Table 1 Study characteristics of analytical sample stratified by cancer status
From: Investigating the association between cancer and dementia risk: a longitudinal cohort study
Characteristics | Participants with cancer history (n=26,095 ) | Participants without cancer history (n=237,056 ) |
|---|---|---|
Age at cancer diagnosis, mean (SD), years | 62.14 (5.02) | 60.07 (5.40) |
BMI, mean (SD) | 27.47 (4.70) | 27.68 (4.78) |
Age at entry, n (%) | ||
50–60 years | 7201 (27.60) | 102,718 (43.33) |
≥60 years | 18,894 (72.40) | 134,338 (56.67) |
Sex (female, %) | 15,348 (58.81) | 127,476 (53.77) |
ApoE4 carrier | 7088 (27.16) | 65,523 (27.64) |
College, n (%) | ||
Yes | 11,101 (42.54) | 103,445 (43.64) |
No | 8310 (31.85) | 78,651 (33.18) |
Unknown | 6684 (25.61) | 54,960 (23.18) |
Smoking, n (%) | ||
Never | 13,111 (50.24) | 124,033 (52.32) |
Previous | 10,678 (40.92) | 89,766 (37.87) |
Current | 2182 (8.36) | 22,317 (9.41) |
Unknown | 124 (0.48) | 940 (0.40) |
Alcohol, n (%) | ||
Never | 1069 (4.10) | 8376 (3.53) |
Previous | 1026 (3.93) | 8704 (3.67) |
Current | 23,972 (91.86) | 219,753 (92.70) |
Unknown | 28 (0.11) | 223 (0.09) |
Co-morbidities, n (%) | ||
Diabetes | 3026 (11.60) | 24,973 (10.53) |
Hypertension | 11,686 (44.78) | 92,207 (38.90) |
Stroke | 1997 (7.65) | 14,857 (6.27) |
Obesity | 2800 (10.73) | 26,007 (10.97) |
Heart failure | 5922 (22.69) | 44,007 (18.56) |
Follow-up years, median (interquartile range) | 9.28 (5.55-13.01) | 9.17 (5.65-12.69) |
Types of dementia | ||
ACD, n (%) | 472 (1.81) | 3685 (1.55) |
AD, n (%) | 208 (0.80) | 1670 (0.70) |
VD, n (%) | 103 (0.39) | 862 (0.36) |