Gross, J. Valerie, Fritschi, Lin ORCID: 0000-0002-7692-3560, Hellmich, Martin, Schwert, Inga, Renner, Rene, Pinger, Andreas, Wild, Ursula and Erren, Thomas C. (2020). Comparing different approaches to assess individual chronotypes in epidemiological studies (SEVERUS-Cohort). Biol. Rhythm Res., 51 (1). S. 88 - 102. ABINGDON: TAYLOR & FRANCIS LTD. ISSN 1744-4179

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Abstract

Assessing individual chronotypes can become relevant for epidemiological studies, for instance when investigating the impact of night-shift work on human's health. The objective of this study was to explore and compare three different approaches (Self-rating, Munich Chronotype Questionnaire (MCTQ), Perfect Day (PD)) of assessing the chronotype in a group of 48 police officers. We compared the categorical classification of self-rated chronotypes with Mid Sleep Times (MST) on free days from the MCTQ and MST on PDs. Chronotype categories derived from self-rating were only weakly associated with the MST derived from free days (Spearman's rho = 0.33, p = 0.078) and PDs (rho = 0.26, p = 0.073). We found a positive correlation between the MSTs assessed via MCTQ and PD (Pearson's r = 0.67, p < 0.001). There were differences in the MST on free days and on PDs between individuals who did and did not use an alarm clock. All three approaches to assess chronotype information have to be used with caution. Concerns of selection and misclassification bias are raised when assessing chronotypes through the MST on free days for those who do not use alarm clocks. Further research is needed to develop sound strategies to assess chronotypes in epidemiological studies.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Gross, J. ValerieUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fritschi, LinUNSPECIFIEDorcid.org/0000-0002-7692-3560UNSPECIFIED
Hellmich, MartinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schwert, IngaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Renner, ReneUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pinger, AndreasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wild, UrsulaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Erren, Thomas C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-349315
DOI: 10.1080/09291016.2018.1525132
Journal or Publication Title: Biol. Rhythm Res.
Volume: 51
Number: 1
Page Range: S. 88 - 102
Date: 2020
Publisher: TAYLOR & FRANCIS LTD
Place of Publication: ABINGDON
ISSN: 1744-4179
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SHIFT WORK; BREAST-CANCER; NIGHT-SHIFT; SLEEP; QUESTIONNAIRE; MORNINGNESS; MELATONIN; NURSESMultiple languages
Biology; PhysiologyMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/34931

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