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Association between physical activity and risk of hepatobiliary cancers: A multinational cohort study.
Baumeister, Sebastian E; Schlesinger, Sabrina; Aleksandrova, Krasimira; Jochem, Carmen; Jenab, Mazda; Gunter, Marc J; Overvad, Kim; Tjønneland, Anne; Boutron-Ruault, Marie-Christine; Carbonnel, Franck; Fournier, Agnès; Kühn, Tilman; Kaaks, Rudolf; Pischon, Tobias; Boeing, Heiner; Trichopoulou, Antonia; Bamia, Christina; la Vecchia, Carlo; Masala, Giovanna; Panico, Salvatore; Fasanelli, Francesca; Tumino, Rosario; Grioni, Sara; Bueno de Mesquita, Bas; Vermeulen, Roel; May, Anne M; Borch, Kristin B; Oyeyemi, Sunday O; Ardanaz, Eva; Rodríguez-Barranco, Miguel; Dolores Chirlaque López, María; Felez-Nobrega, Mireia; Sonestedt, Emily; Ohlsson, Bodil; Hemmingsson, Oskar; Werner, Mårten; Perez-Cornago, Aurora; Ferrari, Pietro; Stepien, Magdalena; Freisling, Heinz; Tsilidis, Konstantinos K; Ward, Heather; Riboli, Elio; Weiderpass, Elisabete; Leitzmann, Michael F
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Open Access
Type
Article
Language
en
Date
2018-12-22
Research Projects
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Title
Association between physical activity and risk of hepatobiliary cancers: A multinational cohort study.
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Published in
J Hepatol 2019; 70(5):885-892
Abstract
Evidence on the association between physical activity and risk of hepatobiliary cancers is inconclusive. We examined this association in the European Prospective Investigation into Cancer and Nutrition cohort (EPIC). We identified 275 hepatocellular carcinoma (HCC) cases, 93 intrahepatic bile duct cancers (IHBCs), and 164 non-gallbladder extrahepatic bile duct cancers (NGBCs) among 467,336 EPIC participants (median follow-up 14.9 years). We estimated cause-specific hazard ratios (HRs) for total physical activity and vigorous physical activity and performed mediation analysis and secondary analyses to assess robustness to confounding (e.g. due to hepatitis virus infection). In the EPIC cohort, the multivariable-adjusted HR of HCC was 0.55 (95% CI 0.38-0.80) comparing active and inactive individuals. Regarding vigorous physical activity, for those reporting >2 hours/week compared to those with no vigorous activity, the HR for HCC was 0.50 (95% CI 0.33-0.76). Estimates were similar in sensitivity analyses for confounding. Total and vigorous physical activity were unrelated to IHBC and NGBC. In mediation analysis, waist circumference explained about 40% and body mass index 30% of the overall association of total physical activity and HCC. These findings suggest an inverse association between physical activity and risk of HCC, which is potentially mediated by obesity.