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Tytuł pozycji:

Later chronotype is associated with unhealthful plant-based diet quality in young Japanese women.

Tytuł :
Later chronotype is associated with unhealthful plant-based diet quality in young Japanese women.
Autorzy :
Kawasaki Y; Natural Science Division, Faculty of Core Research, Ochanomizu University, 2-1-1 Otsuka Bunkyo-ku, Tokyo, 112-8610, Japan; Counseling Psychology, Department of Psychology, Potsdam University, Karl-Liebknechtstr. 24-25, Potsdam, 14476, Germany.
Akamatsu R; Natural Science Division, Faculty of Core Research, Ochanomizu University, 2-1-1 Otsuka Bunkyo-ku, Tokyo, 112-8610, Japan. Electronic address: .
Fujiwara Y; Natural Science Division, Faculty of Core Research, Ochanomizu University, 2-1-1 Otsuka Bunkyo-ku, Tokyo, 112-8610, Japan.
Omori M; Human Science Division, Faculty of Core Research, Ochanomizu University, 2-1-1 Otsuka Bunkyo-ku, Tokyo, 112-8610, Japan.
Sugawara M; Department of Developmental Psychology, Faculty of Human Studies, Shirayuri University, 1-25, Midorigaoka, Chofu, Tokyo, 182-8525, Japan.
Yamazaki Y; Institute for Education and Human Development, Ochanomizu University, 2-1-1 Otsuka Bunkyo-ku, Tokyo, 112-8610, Japan.
Matsumoto S; Institute for Education and Human Development, Ochanomizu University, 2-1-1 Otsuka Bunkyo-ku, Tokyo, 112-8610, Japan.
Iwakabe S; Human Science Division, Faculty of Core Research, Ochanomizu University, 2-1-1 Otsuka Bunkyo-ku, Tokyo, 112-8610, Japan.
Kobayashi T; Division of Life Sciences, Graduate School of Humanities and Sciences, Ochanomizu University, 2-1-1 Otsuka Bunkyo-ku, Tokyo, 112-8610, Japan.
Pokaż więcej
Źródło :
Appetite [Appetite] 2021 Jun 16; Vol. 166, pp. 105468. Date of Electronic Publication: 2021 Jun 16.
Publication Model :
Ahead of Print
Typ publikacji :
Journal Article
Język :
English
Imprint Name(s) :
Original Publication: London, New York, Academic Press.
Contributed Indexing :
Keywords: Chronotype; Female; Plant-based diet; Sustainability; University students
Entry Date(s) :
Date Created: 20210618 Latest Revision: 20210722
Update Code :
20210723
DOI :
10.1016/j.appet.2021.105468
PMID :
34144094
Czasopismo naukowe
Background: Having a late chronotype, that is, the tendency to go to sleep and wake up at later hours, influences an individual's physical and mental health. Despite a few studies noting the association of chronotype with healthy dietary patterns, this relationship remains unclear.
Purpose: This study aimed to describe the association of chronotype with healthful and unhealthful plant-based diet quality in female Japanese undergraduate students.
Design: Cross-sectional.
Participants and Setting: A total of 218 female university students in Tokyo, Japan.
Main Outcome Measures: Healthful and unhealthful plant-based dietary index-Japanese version (hPDI-J and uPDI-J), calculated using the validated brief-type self-administered diet history questionnaire.
Statistical Analyses Performed: A five-model stepwise multiple linear regression analysis was conducted. Independent variables were hPDI-J and uPDI-J scores, and dependent variables were various lifestyle habits related to the circadian rhythm and demographic characteristics.
Results: Mean (standard deviation) sleep duration, midpoint of sleep, sleep latency time, and social jetlag were 411 (60) min, 03:56 (00:57), 21 (27) min, and 50 (39) min, respectively. Chronotype and several variables, such as residential status, energy and alcohol intake, and nutritional knowledge, were associated with healthful and unhealthful plant-based diet quality. Individuals who had higher hPDI-J scores were more likely to have an earlier chronotype (β = -0.168, P = 0.019) and better nutritional knowledge (β = 0.164, P = 0.022) than those with lower hPDI-J scores. Individuals were more likely to have higher uPDI-J scores if they were living alone (β = -0.301, P < 0.001), had a later chronotype (β = 0.181, P = 0.001), higher frequency of snacking (β = 0.164, P = 0.019), lower total energy (β = -0.445, P < 0.001), and worse nutritional knowledge (β = -0.172, P = 0.001).
Conclusion: This study provided new evidence as to the relationship between sleep and dietary habits, the interaction of which may affect women's health.
(Copyright © 2021 Elsevier Ltd. All rights reserved.)

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