PURPOSE: To determine the risk for malignant primary adult-onset glioma (MPAG) associated with cigarette smoking and other lifestyle behaviors in a large, multiethnic, managed-care cohort. METHODS: The study population included a cohort of 133,811 subscribers to the Kaiser Permanente Medical Care Program of Northern California who had received a multiphasic health checkup and questionnaire between 1977 and 1985, were at least 25 years old at their start of follow-up, and had no prior history of benign or malignant brain tumors. In this cohort, patients were followed for up to 21 years for the development of MPAG. RESULTS: Risk for MPAG among women increased with increasing packs of cigarettes smoked per day (p-for-trend = 0.04), adjusting for cigar and pipe smoking, patient age, sex, race, education, alcohol use and coffee consumption. A similar pattern was not observed for men. Individuals who smoked marijuana at least once a month, adjusting for cigarette smoking (packs smoked per day) and for the factors noted above, had a 2.8-fold (CI = 1.3-6.2) increased risk for MPAG. Relative risk for MPAG increased with increasing consumption of coffee (p-for-trend = 0.05). CONCLUSIONS: Cigarette smoking was associated with an increased risk for MPAG among women but not among men. Individuals who smoked marijuana at least once a month had an increased risk for MPAG, although no dose-response relation was observed. Drinkers of >7 cups of coffee per day had a 70% increased risk for MPAG and smaller risk elevation for lower consumption. Alcohol usage was not associated with an increased risk for MPAG.
PURPOSE: To determine the risk for malignant primary adult-onset glioma (MPAG) associated with cigarette smoking and other lifestyle behaviors in a large, multiethnic, managed-care cohort. METHODS: The study population included a cohort of 133,811 subscribers to the Kaiser Permanente Medical Care Program of Northern California who had received a multiphasic health checkup and questionnaire between 1977 and 1985, were at least 25 years old at their start of follow-up, and had no prior history of benign or malignant brain tumors. In this cohort, patients were followed for up to 21 years for the development of MPAG. RESULTS: Risk for MPAG among women increased with increasing packs of cigarettes smoked per day (p-for-trend = 0.04), adjusting for cigar and pipe smoking, patient age, sex, race, education, alcohol use and coffee consumption. A similar pattern was not observed for men. Individuals who smoked marijuana at least once a month, adjusting for cigarette smoking (packs smoked per day) and for the factors noted above, had a 2.8-fold (CI = 1.3-6.2) increased risk for MPAG. Relative risk for MPAG increased with increasing consumption of coffee (p-for-trend = 0.05). CONCLUSIONS: Cigarette smoking was associated with an increased risk for MPAG among women but not among men. Individuals who smoked marijuana at least once a month had an increased risk for MPAG, although no dose-response relation was observed. Drinkers of >7 cups of coffee per day had a 70% increased risk for MPAG and smaller risk elevation for lower consumption. Alcohol usage was not associated with an increased risk for MPAG.
Authors: Yu-Hui Jenny Huang; Zuo-Feng Zhang; Donald P Tashkin; Bingjian Feng; Kurt Straif; Mia Hashibe Journal: Cancer Epidemiol Biomarkers Prev Date: 2015-01 Impact factor: 4.254
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Authors: Crystal N Holick; Scott G Smith; Edward Giovannucci; Dominique S Michaud Journal: Cancer Epidemiol Biomarkers Prev Date: 2010-01 Impact factor: 4.254