Weight change in middle adulthood and risk of cancer in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort

Sofia Christakoudi, Panagiota Pagoni, Pietro Ferrari, Amanda J. Cross, Ioanna Tzoulaki, David C. Muller, Elisabete Weiderpass, Heinz Freisling, Neil Murphy, Laure Dossus, Renee Turzanski Fortner, Antonio Agudo, Kim Overvad, Aurora Perez-Cornago, Timothy J. Key, Paul Brennan, Mattias Johansson, Anne Tjønneland, Jytte Halkjær, Marie Christine Boutron-RuaultFanny Artaud, Gianluca Severi, Rudolf Kaaks, Matthias B. Schulze, Manuela M. Bergmann, Giovanna Masala, Sara Grioni, Vittorio Simeon, Rosario Tumino, Carlotta Sacerdote, Guri Skeie, Charlotta Rylander, Kristin Benjaminsen Borch, J. Ramón Quirós, Miguel Rodriguez-Barranco, Maria Dolores Chirlaque, Eva Ardanaz, Pilar Amiano, Isabel Drake, Tanja Stocks, Christel Häggström, Sophia Harlid, Merete Ellingjord-Dale, Elio Riboli, Konstantinos K. Tsilidis

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

1 Citering (SciVal)

Sammanfattning

Obesity is a risk factor for several major cancers. Associations of weight change in middle adulthood with cancer risk, however, are less clear. We examined the association of change in weight and body mass index (BMI) category during middle adulthood with 42 cancers, using multivariable Cox proportional hazards models in the European Prospective Investigation into Cancer and Nutrition cohort. Of 241 323 participants (31% men), 20% lost and 32% gained weight (>0.4 to 5.0 kg/year) during 6.9 years (average). During 8.0 years of follow-up after the second weight assessment, 20 960 incident cancers were ascertained. Independent of baseline BMI, weight gain (per one kg/year increment) was positively associated with cancer of the corpus uteri (hazard ratio [HR] = 1.14; 95% confidence interval: 1.05-1.23). Compared to stable weight (±0.4 kg/year), weight gain (>0.4 to 5.0 kg/year) was positively associated with cancers of the gallbladder and bile ducts (HR = 1.41; 1.01-1.96), postmenopausal breast (HR = 1.08; 1.00-1.16) and thyroid (HR = 1.40; 1.04-1.90). Compared to maintaining normal weight, maintaining overweight or obese BMI (World Health Organisation categories) was positively associated with most obesity-related cancers. Compared to maintaining the baseline BMI category, weight gain to a higher BMI category was positively associated with cancers of the postmenopausal breast (HR = 1.19; 1.06-1.33), ovary (HR = 1.40; 1.04-1.91), corpus uteri (HR = 1.42; 1.06-1.91), kidney (HR = 1.80; 1.20-2.68) and pancreas in men (HR = 1.81; 1.11-2.95). Losing weight to a lower BMI category, however, was inversely associated with cancers of the corpus uteri (HR = 0.40; 0.23-0.69) and colon (HR = 0.69; 0.52-0.92). Our findings support avoiding weight gain and encouraging weight loss in middle adulthood.

Originalspråkengelska
Sidor (från-till)1637-1651
TidskriftInternational Journal of Cancer
Volym148
Utgåva7
Tidigt onlinedatum2020 okt 10
DOI
StatusPublished - 2021

Ämnesklassifikation (UKÄ)

  • Cancer och onkologi
  • Näringslära

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