| Outbreaks allocated due to the concordance of 3 criteria | Outbreaks allocated due to the concordance of 2 criteria | Not allocated | Total | Sig. F (p) |
Collection 1 (articles used to formulate the pathways of occupational outbreaks) | 18 | 14 | 1 | 33 | 0.407 |
Collection 2 additional collection | 13 | 8 | 3 | 24 | |
Total | 31 | 22 | 4 | 57 |