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Exposure to farm crops, livestock, and farm tasks and risk of glioma: the Upper Midwest Health Study.
Am J Epidemiol. 2009 Jun 15; 169(12):1479-91.AJ

Abstract

Some studies of brain cancer have found an excess risk for farmers. The National Institute for Occupational Safety and Health previously found no increased glioma risk for ever (vs. never) being exposed to pesticides on a farm among 798 cases and 1,175 population-based controls (adult (ages 18-80 years) nonmetropolitan residents of Iowa, Michigan, Minnesota, and Wisconsin). For this analysis (1995-1998), 288 cases and 474 controls (or their proxies) who had lived on farms at age 18 years or after were asked about exposure to crops, livestock, and farm tasks. Logistic regression was used to calculate odds ratios adjusted for age, age group, sex, state, and education. Never immediately washing up (adjusted odds ratio (OR) = 3.08, 95% confidence interval (CI): 1.78, 5.34) or changing clothes (OR = 2.84, 95% CI: 1.04, 7.78) after applying pesticides was associated with increased glioma risk. Living on a farm on which corn, oats, soybeans, or hogs were raised was associated with decreased risk (corn-OR = 0.37, 95% CI: 0.20, 0.69; oats-OR = 0.63, 95% CI: 0.40, 1.00; soybeans-OR = 0.69, 95% CI: 0.48, 0.98; hogs-OR = 0.63, 95% CI: 0.43, 0.93). Negative associations may be due to chance or a "healthy farmer" effect. Farmers' increased risk of glioma may be due to work practices, other activities, or an inverse association with allergies (reported by other investigators).

Authors+Show Affiliations

Division of Surveillance, Hazard Evaluations and Field Studies, National Institute for Occupational Safety and Health, Cincinnati, Ohio 45226, USA. amr2@cdc.govNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

19403843

Citation

Ruder, Avima M., et al. "Exposure to Farm Crops, Livestock, and Farm Tasks and Risk of Glioma: the Upper Midwest Health Study." American Journal of Epidemiology, vol. 169, no. 12, 2009, pp. 1479-91.
Ruder AM, Carreón T, Butler MA, et al. Exposure to farm crops, livestock, and farm tasks and risk of glioma: the Upper Midwest Health Study. Am J Epidemiol. 2009;169(12):1479-91.
Ruder, A. M., Carreón, T., Butler, M. A., Calvert, G. M., Davis-King, K. E., Waters, M. A., Schulte, P. A., Mandel, J. S., Morton, R. F., Reding, D. J., & Rosenman, K. D. (2009). Exposure to farm crops, livestock, and farm tasks and risk of glioma: the Upper Midwest Health Study. American Journal of Epidemiology, 169(12), 1479-91. https://doi.org/10.1093/aje/kwp075
Ruder AM, et al. Exposure to Farm Crops, Livestock, and Farm Tasks and Risk of Glioma: the Upper Midwest Health Study. Am J Epidemiol. 2009 Jun 15;169(12):1479-91. PubMed PMID: 19403843.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Exposure to farm crops, livestock, and farm tasks and risk of glioma: the Upper Midwest Health Study. AU - Ruder,Avima M, AU - Carreón,Tania, AU - Butler,Mary Ann, AU - Calvert,Geoffrey M, AU - Davis-King,Karen E, AU - Waters,Martha A, AU - Schulte,Paul A, AU - Mandel,Jack S, AU - Morton,Roscoe F, AU - Reding,Douglas J, AU - Rosenman,Kenneth D, AU - ,, Y1 - 2009/04/29/ PY - 2009/5/1/entrez PY - 2009/5/1/pubmed PY - 2009/6/26/medline SP - 1479 EP - 91 JF - American journal of epidemiology JO - Am J Epidemiol VL - 169 IS - 12 N2 - Some studies of brain cancer have found an excess risk for farmers. The National Institute for Occupational Safety and Health previously found no increased glioma risk for ever (vs. never) being exposed to pesticides on a farm among 798 cases and 1,175 population-based controls (adult (ages 18-80 years) nonmetropolitan residents of Iowa, Michigan, Minnesota, and Wisconsin). For this analysis (1995-1998), 288 cases and 474 controls (or their proxies) who had lived on farms at age 18 years or after were asked about exposure to crops, livestock, and farm tasks. Logistic regression was used to calculate odds ratios adjusted for age, age group, sex, state, and education. Never immediately washing up (adjusted odds ratio (OR) = 3.08, 95% confidence interval (CI): 1.78, 5.34) or changing clothes (OR = 2.84, 95% CI: 1.04, 7.78) after applying pesticides was associated with increased glioma risk. Living on a farm on which corn, oats, soybeans, or hogs were raised was associated with decreased risk (corn-OR = 0.37, 95% CI: 0.20, 0.69; oats-OR = 0.63, 95% CI: 0.40, 1.00; soybeans-OR = 0.69, 95% CI: 0.48, 0.98; hogs-OR = 0.63, 95% CI: 0.43, 0.93). Negative associations may be due to chance or a "healthy farmer" effect. Farmers' increased risk of glioma may be due to work practices, other activities, or an inverse association with allergies (reported by other investigators). SN - 1476-6256 UR - https://www.unboundmedicine.com/medline/citation/19403843/Exposure_to_farm_crops_livestock_and_farm_tasks_and_risk_of_glioma:_the_Upper_Midwest_Health_Study_ L2 - https://academic.oup.com/aje/article-lookup/doi/10.1093/aje/kwp075 DB - PRIME DP - Unbound Medicine ER -