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Updated: Jul 15, 2026

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World
Published on: April 7, 2020
Evening chronotype may be associated with lower EAT-Lancet diet adherence and higher CRP in people with obesity: a
Nurefşan Konyalıgil Öztürk1, Dilara Berşan Konyalıgil2, Reyyan Yüce Göllü3
1Faculty of Health Sciences, Department of Nutrition and Dietetics, Bolu Abant İzzet Baysal University, Bolu, Türkiye.
Background:
The aim of this study is to examine the relationship between the EAT-Lancet dietary model, chronotype, psychological well-being, and metabolic parameters in people with obesity.
Methods:
This cross-sectional study was conducted with 97 people with obesity. A sociodemographic questionnaire was administered to the participants. In addition, anthropometric measurements, biochemical parameters and nutritional status were measured. The Morningness-Eveningness Questionnaire (MEQ) and the Psychological Well-Being Scale (PWBS) were used.
Results:
EAT-Lancet diet and PWBS scores were lower in evening-type individuals compared to morning-type individuals (p < 0.05). A negative correlation was observed between individuals' C-reactive protein (CRP) levels and their EAT-Lancet diet score and MEQ score (p < 0.05). A significantly positive correlation was found between individuals' MEQ score and their EAT-Lancet diet score (p < 0.05). A significant negative correlation was found between PWBS score and both waist circumference and body mass index (p < 0.05). An increase in the MEQ score was associated with a positive change in the EAT-Lancet diet score (β = 0.026), while an increase in CRP levels was associated with a negative change in the diet score (β = -0.112) (p < 0.05).
Conclusion:
Evening chronotype was associated with lower EAT-Lancet diet scores and higher CRP levels, whereas greater adherence to a healthy and sustainable dietary pattern was observed among individuals with a morning chronotype.
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