Skip to main content

Table 2 Associations between deprivation indices and congenital heart disease

From: Associations of congenital heart disease with deprivation index by rural-urban maternal residence: a population-based retrospective cohort study in Ontario, Canada

Variable

Crude OR

Adjust OR

Material deprivation index

 1 (lowest)

Reference

Reference

 2

1.04 (0.96–1.12)

1.05 (0.97–1.13)

 3

1.11 (1.03–1.19)

1.12 (1.04–1.20)

 4

1.13 (1.05–1.21)

1.15 (1.07–1.23)

 5 (highest)

1.20 (1.12–1.28)

1.21 (1.12–1.29)

Social deprivation indexa

 1 (lowest)

Reference

Reference

 2

1.10 (1.02–1.18)

1.08 (1–1.15)

 3

1.07 (1–1.15)

1.04 (0.97–1.12)

 4

1.14 (1.06–1.22)

1.09 (1.02–1.17)

 5 (highest)

1.25 (1.17–1.34)

1.18 (1.1–1.26)

Rural residence

 Yes

1.12 (1.06–1.2)

1.13 (1.06–1.21)

 No

Reference

Reference

Maternal age at birth

  < 30 years

Reference

Reference

 30–34 years

0.94 (0.90–0.99)

1.00 (0.95–1.05)

  > 35 years

1.22 (1.16–1.28)

1.27 (1.20–1.34)

Obesity

 Yes

1.41 (1.33–1.48)

1.27 (1.20–1.34)

 No

Reference

Reference

 Unknown

1.1 (1.03–1.18)

1.13 (1.06–1.21)

ART derived pregnancy

 Yes

1.25 (1.12–1.39)

1.13 (1.01–1.26)

 No

Reference

Reference

Smoking, alcohol, or drug use during pregnancy

 Yes

1.46 (1.38–1.54)

1.31 (1.23–1.39)

 No

Reference

Reference

All types of mental health illness in pre-pregnancy or during pregnancy

 Yes

1.45 (1.37–1.53)

1.23 (1.17–1.30)

 No

Reference

Reference

Pre-pregnancy maternal health conditions

 Yes

1.86 (1.77–1.94)

1.73 (1.65–1.82)

 No

Reference

Reference

Infant sex

 Male

1.10 (1.06–1.15)

1.10 (1.06–1.15)

 Female

Reference

Reference

  1. a p trend (Cochran–Armitage test) < 0.0001