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Table 3 Adjusted individual and DA-level fixed effects on continuous and term birth weight and their modification by PM2.5 (Model-4)

From: The reduction of birth weight by fine particulate matter and its modification by maternal and neighbourhood-level factors: a multilevel analysis in British Columbia, Canada

Variables

Main effect

Modification by PM2.5

Corresponding figure

β (95 % CI)

β (95 % CI)

PM2.5 a

-22.4 (-25.2 – -19.7)

4.9 (3.2 – 6.7)

1

Cigarettes/daya

-22.0 (-23.8 – -20.2)

2.8 (2.2 – 3.4)

2A

Drug/Alcohol flag

-80.6 (-93.0 – -68.2)

15.3 (4.4 – 26.2)

2B

Maternal age

-4.2 (-6.2 – -2.2)

5.5 (3.7 – 7.4)

2C

Gestational diabetes

70.2 (62.6 – 77.8)

-33.8 (-41.9 – -25.8)

2D

SESi

30.2 (27.7 – 32.7)

4.6 (2.0 – 7.2)

3A

Immigrant density

-33.3 (-35.8 – -30.7)

6.3 (3.3 – 9.2)

3B

Rural address

-29.1 (-39.1 – -19.1)

-16.4 (-24.5 – -8.3)

3C

  1. aModeled as a quadratic, Cigarettes/day quadratic term: 0.7(0.6 – 0.8); Model adjusted for gestational age, nulliparous, diabetes mellitus, gestational hypertension, prenatal care visits, season of birth, DA-level education