|
Demographics
|
Age at index
|
Continuous variable
|
1
|
|
Income quintile
|
Five categories
|
4
|
|
Rurality
|
Binary: yes/no
|
1
|
|
Immigrant status
|
Three categories (non-immigrant, previous (over 10 years ago), recent (10 years or less)
|
2
|
|
Ethnicity
|
Three categories (South Asian, Chinese, Other)
|
2
|
|
Lifestyle
|
Pre-pregnancy BMI, kg/m2 (self-reported)
|
Continuous
|
1-3
|
|
Lifetime Health history
|
Previous mental health condition
|
Binary: yes/no
|
1
|
|
Previous cardiovascular disease
|
Binary: yes/no
| |
|
Prior pregnancy history
|
Parity
|
Five categories (0, 1, 2, 3, > 3)
|
4
|
|
Gravidity
|
Four categories (1, 2, 3, > 3)
|
3
|
|
Previous GDM
|
Three categories: yes/no/NA
|
2
|
|
Previous gestational hypertension or preeclampsia
|
Three categories: yes/no/NA
|
2
|
|
Index pregnancy
|
50 g oral glucose challenge test, mmol/L
|
Continuous
|
1-3
|
|
GDM
|
Binary: yes/no
|
1
|
|
Preeclampsia
|
Binary: yes/no
|
1
|
|
Gestational hypertension
|
Binary: yes/no
|
1
|
|
Caesarean-section
|
Three categories: planned/emergency/no
|
1
|
|
Premature delivery
|
Binary: yes/no
|
1
|
|
Newborn
|
Birthweight
|
Continuous (for women with a multi-fetal birth, the child with the higher birthweight will be used)
|
1
|
|
Large for gestational age (LGA) birthweight > 90th
|
Binary: yes/no (for women with a multi-fetal birth, any child with a record for LGA will be used)
|
1
|
