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   <ow:Publication rdf:about="oai:digibug.ugr.es:10481/69459">
      <dc:title>Sleep duration and napping in relation to colorectal and gastric cancer in the MCC‑Spain study</dc:title>
      <dc:creator>Papantoniou, Kyriaki</dc:creator>
      <dc:creator>Jiménez Moleón, José Juan</dc:creator>
      <dc:creator>Olmedo Requena, María Rocío</dc:creator>
      <dc:description>Sleep duration is a novel and potentially modifiable risk factor for cancer. We evaluated the association&#xd;
of self-reported sleep duration and daytime napping with odds of colorectal and gastric cancer. We&#xd;
included 2008 incident colorectal cancer cases, 542 gastric cancer cases and 3622 frequency-matched&#xd;
population controls, recruited in the MCC-Spain case–control study (2008–2013). Sleep information,&#xd;
socio-demographic and lifestyle characteristics were obtained through personal interviews.&#xd;
Multivariable adjusted logistic regression models were used to estimate odds ratios (OR) with 95%&#xd;
confidence intervals (CI) for cancer, across categories of sleep duration (≤ 5, 6, 7, 8, ≥ 9 hours/day),&#xd;
daytime napping frequency (naps/week) and duration (minutes/nap). Compared to 7 hours of sleep,&#xd;
long sleep was associated with increased odds of colorectal (&#xd;
OR≥9 hours: 1.59; 95%CI 1.30–1.94) and&#xd;
gastric cancer (&#xd;
OR≥9 hours: 1.95; 1.37–2.76); short sleep was associated with increased odds of gastric&#xd;
cancer (&#xd;
OR≤5 hours: 1.32; 0.93–1.88). Frequent and long daytime naps increased the odds of colorectal&#xd;
(&#xd;
OR6–7 naps/week, ≥30 min: 1.32; 1.14–1.54) and gastric cancer (&#xd;
OR6–7 naps/week, ≥30 min: 1.56; 1.21–2.02). Effects&#xd;
of short sleep and frequent long naps were stronger among participants with night shift-work history.&#xd;
Sleep and circadian disruption may jointly play a role in the etiology of colorectal and gastric cancer.</dc:description>
      <dc:date>2021-07-01T11:24:12Z</dc:date>
      <dc:date>2021-07-01T11:24:12Z</dc:date>
      <dc:date>2021-06-03</dc:date>
      <dc:type>info:eu-repo/semantics/article</dc:type>
      <dc:identifier>Papantoniou, K., Castaño-Vinyals, G., Espinosa, A. et al. Sleep duration and napping in relation to colorectal and gastric cancer in the MCC-Spain study. Sci Rep 11, 11822 (2021). [https://doi.org/10.1038/s41598-021-91275-3]</dc:identifier>
      <dc:identifier>http://hdl.handle.net/10481/69459</dc:identifier>
      <dc:identifier>10.1038/s41598-021-91275-3</dc:identifier>
      <dc:language>eng</dc:language>
      <dc:rights>http://creativecommons.org/licenses/by/3.0/es/</dc:rights>
      <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
      <dc:rights>Atribución 3.0 España</dc:rights>
      <dc:publisher>Springer Nature</dc:publisher>
   </ow:Publication>
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