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- Title
Leukaemia and occupation: a New Zealand Cancer Registry-based case-control Study.
- Authors
David McLean; Andrea t Mannetje; Evan Dryson; Chris Walls; Fiona McKenzie; Milena Maule; Soo Cheng; Chris Cunningham; Hans Kromhout; Paolo Boffetta; Aaron Blair; Neil Pearce
- Abstract
Background To examine the association between occupation and leukaemia. Methods We interviewed 225 cases (aged 20–75 years) notified to the New Zealand Cancer Registry during 2003–04, and 471 controls randomly selected from the Electoral Roll collecting demographic details, information on potential confounders and a comprehensive employment history. Associations between occupation and leukaemia were analysed using logistic regression adjusted for gender, age, ethnicity and smoking. Results Elevated odds ratios (ORs) were observed in agricultural sectors including horticulture/fruit growing (OR: 2.62, 95% confidence interval (CI): 1.51, 4.55), plant nurseries (OR: 7.51, 95% CI: 1.85, 30.38) and vegetable growing (OR: 3.14, 95% CI: 1.18, 8.40); and appeared greater in women (ORs: 4.71, 7.75 and 7.98, respectively). Elevated ORs were also observed in market farmers/crop growers (OR: 1.84, 95% CI: 1.12, 3.02), field crop/vegetable growers (OR: 3.98, 95% CI: 1.46, 10.85), market gardeners (OR: 5.50, 95% CI: 1.59, 19.02), and nursery growers/workers (OR: 4.23, 95% CI: 1.34, 13.35); also greater in women (ORs: 3.48, 7.62, 15.74 and 11.70, respectively). These elevated ORs were predominantly for chronic lymphocytic leukaemia (CLL). Several associations persisted after semi-Bayes adjustment. Elevated ORs were observed in rubber/plastics products machine operators (OR: 3.76, 95% CI: 1.08, 13.08), predominantly in plastic product manufacturing. CLL was also elevated in tailors and dressmakers (OR: 7.01, 95% CI: 1.78, 27.68), cleaners (OR: 2.04, 95% CI: 1.00, 4.14) and builders labourers (OR: 4.03, 95% CI: 1.30, 12.53). Conclusions These findings suggest increased leukaemia risks associated with certain agricultural, manufacturing, construction and service occupations in New Zealand.
- Subjects
NEW Zealand; WOMEN consumers; PRELEUKEMIA; CANCER education
- Publication
International Journal of Epidemiology, 2009, Vol 38, Issue 2, p594
- ISSN
0300-5771
- Publication type
Article
- DOI
10.1093/ije/dyn220