Table 1 Baseline characteristics of the UK Biobank analysis cohort, overall, by sex, and in those who developed any malignant cancer
Characteristics | All (N = 44,645) | Women (n = 23,274) | Men (n = 21,371) | Developed a malignant cancer (n = 4921) |
|---|---|---|---|---|
Sociodemographic | ||||
Age (years) | 57.0 (8.3) | 57.0 (8.1) | 57.1 (8.4) | 60.6 (7.0) |
Townsend deprivation, n (%) | ||||
Most deprived | 9416 (21.1%) | 4797 (20.6%) | 4619 (21.6%) | 1066 (21.7%) |
Lifestyle | ||||
Physical activity level, n (%) | ||||
High ≥50 METs | 7927 (17.8%) | 3644 (15.7%) | 4283 (20.0%) | 852 (17.3%) |
Smoking, n (%) | ||||
Never | 24,481 (54.8%) | 13,980 (60.1%) | 10,501 (49.1%) | 2220 (45.1%) |
Current ≥15 cigarettes/day | 1818 (4.1%) | 752 (3.2%) | 1066 (5.0%) | 315 (6.4%) |
Alcohol intake, n (%) | ||||
non-drinkers | 3586 (8.0%) | 2240 (9.6%) | 1346 (6.3%) | 359 (7.3%) |
≥20 g/day | 12,563 (28.1%) | 3230 (13.9%) | 9333 (43.7%) | 1578 (32.1%) |
Anthropometric | ||||
Standing height in cm | 168.7 (9.3) | 162.4 (6.4) | 175.6 (6.9) | 169.6 (9.1) |
Body mass index (kg/m2) | 27.3 (4.6) | 27.0 (5.1) | 27.6 (4.0) | 27.6 (4.6) |
Women’s Health | ||||
Parity in women, n (%) | ||||
Nulliparous | – | 4257 (9.5) | – | 416 (19.1%) |
Age at first menarche in women, n (%) | ||||
<12 years | – | 4467 (19.2%) | – | 441 (20.3%) |
Menopausal status in women, n (%) | ||||
Postmenopausal | – | 16,580 (71.2%) | – | 1760 (80.9%) |
Hormone replacement therapy use in women, n (%) | ||||
Never | – | 15,036 (64.6%) | – | 1256 (57.7%) |
Oral contraceptive pill use in women, n (%) | ||||
Never | – | 4683 (20.1) | – | 490 (22.5) |
