Circadian misalignment and disrupted rest-activity rhythms have been linked to adverse health and educational outcomes, yet few studies have considered their relationships with economic outcomes. We investigate associations between multiple accelerometer-measured circadian misalignment traits (Composite Phase Deviation and the Sleep Regularity Index) and rest-activity rhythm traits (Inter-daily Stability, Intra-daily variability and relative amplitude), with occupational attainment, measured using the average wage paid to an individual's occupation. We use data from 20 356 UK Biobank participants who wore an accelerometer (2013-16), provided employment data for the year they wore the accelerometer, and supplied covariate data at recruitment (2006-10). We use linear regression, with incremental adjustments for four sets of covariates, and stratify our analysis by sex. Our findings provide mixed evidence on the relationship between circadian misalignment and occupational attainment, varying by the measure of circadian misalignment used, and sex. We find fragmented rest-activity rhythms to be associated with higher occupational attainment, which is counterintuitive. Since circadian misalignment is a modifiable trait, our results suggest potential benefits of policies aimed at reducing circadian misalignment, such as altering work schedules and reducing bright light exposure in the evening. Further research is needed to elucidate the mechanisms through which rest-activity rhythms may impact economic outcomes.
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http://dx.doi.org/10.1080/07420528.2024.2441192 | DOI Listing |
Chronobiol Int
December 2024
Division of Population Health, Health Services Research & Primary Care, The University of Manchester, Manchester, UK.
Circadian misalignment and disrupted rest-activity rhythms have been linked to adverse health and educational outcomes, yet few studies have considered their relationships with economic outcomes. We investigate associations between multiple accelerometer-measured circadian misalignment traits (Composite Phase Deviation and the Sleep Regularity Index) and rest-activity rhythm traits (Inter-daily Stability, Intra-daily variability and relative amplitude), with occupational attainment, measured using the average wage paid to an individual's occupation. We use data from 20 356 UK Biobank participants who wore an accelerometer (2013-16), provided employment data for the year they wore the accelerometer, and supplied covariate data at recruitment (2006-10).
View Article and Find Full Text PDFJPEN J Parenter Enteral Nutr
December 2024
Department of Biostatistics, Ankara Medicine Faculty, Ankara University, Ankara, Turkey.
Background: Lactating women's food intake timing may play a critical role in maternal and infant nutrition health. We aimed to examine associations of breastfeeding mothers' diet quantity and circadian timing of food intake with subsequent weight status of exclusively breastfed infants over a 6-month period.
Methods: This prospective observational study comprised pairs of healthy singleton breastfed infants and their corresponding healthy lactating mothers.
Front Netw Physiol
December 2024
Department of Biomedicine and Department of Clinical Research, University of Basel, Basel, Switzerland.
Metabolic dysfunction-associated steatotic liver disease (MASLD) is a multisystemic disease with a multifactorial pathogenesis involving dietary, environmental, and genetic factors. Previous mouse models suggested that circadian misalignment may additionally influence its development as it influences metabolism in diverse organs including the liver. Further, data from sleep questionnaires proved sleep-wake disruption in patients with MASLD.
View Article and Find Full Text PDFNutrients
November 2024
Department of Preventive Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea.
Social jetlag, which refers to the misalignment between biological rhythms and social schedule, is linked to an increased risk of metabolic diseases. This cross-sectional study investigated the relationship between social jetlag and workers' dietary quality. : This secondary data analysis included a sample of workers from the Korea National Health and Nutrition Examination Survey ( = 11,430).
View Article and Find Full Text PDFBiochem Pharmacol
December 2024
Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China. Electronic address:
Sleep deprivation (SD) causes circadian misalignment, and circadian clock disruption is associated with metabolic diseases such as obesity, insulin resistance, and diabetes. However, the underlying mechanism for SD-induced circadian clock disruption as well as metabolic enzyme changes is still lacking. Here, we developed SD sensitizes mice with disrupted circadian rhythms to demonstrate the regulation role and mechanism of SD in UDP-glucuronosyltransferases (UGTs) expression and the metabolism of corresponding substrates.
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