Table 1.
Characteristics of study participants prior to pregnancy
| Characteristic | Result |
|---|---|
| n | 40a |
| Age, years | 30.8 (4.0) |
| Gravidity | 1.6 (1.0) |
| Body mass index, kg/m2 | 23.3 (5.0) |
| Activity metabolic index, kcal/day (n = 31)b | 199.4 (279.3) |
| Gestational diabetes, n (%) | 17 (43) |
| First-phase insulin response, by IVGTT | 465.2 (295.6) |
| HOMA-2B | 95.9 (43.0) |
| Insulinogenic index (n = 30) | 1.27 (0.75) |
| Corrected insulin response (n = 31) | 0.76 (0.41) |
| Stumvoll first-phase estimate (n = 31) | 1221.8 (587.3) |
| AUCins/AUCglu(n = 31) | 0.47 (0.27) |
Data are given as mean (SD) unless otherwise noted.
Abbreviations: AUCins/AUCglu, ratio of the area under the insulin curve and the area under the glucose curve; HOMA-2B, homeostatic model assessment of beta-cell function; IVGTT, intravenous glucose tolerance test.
aUnless otherwise noted. Some glucose and insulin data were missing due to loss of intravenous access, nausea/vomiting, or laboratory analysis error.
bCalculated from the Minnesota Leisure Time Physical Activity Questionnaire.