Table 1.
Characteristics of women by adherence to postpartum glucose testing status
| Total study cohort | Adherent to postpartum testing | Nonadherent to postpartum testing | P | |
|---|---|---|---|---|
| n | 909 | 438 | 471 | |
| Age (years) | 31.7 ± 4.9 | 32.0 ± 4.5 | 31.4 ± 5.1 | 0.06 |
| Parity | 0.99 ± 1.1 | 0.87 ± 0.97 | 1.10 ± 1.20 | 0.002* |
| Ethnicity | ||||
| Caucasian | 529 (58.3) | 247 (56.4) | 282 (60.1) | 0.34 |
| Non-Caucasian | 379 (42.7) | 190 (43.4) | 189 (39.9) | |
| Previous GDM | ||||
| Present | 186 (20.6) | 83 (18.9) | 103 (21.9) | 0.28 |
| Absent | 715 (79.4) | 353 (80.6) | 362 (76.8) | |
| Family history of diabetes | ||||
| Present | 596 (66.4) | 286 (65.3) | 310 (65.8) | 0.87 |
| Absent | 301 (33.6) | 147 (33.6) | 154 (32.7) | |
| OGTT during pregnancy (mmol/l) | ||||
| Fasting | 5.0 ± 0.7 | 5.0 ± 0.7 | 5.0 ± 0.7 | 0.75 |
| 1-h PG | 10.9 ± 1.4 | 11.0 ± 1.5 | 10.9 ± 1.4 | 0.20 |
| 2-h PG | 8.8 ± 1.5 | 8.9 ± 1.6 | 8.8 ± 1.5 | 0.69 |
| GDM screen (mmol/l) | 11.5 ± 1.2 | 11.3 ± 1.5 | 11.2 ± 1.3 | 0.31 |
| Prepregnancy BMI (kg/m2) | 27.7 ± 6.5 | 27.7 ± 6.2 | 27.7 ± 6.8 | 0.85 |
| A1C during pregnancy (%) | 5.56 ± 0.53 | 5.7 ± 0.5 | 5.6 ± 0.6 | 0.88 |
| Insulin use during pregnancy | ||||
| Present | 549 (61.0) | 287 (65.6) | 262 (55.6) | 0.003* |
| Absent | 350 (38.9) | 146 (33.3) | 204 (43.3) |
Data are n (%) or means ± SD. P values were calculated with χ2 test for categorical or t test for continuous variables.
*Significantly different between women adherent and nonadherent to postpartum testing.