Table 3.
Distribution of pre-pregnancy BMI and outcomes at research clinic assessment (2009–2011) with IPI
| IPI n=1268 |
||||||
|---|---|---|---|---|---|---|
| ≤15 months | 16–27 months | >27 months | ||||
| n= | n=271 | n= | n=415 | n= | n=582 | |
| Mean (SD) | ||||||
| Pre-pregnancy BMI (kg/m2) | 260 | 22.6 (2.8) | 399 | 22.5 (3.4) | 553 | 22.7 (3.4) |
| BMI (kg/m2) | 203 | 25.9 (4.5) | 313 | 25.8 (4.7) | 433 | 26.1 (4.8) |
| Waist (cm) | 203 | 82.6 (11.4) | 313 | 82.6 (11.2) | 433 | 83.3 (11.2) |
| SBP (mm Hg) | 202 | 118.1 (12.5) | 304 | 118 (12.3) | 424 | 117.4 (12.5) |
| DBP (mm Hg) | 202 | 71.7 (8.3) | 304 | 71.7 (8.5) | 424 | 71.4 (8.1) |
| Heart rate | 202 | 84.3 (11.1) | 304 | 83.7 (10.7) | 424 | 83.6 (11) |
| Fat mass (kg) | 204 | 26 (10.1) | 314 | 25.9 (9.9) | 428 | 26.3 (10.1) |
| Average arterial distensibility (mm) | 204 | 0.5 (0.1) | 315 | 0.5 (0.1) | 430 | 0.5 (0.1) |
| Common carotid intima (mm) | 204 | 0.6 (0.1) | 315 | 0.6 (0.1) | 430 | 0.6 (0.1) |
| Cholesterol (mmol/L) | 194 | 4.9 (0.8) | 303 | 5 (0.9) | 410 | 4.9 (0.9) |
| HDL (mmol/L) | 194 | 1.5 (0.4) | 303 | 1.5 (0.4) | 410 | 1.5 (0.4) |
| Non-HDL cholesterol (mmol/L) | 194 | 3.4 (0.9) | 303 | 3.5 (0.9) | 410 | 3.4 (0.9) |
| Median (IQR) | ||||||
| Insulin (µ/L) | 193 | 4.3 (3.2 to 6.4) | 301 | 4.3 (3 to 6.3) | 408 | 4.6 (3.3 to 6.8) |
| Proinsulin (pu/L) | 194 | 5 (3.6 to 7.3) | 302 | 4.9 (3.5 to 6.6) | 409 | 5.1 (3.6 to 7.9) |
| Triglyceride (mmol/L) | 194 | 0.8 (0.6 to 1.1) | 303 | 0.9 (0.7 to 1.2) | 410 | 0.9 (0.7 to 1.1) |
| C reactive protein (mg/L) | 194 | 0.9 (0.4 to 1.9) | 303 | 0.9 (0.5 to 2) | 410 | 1 (0.5 to 2.5) |
| Glucose (mmol/L) | 194 | 5.2 (4.9 to 5.4) | 303 | 5.2 (4.9 to 5.4) | 410 | 5.1 (4.9 to 5.4) |
BMI, body mass index; DBP, diastolic blood pressure; HDL, high-density lipoprotein; IPI, interpregnancy interval; SBP, systolic blood pressure.