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Risk factor frequencies: BCEES cases (n = 871) and controls (n = 1297) who specified one or more causes
| Risk factors a | Cases N (%) | Controls N (%) |
|---|---|---|
| Mental/emotional | 404 (46.4) | 388 (29.9) |
| Modifiable/lifestyle | 336 (38.6) | 611 (47.1) |
| Physiological | 327 (37.5) | 291 (22.4) |
| Environmental | 271 (31.1) | 589 (45.4) |
| Genetic | 250 (28.7) | 1006 (77.6) |
| Chance | 78 (9.0) | 84 (6.5) |
aNote: totals exceed 100% as respondents could identify agents from multiple categories.
