Characteristics of study subjects
| n (%) | Mean (SD) | ||
|---|---|---|---|
| CHD, coronary heart disease. | |||
| Demographic | |||
| Maternal age | 29 (6) | ||
| Missing | 4 | ||
| Deprivation category | 1 | 278 (8) | |
| 2 | 580 (18) | ||
| 3 | 532 (16) | ||
| 4 | 927 (28) | ||
| 5 | 983 (30) | ||
| Missing | 11 | ||
| CHD risk factors | |||
| Smoking status | Non | 1801 (54) | |
| Current | 548 (17) | ||
| Ex | 962 (29) | ||
| Missing | 0 | ||
| Alcohol consumption | No | 1302 (40) | |
| Yes | 1954 (60) | ||
| Missing | 55 | ||
| Diabetes mellitus | No | 3289 (99) | |
| Yes | 22 (1) | ||
| Missing | 0 | ||
| Body mass index (kg/m2) | 25 (5) | ||
| Missing | 2 | ||
| Pregnancy outcomes | |||
| Infant sex | Male | 1606 (49) | |
| Female | 1704 (51) | ||
| Missing | 1 | ||
| Low birth weight | No | 3121 (94) | |
| Yes | 190 (6) | ||
| Missing | 0 | ||
| Preterm delivery | No | 3047 (93) | |
| Yes | 214 (7) | ||
| Missing | 50 | ||
| Parous | No | 1755 (53) | |
| Yes | 1556 (47) | ||
| Missing | 0 | ||
| Pre-eclampsia | No | 2993 (90) | |
| Yes | 318 (10) | ||
| Missing | 0 | ||
| Family history of CHD | No | 2270 (69) | |
| Yes | 1040 (31) | ||
| Missing | 1 | ||