Changes in Lifestyle and Risk of Colorectal Cancer in the European Prospective Investigation Into Cancer and Nutrition

Edoardo Botteri, Giulia Peveri, Paula Berstad, Vincenzo Bagnardi, Sairah L.F. Chen, Torkjel M. Sandanger, Geir Hoff, Christina C. Dahm, Christian S. Antoniussen, Anne Tjønneland, Anne Kirstine Eriksen, Guri Skeie, Aurora Perez-Cornago, José María Huerta, Paula Jakszyn, Sophia Harlid, Björn Sundström, Aurelio Barricarte, Evelyn M. Monninkhof, Jeroen W.G. DerksenMatthias B. Schulze, Bas Bueno-De-Mesquita, Maria Jose Sánchez, Amanda J. Cross, Konstantinos K. Tsilidis, Maria Santucci De Magistris, Rudolf Kaaks, Verena Katzke, Joseph A. Rothwell, Nasser Laouali, Gianluca Severi, Pilar Amiano, Paolo Contiero, Carlotta Sacerdote, Marcel Goldberg, Mathilde Touvier, Heinz Freisling, Vivian Viallon, Elisabete Weiderpass, Elio Riboli, Marc J. Gunter, Mazda Jenab, Pietro Ferrari

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Resum

Introduction: We investigated the impact of changes in lifestyle habits on colorectal cancer (CRC) risk in a multicountry European cohort. Methods: We used baseline and follow-up questionnaire data from the European Prospective Investigation into Cancer cohort to assess changes in lifestyle habits and their associations with CRC development. We calculated a healthy lifestyle index (HLI) score based on smoking status, alcohol consumption, body mass index, and physical activity collected at the 2 time points. HLI ranged from 0 (most unfavorable) to 16 (most favorable). We estimated the association between HLI changes and CRC risk using Cox regression models and reported hazard ratios (HR) with 95% confidence intervals (CI). Results: Among 295,865 participants, 2,799 CRC cases were observed over a median of 7.8 years. The median time between questionnaires was 5.7 years. Each unit increase in HLI from the baseline to the follow-up assessment was associated with a statistically significant 3% lower CRC risk. Among participants in the top tertile at baseline (HLI > 11), those in the bottom tertile at follow-up (HLI ≤ 9) had a higher CRC risk (HR 1.34; 95% CI 1.02-1.75) than those remaining in the top tertile. Among individuals in the bottom tertile at baseline, those in the top tertile at follow-up had a lower risk (HR 0.77; 95% CI 0.59-1.00) than those remaining in the bottom tertile. Discussion: Improving adherence to a healthy lifestyle was inversely associated with CRC risk, while worsening adherence was positively associated with CRC risk. These results justify and support recommendations for healthy lifestyle changes and healthy lifestyle maintenance for CRC prevention.

Idioma originalAnglès
Pàgines (de-a)702-711
Nombre de pàgines10
RevistaThe American journal of gastroenterology
Volum118
Número4
DOIs
Estat de la publicacióPublicada - 1 d’abr. 2023

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