Table 3.
Crude and age-adjusted prevalence of GDM and pre-existing diabetes for all years (n = 427,058) and for the most recent year of data (2009; n = 51,231), by ethnicity, Alberta, Canada
| First Nations | Non-First Nations | Rate ratio * | P-value | |
|---|---|---|---|---|
| Crude |
|
|
|
|
| GDM (all years) |
4.3 (4.3-4.4) |
3.8 (3.8-3.9) |
1.1 |
<0.001 |
| GDM (2009) |
4.9 (4.2-4.6) |
4.8 (4.6-5.0) |
1.0 |
0.861 |
| Pre-existing diabetes (all years) |
1.0 (1.0-1.1) |
0.6 (0.6-0.7) |
1.7 |
<0.001 |
| Pre-existing diabetes (2009) |
1.1 (0.8-1.5) |
0.7 (0.6-0.8) |
1.6 |
0.006 |
| Age-adjusted |
|
|
|
|
| GDM (all years) |
6.1 (6.0-6.1) |
3.8 (3.7-3.9) |
1.6 |
<0.001 |
| GDM (2009) |
6.9 (6.8-6.9) |
4.6 (4.6-4.7) |
1.5 |
<0.001 |
| Pre-existing diabetes (all years) |
1.5 (1.4-1.5) |
0.6 (0.6-0.6) |
2.5 |
<0.001 |
| Pre-existing diabetes (2009) | 1.4 (1.3-1.4) | 0.7 (0.6-0.7) | 2.0 | <0.001 |
Data presented are percentage (95% confidence interval).
GDM, gestational diabetes mellitus.
*First Nations-to-non-First Nations.