ALS cases | Controls | |
---|---|---|
N | 1143 | 11,371 |
Age at index date, years | 67.4 (12.5) | 67.1 (12.5) |
Range | 23-95 | 20-97 |
Gender [% women] | 44.8 | 44.9 |
Smoking [%] | ||
Never | 33.0 | 32.7 |
Missing | 16.7 | 18.0 |
Ever | 50.3 | 49.4 |
Former | 23.9 | 23.7 |
Current | 26.4 | 25.7 |
Non-heavy smokers | 45.1 | 44.5 |
Heavy smokers | 5.2 | 4.9 |
Body mass index, kg/m2 [%] * | ||
<20 | 3.6 | 3.2 |
20-24.9 | 33.1 | 30.1 |
25-29.9 | 29.5 | 30.7 |
≥30 | 9.5 | 11.9 |
Missing | 24.3 | 24.2 |
Time between first smoking assessment and index date, years | 14.1 (9.4) | 14.0 (9.2) |
Diagnosis [%] | ||
ALS/MND | 88.6 | |
PBP | 8.8 | |
PMA | 1.4 | |
PLS | 1.2 | |
Follow-up after diagnosis, years | 2.1 (2.7) |