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Table 3 Creatinine corrected dialkylphosphate metabolite urinary concentrations (mean of 16w and 26w measures) by maternal and child characteristics

From: Impact of low-level gestational exposure to organophosphate pesticides on neurobehavior in early infancy: a prospective study

Characteristic

Value

N

DE

DM

DAP

   

G-Meana

95% CI

G-Mean a

95% CI

G-Mean a

95% CI

Sex

Female (ref)

187

9.0

7.1 – 11.4

46.3

37.8 – 56.6

71.1

59.5 – 84.9

Male

163

9.9

7.9 – 12.4

46.6

37.8 – 57.4

76.4

64 – 91.3

Race

Non-Black (ref)

246

10.7

8.8 – 13.0

55.6

47.1 – 65.5

87.7

76.2 – 101

Black

104

6.9 *

5.1 – 9.4

30.3 *

23 – 40

48.4 *

37.9 – 61.8

Maternal education

≤ HS graduate (ref)

74

6.6

4.6 – 9.4

27.9

20 – 38.9

44.7

33.7 – 59.4

Some college

91

6.3

4.4 – 9

33.3

26.1 – 42.4

51.8

41.5 – 64.7

College graduate

107

11.4 *

8.5 – 15.3

65.9 *

52 – 83.5

101.3 *

82 – 125

Graduate/Professional degree

78

16.1 *

12.4 – 21.1

68.5 *

49.4 – 95.1

114.1 *

88.5 – 147.2

Marital status

Married (ref)

235

11.4

9.4 – 13.8

58.1

49.2 – 68.8

91.3

79 – 105.6

Not married, living with partner

48

7.0

4.3 –11.6

25.0 *

16.9 – 37.1

44.5 *

31.1 – 63.6

Not married, living alone

67

5.9 *

4.0 –8.5

32.8 *

23.3 – 46.2

49.2 *

37.0 – 65.5

Maternal employment

Not employed (ref)

62

6.8

4.3 – 10.5

32.9

23.4 – 46

51.8

37.8 – 71.1

Employed

288

10.1

8.5 – 12

50.0 *

42.6 – 58.6

79.3 *

69.2 – 90.8

Fresh fruit & vegetable intake

< Daily (ref)

135

7.0

5.3 – 9.2

33.6

26.8 – 42.1

53.7

44 – 65.4

≥ Daily

215

11.3 *

9.3 – 13.9

56.9 *

47.4 – 68.3

89.6 *

76.5 – 104.9

Organic Use

None (ref)

188

8.6

6.8 – 10.8

38.0

31.1 – 46.5

63.1

53 – 75.1

Any

162

10.4

8.2 – 13.2

58.5 *

47.7 – 71.7

87.8 *

73.4 – 105

  1. a G-Mean = Geometric Mean in nmol/g creatinine, * indicates significant difference compared to reference group (p < 0.05).