Evidence map›Paper›PMID 30740587›Full record

ArticleJNCI cancer spectrum2018

Sedentary Behaviors, TV Viewing Time, and Risk of Young-Onset Colorectal Cancer.

Long H Nguyen, Po-Hong Liu, Xiaobin Zheng, NaNa Keum, Xiaoyu Zong, Xiao Li, Kana Wu, Charles S Fuchs, Shuji Ogino, Kimmie Ng and 4 more

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in JNCI cancer spectrum, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05732623 (Diet obEsity sMoking Epigenetics geneTics biomaRkers Physical Activity), which is not on this map. Cited by 123 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
123citing papers in PubMed, 4 pooled it
5.3field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT05732623 recruitingnot on this mapstarted 2022, after this paper: background citation

Diet obEsity sMoking Epigenetics geneTics biomaRkers Physical Activity: An International Multicenter Case-control Study on Endogenous and Exogenous Risk Factors in Early-onset Colorectal Cancer

Typeobservational_patient_registrySponsorSan Raffaele UniversityRan2022 to 2035Enrolled2,300ConditionsColorectal Cancer, Early Onset Colorectal Cancer, Diet Habit, Risk ReductionArmsSemi Quantitative Food Frequency Questionnaire (SQFFQ)
3 · Its place in the literature

Who cites it

123 citing papers in PubMed, 4 syntheses or guidelines pooled it, 184 citations in OpenAlex.

  1. Genome-wide association studies and Mendelian randomization analyses provide insights into the causes of early-onset colorectal cancer.Annals of oncology : official journal of the European Society for Medical Oncology · 2024
    Pooled it
  2. Delphi Initiative for Early-Onset Colorectal Cancer (DIRECt) International Management Guidelines.Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association · 2023
    Guideline
  3. Pooled it
  4. Pooled it
  5. Trial
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Association of metabolic markers, inflammatory biomarkers, and sedentary time with comorbidities among cancer patients: Results from NHANES 2021-2023.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2026
    Article
  12. Review
  13. Review
  14. Association between Broad-Spectrum Antibiotic Use and Risk of Early-Onset Colorectal Cancer.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2026
    Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

63 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

14 authors at 3 institutions in 2 countries.

Long H NguyenDivision of Gastroenterology.
Po-Hong LiuDivision of Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA.
Xiaobin ZhengDivision of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St Louis, MO.
NaNa KeumDepartment of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA.
Xiaoyu ZongDivision of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St Louis, MO.
Xiao LiDivision of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St Louis, MO.
Kana WuDepartment of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA.
Charles S FuchsYale Cancer Center, New Haven, CT.
Shuji OginoDepartment of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA.
Kimmie NgBroad Institute of MIT and Harvard, Cambridge, MA.
Walter C WillettDepartment of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA.
Andrew T ChanDivision of Gastroenterology.
Edward L GiovannucciDepartment of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA.
Yin CaoDivision of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St Louis, MO.
Washington University in St. Louis · USHarvard University · USBrigham and Women's Hospital · US

Funding

Training Program in Cancer EpidemiologyT32CA009001 · NCI · HARVARD UNIVERSITY (SCH OF PUBLIC HLTH) · PI A. Heather Eliassen, Meir Stampfer · 1985 to 2026
$17.3M
Accelerating Transdisciplinary Epidemiology of Colorectal CancerR35CA197735 · NCI · DANA-FARBER CANCER INST · PI OGINO, SHUJI · 2015 to 2021
$6.0M
Novel randomized controlled trials of vitamin D supplementation in patients with colorectal cancer: Impact on survival and biologyR01CA205406 · NCI · DANA-FARBER CANCER INST · PI Kimmie Ng · 2017 to 2026
$4.9M
Optimizing the Impact of Aspirin for ChemopreventionK07CA218377 · NCI · WASHINGTON UNIVERSITY · PI CAO, YIN · 2018 to 2021
$504k
NCI NIH HHS K07 CA218377NCI NIH HHS R01 CA205406NCI NIH HHS R35 CA197735NCI NIH HHS T32 CA009001
6 · The paper itself

Abstract

backgroundColorectal cancer (CRC) diagnosed before age 50 years, or young-onset CRC, is increasing globally with undefined etiology. A sedentary lifestyle is an emerging risk factor for CRC after age 50 years, but its role in young-onset CRC is unknown.

methodsWe prospectively evaluated sedentary behaviors, primarily time watching television (TV), and risk of young-onset CRC among 89 278 women in the Nurses' Health Study II ages 25-42 years at recruitment (1991-2011). We used Cox proportional hazards modelling to estimate relative risks (RR) and 95% confidence intervals (CIs). Statistical tests were two-sided.

resultsWe documented 118 young-onset CRCs over 1 262 540 person-years. Sedentary TV viewing time was statistically significantly associated with increased risk of young-onset CRC, after adjusting for putative risk factors, including obesity and physical activity. Compared 7 hours, women with 7.1-14 hours per week of TV time had a multivariable relative risk (RR) of 1.12 (95% confidence interval [CI] = 0.72 to 1.75), further increased for greater than14 hours per week (RR = 1.69, 95% CI = 1.07 to 2.67,

conclusionIndependent of exercise and obesity, prolonged sedentary TV viewing time, a surrogate for a more inactive lifestyle, was associated with increased risk of young-onset CRC, particularly of the rectum. These findings provide further evidence on the importance of maintaining an active lifestyle.

Identifiers

PMID30740587
PMCPMC6361621
OpenAlexW2915041983

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.