Number of observations and missing values (with percentage missing) for the development and validation cohorts
| Development cohort | Validation cohort | |||
|---|---|---|---|---|
| Variable | Number of observations | Missing (%) | Number of observations | Missing (%) |
| Age | 2514 | 15 (0.6) | 647 | 0 (0) |
| History of hypertension in parents | 2498 | 31 (1.2) | 647 | 0 (0) |
| Height | 2435 | 94 (3.7) | 646 | 1 (0.2) |
| Weight | 2522 | 7 (0.3) | 646 | 1 (0.2) |
| Systolic BP | 2523 | 6 (0.23) | 646 | 1 (0.2) |
| Diastolic BP | 2522 | 7 (0.3) | 646 | 1 (0.2) |
| Parity | 2527 | 2 (0.08) | 647 | 0 (0) |
| Previous history of gestational hypertension | 2395 | 134 (5.3) | 504 | 143 (22.1) |