PURPOSE: It is unknown whether parental occupational exposure to chemicals before during and after pregnancy increases the risk of acute lymphoblastic leukemia (ALL) in the offspring. Few studies on this topic have assessed maternal exposures. METHODS: In an Australian case-control study of ALL in children aged <15 years, parents were asked about tasks they undertook in each job using a set of job-specific modules (JSMs). An expert reviewed the likelihood of exposure to exhausts, solvents, glues, and paints. Exposure was examined in each job 2 years, 1 year and anytime before birth of the child, and up to 1 year after birth of child. RESULTS: Solvent exposure was similar for case and control mothers in all time periods. More case mothers had moderate/high exposure to exhausts than control mothers anytime before the birth of the child (p = 0.010). Exposure to moderate or substantial levels of exhausts by mothers (OR = 1.97 95% CI 0.99-3.90) or fathers (OR = 1.37 95% CI 1.01-1.86) before the birth increased the risk of ALL in their offspring. Exposure to paints, pigments, glues, and resins was similar in case and control parents. CONCLUSION: We found little evidence that parental occupational exposure to solvents, glues, and paints was associated with childhood ALL. There was some evidence ALL was associated with exhaust exposure.
PURPOSE: It is unknown whether parental occupational exposure to chemicals before during and after pregnancy increases the risk of acute lymphoblastic leukemia (ALL) in the offspring. Few studies on this topic have assessed maternal exposures. METHODS: In an Australian case-control study of ALL in children aged <15 years, parents were asked about tasks they undertook in each job using a set of job-specific modules (JSMs). An expert reviewed the likelihood of exposure to exhausts, solvents, glues, and paints. Exposure was examined in each job 2 years, 1 year and anytime before birth of the child, and up to 1 year after birth of child. RESULTS: Solvent exposure was similar for case and control mothers in all time periods. More case mothers had moderate/high exposure to exhausts than control mothers anytime before the birth of the child (p = 0.010). Exposure to moderate or substantial levels of exhausts by mothers (OR = 1.97 95% CI 0.99-3.90) or fathers (OR = 1.37 95% CI 1.01-1.86) before the birth increased the risk of ALL in their offspring. Exposure to paints, pigments, glues, and resins was similar in case and control parents. CONCLUSION: We found little evidence that parental occupational exposure to solvents, glues, and paints was associated with childhood ALL. There was some evidence ALL was associated with exhaust exposure.
Authors: Alberto Cárceles-Álvarez; Juan A Ortega-García; Fernando A López-Hernández; Mayra Orozco-Llamas; Blanca Espinosa-López; Esther Tobarra-Sánchez; Lizbeth Alvarez Journal: Environ Res Date: 2017-04-26 Impact factor: 6.498
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Authors: Helen D Bailey; Lin Fritschi; Catherine Metayer; Claire Infante-Rivard; Corrado Magnani; Eleni Petridou; Eve Roman; Logan G Spector; Peter Kaatsch; Jacqueline Clavel; Elizabeth Milne; John D Dockerty; Deborah C Glass; Tracy Lightfoot; Lucia Miligi; Jérémie Rudant; Margarita Baka; Roberto Rondelli; Alicia Amigou; Jill Simpson; Alice Y Kang; Maria Moschovi; Joachim Schüz Journal: Cancer Causes Control Date: 2014-08-05 Impact factor: 2.506