ReviewSleep science (Sao Paulo, Brazil)2025
Exploring the Relationship between Chronotype and Waist Circumference: A Scoping Review.
Review in Sleep science (Sao Paulo, Brazil), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding the relationship between chronotype and waist circumference (WC) has implications for metabolic health management. The present article overviews the available literature, the knowledge gaps, and the insights for future research. We conducted a search on the Scopus, Web of Science, and PubMed electronic databases and followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) extension for scoping reviews. A total of 33 articles were included in the review. The studies primarily identified that people with the evening chronotype presented a higher mean WC compared to those with the morning chronotype. However, the difference was not significant in all studies. A significant positive correlation of the WC with chronotype scores denoting eveningness was found in 88% of the studies. The cut-off values on the scales to categorize subjects into different chronotypes may need to be defined for communities living across the globe. We conclude that higher WC values are associated with eveningness. However, this finding should be validated using objective measures of chronotype assessment.
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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.