Skip to main content

Table 4 Multivariate predictors of GDM and pre-existing diabetes among all Albertan women and all First Nations women, by ethnicity

From: Diabetes in pregnancy among First Nations women in Alberta, Canada: a retrospective analysis

 

All women

First Nations

(n = 427,058)

(n = 28,306)

Variable

OR (95% CI) for GDM

P-value

OR (95% CI) for pre-existing diabetes

P-value

OR (95% CI) for GDM

P-value

OR (95% CI) for pre-existing diabetes

P-value

First Nations ethnicity

1.47 (1.38-1.57)

<0.001

1.73 (1.52-1.96)

<0.001

Rural residence

0.69 (0.66-0.73)

<0.001

Age ≤ 17*

0.35 (0.28-0.45)

<0.001

0.29 (0.16-0.52)

<0.001

0.48 (0.34-0.67)

<0.001

0.42 (0.18-0.94)

0.035

Age ≥ 35*

2.34 (2.26-2.42)

<0.001

1.57 (1.43-1.72)

<0.001

2.81 (2.41-3.27)

<0.001

2.23 (1.64-3.02)

<0.001

Weight ≥ 91 kg

2.51 (2.40-2.61)

<0.001

2.31 (2.10-2.54)

<0.001

2.93 (2.56-3.33)

<0.001

3.25 (2.52-4.18)

<0.001

Hypertension

1.63 (1.45-1.84)

<0.001

4.45 (3.82-5.43)

<0.001

5.09 (3.03-8.58)

<0.001

Previous stillbirth

1.96 (1.75-2.18)

<0.001

2.56 (2.07-3.18)

<0.001

1.76 (1.30-2.38)

<0.001

3.05 (1.93-4.81)

<0.001

Previous abortion

1.42 (1.23-1.64)

<0.001

1.58 (1.11-2.25)

0.012

Previous cesarean section

1.37 (1.32-1.43)

<0.001

1.76 (1.61-1.94)

<0.001

1.40 (1.20-1.63)

<0.001

1.88 (1.41-2.47)

<0.001

Previous small for gestational age infant

0.53 (0.29-0.96)

0.038

Previous large for gestational age infant

2.79 (2.31-3.39)

<0.001

2.58 (1.99-3.35)

<0.001

3.23 (2.10-4.97)

<0.001

Proteinuria

1.61 (1.48-1.76)

<0.001

2.62 (2.23-3.08)

<0.001

1.85 (1.40-2.44)

<0.001

2.05 (1.26-3.32)

0.04

Smoker

0.90 (0.86-0.94)

<0.001

Drug dependant

0.51 (0.41-0.63)

<0.001

0.54 (0.39-0.74)

<0.001

Alcohol anytime

0.68 (0.50-0.93)

0.016

  1. Data presented are OR, odds ratios (95% confidence intervals);
  2. GDM, gestational diabetes mellitus.
  3. *Compared with age 18-34.