General characteristics of the study cohort and lymphoid and myeloid leukaemia cases
| Whole cohort (n=241465) | Lymphoid leukaemia (n=237) | Myeloid leukaemia (n=201) | |
|---|---|---|---|
| Age at recruitment* | 53.01 (8.99) | 57.25 (7.28) | 57.39 (7.96) |
| Age at end of follow-up* | 64.21 (9.20) | 63.70 (7.59) | 63.69 (8.60) |
| Gender, n (%) | |||
| Male | 102 089 (42.28) | 144 (60.76) | 113 (56.22) |
| Female | 139 376 (57.72) | 93 (39.24) | 88 (43.78) |
| School degree, n (%) | |||
| None | 20 279 (8.48) | 18 (7.66) | 10 (5.05) |
| Primary school completed | 86 579 (36.19) | 75 (31.91) | 72 (36.36) |
| Technical/professional school | 59 564 (24.90) | 77 (32.77) | 52 (26.26) |
| Secondary school | 26 678 (11.15) | 20 (8.51) | 18 (9.09) |
| Longer education (incl. university degree) | 44 686 (18.68) | 44 (18.72) | 42 (21.21) |
| Not specified | 1435 (0.60) | 1 (0.43) | 4 (2.02) |
| Smoking habits, n (%) | |||
| Never | 109 102 (45.18) | 103 (43.46) | 807 (39.80) |
| Former smoker | 66 268 (27.44) | 74 (31.22) | 60 (29.85) |
| Current smoker | 62 229 (25.77) | 58 (24.47) | 56 (27.86) |
| Unknown | 3866 (1.60) | 2 (0.84) | 5 (2.49) |
| Alcohol drinking history, n (%) | |||
| Never drinkers | 20 171 (8.35) | 11 (4.64) | 10 (4.98) |
| Former drinkers | 14 544 (6.02) | 14 (5.91) | 10 (4.98) |
| Current drinkers | 12 707 (5.26) | 7 (2.95) | 6 (2.99) |
| Past and current drinkers | 186 201 (77.11) | 201 (84.81) | 160 (79.60) |
| Unknown | 7842 (3.25) | 4 (1.69) | 15 (7.46) |
| Body mass index | 2665 (4.33) | 26.62 (3.90) | 27.02 (3.91) |
| Physical activity (sex-specific quartile), n (%) | |||
| Inactive | 42 093 (17.43) | 45 (18.99) | 40 (19.90) |
| Moderately inactive | 64 973 (26.91) | 66 (27.85) | 53 (26.37) |
| Moderately active | 106 097 (43.94) | 92 (38.82) | 80 (39.80) |
| Active | 26 185 (10.84) | 32 (13.50) | 25 (12.44) |
| Missing | 2117 (0.88) | 2 (0.84) | 3 (1.49) |
| Family history of cancer, n (%) | 5415 (2.24) | 5 (8.62) | 10 (15.15) |
*Mean (SD); For individuals without self-report and measured anthropometric data, centre, age and gender-specific average values of anthropometric variables have been imputed (n=6471).