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Chris I. Ardern
York University
110Publications
26H-index
2,426Citations
Publications 110
Newest
#1Banaz Al-khalidi (York University)H-Index: 2
Last.Chris I. Ardern (York University)H-Index: 26
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Summary Background & Aims Previous studies assessing the prognosis of metabolically healthy obesity (MHO) have been limited by a lack of a harmonized definition of MHO phenotype. Furthermore, obesity is a risk factor for vitamin D deficiency and low vitamin D status has been associated with a higher risk of mortality; however, few studies have evaluated the joint association between vitamin D, metabolic health phenotype, and mortality risk. Using a harmonized definition, we investigated whether ...
#1Banaz Al-khalidi (York University)H-Index: 2
#2Jennifer L. Kuk (York University)H-Index: 29
Last.Chris I. Ardern (York University)H-Index: 26
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Abstract The predictive value of total 25-hydroxyvitamin D (25(OH)D, a biomarker of vitamin D status) in relation to lifetime risk of cardiometabolic mortality is not known. The purpose of this study was to determine the association between standardized and annualized total 25(OH)D levels and lifetime risk for cardiometabolic mortality in middle- to older-aged adults. In this study, we followed up 7958 participants in the Third National Health and Nutrition Examination Survey from 1988 to 1994 (...
#1Chris I. Ardern (York University)H-Index: 26
#2Thirumagal Kanagasabai (McGill University)H-Index: 5
Abstract The importance of sleep for the maintenance of a healthy body weight and cardiometabolic health is increasingly recognized. However, the extent to which sleep affects abdominal obesity and metabolic syndrome, and how much these relationships vary in subpopulations are less well known. The relationship between sleep and cardiometabolic health is also affected by the clustering of both movement and nonmovement behaviors, and other lifestyle factors, such as diet. This chapter provides a r...
#1Kathy Do (UM: University of Michigan)
#2Ruth E. Brown (UM: University of Michigan)H-Index: 2
Last.Jennifer L. Kuk (UM: University of Michigan)H-Index: 6
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Previous literature suggests the beneficial effects of fitness on abdominal obesity may be attenuated in obesity and abolished in severe obesity. It is unclear whether the beneficial association between fitness and health is similarly present in those with mild and severe obesity. Patients from the Wharton Medical Clinic (n = 853) completed a clinical examination and maximal treadmill test. Patients were categorized into fit and unfit based on age- and sex-categories and body mass index (BMI) cl...
#1Katherina C. Chojnacki (York University)H-Index: 1
#2Thirumagal Kanagasabai (York University)H-Index: 5
Last.Chris I. Ardern (York University)H-Index: 26
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Abstract Objectives To examine the independent and joint associations between sleep duration and quality with glycated hemoglobin (A1C) levels and dysglycemia in non-institutionalized adults living in the United States. Methods Data from the United States National Health and Nutrition Examination Survey (2005-2008) were used (N=9478; ≥20 years). Information on sleep quantity and quality were derived from the Sleep Disorders Questionnaire and used to classify sleep quality as good, fair, poor, or...
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