Time period | Variable | % | 95% CI* |
Prepregnancy | Primary care visit (preconception) | 17.5 | 16.9 to 18.2 |
Preventive behavior: | |||
Influenza shot in preconception year | 22.8 | 22.0 to 23.5 | |
Pregnancy | Prenatal care: | ||
First trimester initiation | 65.5 | 64.6 to 66.3 | |
Postpartum | Postpartum visit | 39.6 | 38.8 to 40.5 |
Any glucose test within 56 days | 5.8 | 5.4 to 6.3 | |
Test type, recommended postpartum period | |||
(not exclusive): fasting blood glucose (FBG) | 38.7 | 35.1 to 42.3 | |
Hemoglobin A1c (HbA1c) | 36 | 32.5 to 39.5 | |
Oral glucose tolerance test (OGTT) | 60.2 | 56.6 to 63.8 | |
By 1 year | Primary care visit | 13.8 | 13.2 to 14.4 |
Any glucose test | 21.8 | 21.1 to 22.5 | |
By 3 years | Primary care visit | 40.5 | 39.6 to 41.3 |
Any glucose test | 51 | 50.1 to 51.9 | |
# Glucose tests per person (SD) | 2.6 (2.1) | 2.5 to 2.6 | |
Test type (not exclusive): | |||
FBG | 37.6 | 36.4 to 38.8 | |
HbA1c | 63.2 | 62.0 to 64.3 | |
OGTT | 48.1 | 46.9 to 49.3 | |
Outcomes (year 3) | Postindex pregnancy | 17.4 | 16.7 to 18.0 |
Repeat GDM (among repeat pregnancies) | 52.2 | 50.1 to 54.3 | |
T2DM onset within 3 years after delivery | 7.6 | 7.2 to 8.1 |
*Boldface indicates statistical significance