Table 1.
Participant characteristics by measures of adiposity at birth, childhood, early adulthood and by recent body mass index and details of follow‐up
| Birth weighta | Relative size at age 10 years | Relative size at age 20 years | Recent body mass index (kg/m2) | All women | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| <2.5 kg | 2.5‐3.9 kg | >=4.0 kg | Thinner | Average | Plumper | Small | Medium | Large | <25.0 | 25.0‐29.9 | 30.0+ | ||
| Number of women (%) | 139 097 | 149 853 | 139 535 | 234 328 | 397 982 | 112 963 | 224 602 | 286 770 | 233 901 | 339 645 | 279 653 | 125 975 | 745 273 |
| Age at baseline (mean, SD) | 59.8 (4.8) | 59.6 (4.8) | 59.8 (4.9) | 60.3 (4.9) | 60.2 (4.9) | 59.3 (4.8) | 59.7 (4.7) | 60.2 (4.9) | 60.4 (5.0) | 59.9 (5.0) | 60.3 (4.9) | 60.0 (4.8) | 60.1 (4.9) |
| Year of birth (mean, SD) | 1942 (5) | 1942 (5) | 1942 (5) | 1942 (5) | 1942 (5) | 1942 (5) | 1942 (5) | 1942 (5) | 1941 (5) | 1942 (5) | 1941 (5) | 1942 (5) | 1942 (5) |
| Characteristics at baseline | |||||||||||||
| Adult height in cm (mean, SD) | 160.7 (6.6) | 162.6 (6.4) | 163.9 (6.6) | 162.6 (6.9) | 162.1 (6.5) | 161.9 (6.7) | 159.9 (6.2) | 162.4 (6.3) | 164.3 (6.8) | 163.3 (6.5) | 161.6 (6.4) | 160.6 (7.0) | 162.2 (6.7) |
| Lowest socioeconomic quintile (%) | 20 | 18 | 19 | 21 | 19 | 21 | 19 | 19 | 21 | 17 | 20 | 27 | 20 |
| Current smoker (%) | 12 | 11 | 12 | 11 | 12 | 15 | 13 | 12 | 12 | 14 | 11 | 9 | 12 |
| Alcohol consumption in g/day (mean, SD) | 6.3 (8.3) | 7.0 (8.7) | 7.0 (8.9) | 6.4 (8.5) | 6.6 (8.5) | 6.5 (8.8) | 7.1 (8.8) | 6.8 (8.6) | 5.6 (8.1) | 7.3 (8.8) | 6.3 (8.4) | 4.6 (7.8) | 6.5 (8.5) |
| Strenuous exercise less than 1 time per week (%) | 57 | 55 | 56 | 59 | 56 | 59 | 56 | 56 | 60 | 52 | 59 | 69 | 58 |
| Follow‐up (years) | 10.9 (2.6) | 10.9 (2.6) | 10.8 (2.6) | 10.8 (2.6) | 10.9 (2.6) | 10.9 (2.6) | 10.8 (2.5) | 10.9 (2.6) | 10.8 (2.7) | 10.9 (2.6) | 10.9 (2.6) | 10.7 (2.7) | 10.9 (2.6) |
| Number of lymphoid malignancies | 1024 | 1103 | 1153 | 1717 | 3149 | 899 | 1472 | 2122 | 2171 | 2470 | 2143 | 1152 | 5765 |
a
Numbers of birth weight categories do not add up to total number because of missing values