Table 2.
Maternal characteristics by type of diabetes. Values are numbers (percentages) unless stated otherwise
| Women with type 1 diabetes (n=1707) | Women with type 2 diabetes (n=652) | |
|---|---|---|
| Median (IQR) age (years) at onset of diabetes | 15 (9-23) | 29 (25-34) |
| Median (IQR) age (years) at delivery | 30 (26-34) | 34 (30-37) |
| Ethnicity: | ||
| White | 1549 (90.7) | 331 (50.8) |
| Black African | 23 (1.4) | 47 (7.2) |
| Black Caribbean | 27 (1.6) | 33 (5.1) |
| Black other | 4 (0.2) | 3 (0.5) |
| Indian | 25 (1.5) | 47 (7.2) |
| Pakistani | 24 (1.4) | 106 (16.3) |
| Bangladeshi | 7 (0.4) | 47 (7.2) |
| Chinese | 1 (0.1) | 2 (0.3) |
| Other | 45 (2.6) | 33 (5.1) |
| Not known | 2 (0.1) | 3 (0.5) |
| Multiparous | 925 (54.2) | 495 (75.9) |
| Deprivation fifth*: | ||
| 1 (least deprived) | 260 (16.7) | 40 (6.4) |
| 2 | 288 (18.5) | 66 (10.5) |
| 3 | 313 (20.1) | 81 (12.9) |
| 4 | 307 (19.7) | 145 (23.1) |
| 5 (most deprived) | 355 (22.8) | 291 (46.3) |
| Not known | 35 (2.2) | 5 (0.8) |
| Resident in Wales or Northern Ireland 149 24 |
IQR=interquartile range.
*
Percentages calculated only for women resident in England.