Original Article

Association Between Circadian Rhythm with Resting Metabolic Rate in Overweight\Obese Women


Aim: The aim of this study was to investigate the association between circadian rhythm with resting metabolic rate (RMR) in overweight\obese women
Methods: This cross-sectional study included 232 obese and overweight women. Morningness-Eveningness Questionnaire (MEQ) was used to assess the level of circadian rhythm. RMR was measured by indirect calorimetry after a 10-12 hour overnight fasting period by a trained nutritionist. We assessed body composition using multi-frequency bioelectrical impedance analyzer (BIA).
Results: The percentage of overweight and obese women were 48.7% (113) and 51.3% (119), respectively. The number of participants who were morningness, intermediate and eveningness was 28(12.1%), 135(58.2%) and 69(29.7%) respectively. A significant relationship was found between MEQ and RMR.normal (p=0.011). According to linear regression model non-eveningness participants had 81.92 higher RMR compared to eveningness participants (p=0.027).
Conclusion: We found that non-eveningness participants had higher RMR compared to eveningness participants that can lead to obesity, diabetes type2 and other health disorders.

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IssueVol 6 No 2 (2020) QRcode
SectionOriginal Article(s)
DOI https://doi.org/10.18502/jbe.v6i2.4873
Circadian rhythm; Resting metabolic rate; Obesity

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How to Cite
Badrooj N, Keshavarz SA, Yekaninejad MS, Mirzaei K. Association Between Circadian Rhythm with Resting Metabolic Rate in Overweight\Obese Women. JBE. 2020;6(2):107-114.