Table 1.
Demographics of women booking for pregnancy care by season
| Spring | Summer | Autumn | Winter | |
|---|---|---|---|---|
| n (% missing) | 6811 (4.2) | 7078 (5.0) | 7242 (3.3) | 5659 (8.2) |
| Age, years | 32.41 (5.28) | 32.29 (5.39) | 31.91 (5.45)* | 32.33 (5.39) |
| Height, m | 1.64 (0.07) | 1.64 (0.07) | 1.64 (0.07) | 1.64 (0.07) |
| Weight, kg | 68.5 (14.8) | 68.3 (15.0) | 68.7 (15.1) | 68.9 (14.9) |
| BMI | 25.6 (5.3) | 25.6 (5.4) | 25.6 (5.5) | 25.7 (5.3) |
| N (no missing cases) | 7108 | 7447 | 7488 | 6165 |
| White European (%) | 3358 (47.2) | 3528 (47.4) | 3610 (48.2) | 2947 (47.8) |
| South Asian (%) | 1023 (14.4)** | 1058 (14.2)*** | 1140 (15.2)**, *** | 879 (14.3) |
| Black African/Caribbean (%) | 700 (9.8) | 793 (10.6) | 812 (10.8) | 675 (10.9) |
| Other or not classified (%) | 2027 (28.5) | 2068 (27.8) | 7685 (25.7) | 1664 (27.0) |
Values are mean (SD) unless otherwise stated.
*
P < 0.001 compared with the other three seasons.
**
P = 0.018.
***
P = 0.045.