Age groups | |||||||||
---|---|---|---|---|---|---|---|---|---|
Characteristic | < 16 years | 16-17 years | 18-19 years | 20-30 years | |||||
(n=472) | (n=5376) | (n=23560) | (n=893505) | ||||||
BMI (kg/m2)† | 22.8 | (3.4) | 22.8 | (3.8) | 23.3 | (4.2) | 24.1 | (4.3) | |
Smoking† | 105 | (22.7%) | 1830 | (34.7%) | 7239 | (31.3%) | 114278 | (12.8%)) | |
Parity: | 1 | 469 | (99.4%) | 5208 | (96.9%) | 21287 | (90.4%) | 471470 | (52.8%) |
2 | 3 | (0.6%) | 163 | (3.0%) | 2131 | (9.0%) | 318522 | (35.6%) | |
3+ | 0 | (0%) | 5 | (0.1%) | 142 | (0.6%) | 103513 | (11.6%) |