Table 1 Maternal and infant characteristics of study population
From: Neighbourhood maternal socioeconomic status indicators and risk of congenital heart disease
Variable* | Total cohort (n = 804,292) |
|---|---|
Maternal pre-pregnancy body mass index (BMI) in kg/m2 | 25.09 ± 6.09 |
Maternal age at birth in years, mean ± SD | 30.56 ± 5.32 |
Obesity, BMI ≥ 30 kg/m2, yes,#(%) | 122,494 (17.35) |
ART conception, yes, #(%) | 25,408 (3.16) |
Maternal smoking or social drug use or alcohol consumption, yes, #(%) | 96,313 (12.27) |
 Maternal smoking, yes, #(%) | 79,502 (10.27) |
 Maternal alcohol consumption, yes,#(%) | 17,652 (2.33) |
 Maternal social drug use, yes, #(%) | 17,256 (2.27) |
All types of mental health illness in pre-pregnancy or during pregnancy, yes, #(%) | 119,522 (14.86) |
 Schizophrenia or bipolar diseases in pre-pregnancy or during pregnancy, yes, #(%) | 4482 (0.56) |
 Depression in pre-pregnancy or during pregnancy, yes, #(%) | 59,306 (7.37) |
 Anxiety in pre-pregnancy or during pregnancy, yes, #(%) | 67,139 (8.35) |
Pre_maternal health condition, yes, #(%) | 149,593 (18.6) |
 Chronic hypertension, yes, #(%) | 7464 (0.93) |
 Type I or type II diabetes, yes, #(%) | 8769 (1.09) |
 History of heart disease, yes, #(%) | 16,564 (2.06) |
 History of pulmonary disease, yes, #(%) | 31,300 (3.89) |
 History of endocrine disease, yes, #(%) | 39,792 (4.95) |
Baby sex, male, #(%) | 412,809 (51.38) |
Baby GA at birth, mean ± SD | 38.79 ± 2.12 |
Rural residence, yes, #(%) | 93,402 (11.7) |