Table 1. Nutrition intervention trial case–cohort subject characteristics by case status.
| Variable | Subcohorta | ESCC | Gastric cardia | Gastric noncardia |
|---|---|---|---|---|
| Total no. | 1105 | 545 | 353 | 81 |
| Men, N (%) | 610 (55%) | 261 (48%) | 204 (58%) | 60 (74%) |
| Women, N (%) | 495 (45%) | 284 (52%) | 149 (42%) | 21 (26%) |
| Age, mean (s.d.) | 56.6 (7.9) | 56.4 (8.1) | 57.1 (7.1) | 58.5 (7.2) |
| Men, mean (s.d.) | 57.7 (7.4) | 57.4 (7.6) | 57.8 (6.9) | 59.7 (6.7) |
| Women, mean (s.d.) | 55.3 (8.3) | 55.4 (8.5) | 56.1 (7.3) | 55.1 (7.8) |
| Smoke, N (%) yes | 427 (39%) | 204 (37%) | 144 (41%) | 41 (51%) |
| Men, N (%) yes | 425 (70%) | 204 (78%) | 144 (71%) | 41 (68%) |
| Women, N (%) yes | 2 (0.4%) | 0 (0%) | 0 (0%) | 0 (0%) |
| Drink, N (%) yes | 230 (21%) | 123 (23%) | 77 (22%) | 20 (25%) |
| Men, N (%) yes | 201 (33%) | 105 (40%) | 64 (31%) | 19 (31%) |
| Women, N (%) yes | 29 (6%) | 18 (6%) | 13 (9%) | 1 (5%) |
a
Some subjects who later developed one of these cancers are included in the randomly selected subcohort. Therefore, the total number of subjects in this table is greater than the 2018 with measured serum 25(OH)D concentrations.