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Table 4 Association between maternal job strain during pregnancy and infant MDI stratified by sex a

From: Effect of maternal job strain during pregnancy on infant neurodevelopment by gender at 6 and 12 months: Mothers and Children’s Environmental Health (MOCEH) study

Time

Group

MDI

Total

Boys

Girls

N

Mean b

β

SE

P value

N

Mean b

β

SE

P value

N

Mean b

β

SE

P value

6 months of age

High strain

77

99.6

0.79

1.79

0.66

35

98.4

−0.31

2.68

0.91

42

101.1

2.14

2.47

0.39

Active jobs

90

97.6

−1.25

1.71

0.47

54

95.9

−2.85

2.34

0.23

36

99.5

0.61

2.55

0.81

Passive jobs

64

96.1

−2.76

1.91

0.15

30

96.5

−2.16

2.78

0.44

34

95.8

−3.10

2.67

0.25

Low strainc

75

98.8

Ref.

-

-

38

98.7

Ref.

-

-

37

98.9

Ref.

-

-

12 months of age

High strain

66

99.9

−0.16

2.94

0.96

35

96.4

−9.46

4.43

0.03

31

102.5

8.25

3.88

0.04

Active jobs

71

100.6

0.51

2.86

0.86

41

98.6

−7.30

4.08

0.08

30

103.0

8.74

3.94

0.03

Passive jobs

60

100.5

0.47

3.02

0.88

27

101.9

−3.98

4.61

0.39

33

99.8

5.56

3.86

0.15

Low strainc

55

100.1

Ref.

-

-

28

105.8

Ref.

-

-

27

94.2

Ref.

-

-

  1. aThe general linear model was used to find the association adjusted for sex, birth weight, maternal age, gestational age, maternal education, and family income.
  2. bAdjusted means for sex, birth weight, maternal age, gestational age, maternal education, and family income.
  3. cReference group (Ref.).
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Annals of Occupational and Environmental Medicine

ISSN: 2052-4374

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