Table 4 The associations between exposure to organochlorines (2-fold increase) and birth weight (grams) by maternal hardships among the MIREC study participants in Canada, 2008–2011

Low education

Low income

Immigrant

Low supplemental folic acid intake (< 400 \(\mu\)g/day)

Lone parenthood

Racially minoritized background

Student

Yes

n = 160

(9%)

No

n = 1649

(91%)

Yes

n = 72

(4%)

No

n = 1698

(96%)

Yes

n = 370

(19%)

No

n = 1612

(81%)

Yes

n = 104

(5%)

No

n = 1878

(95%)

Yes

n = 87

(5%)

No

n = 1769

(95%)

Yes

n = 160

(9%)

No

n = 1649

(91%)

Yes

n = 82

(5%)

No

n = 1439

(95%)

trans-Nonachlor

-

-

-128 (-238, -19)^**

-39 (-69, -10)^**

-44 (-90, 2)^*

-33 (-67, 1)^*

-

-

-43 (-151, 64)

-36 (-65, -7)^**

-

-

-

-

PCB 118

-

-

76 (-70, 221)

-16 (-43, 12)

-

-

-87 (-194, 19)

-7 (-35, 20)

-1 (-111, 108)

-12 (-39, 15)

-28 (-87, 31)

-8 (-37, 21)

-

-

PCB 180

-

-

-

-

-32 (-65, 1)^*

-8 (-36, 20)

-

-

29 (-44, 102)

-21 (-42, 0)^*

-

-

-

-

Aroclor 1260

-

-

-

-

-

-

-

-

-

-

-34 (-80, 13)

-17 (-42, 7)

-48 (-102, 6)*

-13 (-37, 11)

Oxychlordane

21 (-69, 111)

-30 (-60, -0)^**

-124 (-236, -12)^**

-28 (-58, 2)^*

-

-

-

-

-

-

4 (-50, 57)

-35 (-68, -3)**

-93 (-177, -8)**

-19 (-49, 11)

DDE

-

-

-

-

-

-

26 (-41, 92)

-15 (-36, 5)

-

-

-

-

-

-