Research

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Women with more than 14 hours of TV viewing per week have a relative risk (RR) of 1.69 for young-onset CRC compared to those with no more than 7 hours.

Limiting TV time to under 7 hours per week may reduce CRC risk.

StrongSupportsmedium confidence
Compared to no more than 7 hours per week, women with 7.1–14 hours per week of TV time had a multivariable relative risk (RR) of 1.12...further increased for greater than 14 hours per week (RR = 1.69, 95% CI = 1.07 to 2.67, Ptrend = .03).
Long H. Nguyen et al. · JNCI Cancer Spectrum · 2018

Why this rating

Based on the prospective evaluation of a large cohort.

Source

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

Long H. Nguyen et al. · JNCI Cancer Spectrum · 2018

DOI 10.1093/jncics/pky073

cohort · n=89278Cited 190×
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DOI resolved against Crossref · corpus check 2026-06-10

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