Table 1.
Perinatal characteristics of singleton, live born, traced children born at Uppsala Academic Hospital 1915-29 at birth and at age 1, 15, and 65 years. Numbers in parentheses are number of subjects
| Characteristic | Birth | Age 1 year | Age 15 years | Age 65 years |
|---|---|---|---|---|
| Mean birth weight (g) | 3429 (13 363) | 3460 (12 537) | 3463 (12 062) | 3461 (9 967) |
| Proportion (%) <2500 g | 4.7 | 3.3 | 3.2 | 3.2 |
| Median gestation (days) | 280 (12 997) | 281 (12 194) | 281 (11 738) | 281 (9 706) |
| Proportion (%) born <37 weeks’ gestation | 8.6 | 7.3 | 7.2 | 7.1 |
| Mean birth length (cm) | 50.7 (13 328) | 50.9 (12 502) | 50.9 (12 027) | 50.8 (9 939) |
| Mean ponderal index (kg/m3) | 26.1 (13 321) | 26.2 (12 501) | 26.2 (12 062) | 26.3 (9 938) |