Father | |||||||||
---|---|---|---|---|---|---|---|---|---|
Time period* | Leukaemia | ALL | |||||||
Exp. cases | Exp. controls | OR | 95% CI | Exp. cases | Exp. controls | OR | 95% CI | ||
Lead | Ever | 49 | 47 | 1.7 | 1.1 to 2.5 | 42 | 47 | 1.6 | 1.1 to 2.6 |
Preconception | 44 | 40 | 1.7 | 1.1 to 2.7 | 38 | 40 | 1.7 | 1.1 to 2.8 | |
Pregnancy | 43 | 43 | 1.6 | 1.0 to 2.4 | 38 | 43 | 1.6 | 1.0 to 2.5 | |
Postnatal | 48 | 47 | 1.6 | 1.1 to 2.5 | 41 | 47 | 1.6 | 1.0 to 2.4 |
ORs (adjusted by gender, age and area) and 95% CIs are for leukaemia and ALL by parental exposure to agents other than solvents at all intensity levels where probability of exposure is medium or high.
*Time periods: ever indicates exposed from 1 year before conception to diagnosis; preconception indicates exposure 1 year before conception; pregnancy indicates exposure during pregnancy; and postnatal indicates exposure from date of child's birth to diagnosis.
ALL, acute lymphoblastic leukaemia; Exp., exposed; PAH, polycyclic aromatic hydrocarbons; SETIL, Italian Multicentric Epidemiological Study on Risk Factors for Childhood Leukaemia and Non-Hodgkin's Lymphoma.