n = 329)

12–19 yrs (n = 662)

20–59 yrs (n = 895)

60–80 yrs (n = 365)

Phthalate metabolites1 (% above LOD2)

Geometric mean (SD), μg/gm creatinine

   MEP (99)

93.9 (2.9)

137.0 (3.5)

182.1 (4.1)

184.8 (5.5)

   MBP (99)

38.0 (2.2)

19.3 (2.2)

15.3 (2.1)

17.5 (2.5)

   MBzP (98)

34.7 (2.6)

15.7 (2.8)

10.1 (2.5)

9.5 (3.1)

   MEHP (81)

5.5 (3.1)

2.7 (3.0)

3.3 (3.2)

2.5 (2.9)

   MEOHP (97)

26.6 (2.4)

12.2 (2.8)

10.6 (2.8)

9.2 (2.7)

   MEHHP (98)

39.1 (2.4)

18.2 (2.8)

16.6 (3.0)

13.2 (2.9)

 

Arithmetic mean (SD)

Age (yrs)

8.6 (1.6)

15.4 (2.30)

38.8 (11.1)

68.7 (6.0)

BMI (kg/m2)

18.7 (4.1)

23.6 (5.5)

27.9 (5.6)

28.1 (4.7)

Waist circumference (cm)

65.3 (12.1)

81.8 (15.1)

97.6 (15.3)

103.6 (12.1)

Height (cm)

135.6 (11.5)

169.3 (11.1)

175.5 (7.9)

172.2 (7.3)

Creatinine (mg/dL)

110.2 (57.2)

176.0 (93.7)

166.8 (91.1)

132.7 (77.0)

Physical activity (met equiv hrs/month)

N/A

217.8 (295.4)

96.4 (196.1)

59.6 (141.3)

Dietary intake

    

   % kilocalories from total fat

33.2 (7.3)

32.1 (7.8)

31.8 (10.0)

33.1 (9.6)

   Fruit & veg (servings/day)

3.8 (2.8)

4.1 (3.9)

5.1 (4.2)

5.0 (3.9)

   Dairy (servings/day)

2.1 (1.4)

2.0 (1.8)

1.6 (1.9)

1.4 (1.6)

 

Column percent

Socioeconomic status (% low)

35.0

35.5

27.3

35.1

Race/ethnicity

    

   African American

33.7

29.5

19.7

16.7

   Hispanic

35.0

40.0

29.8

26.6

   Whites and others

31.3

30.5

50.5

56.7

Television viewing (% >2.5 hrs/day)

53.2

56.2

43.9

48.0

Smoking (% current)

N/A

N/A

31.1

16.4

  1. 1 μg/g creatinine
  2. 2 level of detection