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Does diet mediate associations of volume and bouts of sedentary time with cardiometabolic health indicators in adolescents?

Fletcher, Elly A, Carson, Valerie, McNaughton, Sarah A, Dunstan, David W, Healy, Genevieve N and Salmon, Jo 2017, Does diet mediate associations of volume and bouts of sedentary time with cardiometabolic health indicators in adolescents?, Obesity, vol. 25, no. 3, pp. 591-599, doi: 10.1002/oby.21750.

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Title Does diet mediate associations of volume and bouts of sedentary time with cardiometabolic health indicators in adolescents?
Author(s) Fletcher, Elly AORCID iD for Fletcher, Elly A orcid.org/0000-0003-3958-9599
Carson, Valerie
McNaughton, Sarah AORCID iD for McNaughton, Sarah A orcid.org/0000-0001-5936-9820
Dunstan, David W
Healy, Genevieve N
Salmon, JoORCID iD for Salmon, Jo orcid.org/0000-0002-4734-6354
Journal name Obesity
Volume number 25
Issue number 3
Start page 591
End page 599
Total pages 9
Publisher Wiley-Blackwell
Place of publication London, Eng.
Publication date 2017-03
ISSN 1930-7381
1930-739X
Keyword(s) diet
cardiometabolic health
adolsecent health
volume
duration
sedentary time
National Health and Nutrition Examination Survey (NHANES)
body mass index
metabolic syndrome
dietary behavior
Science & Technology
Life Sciences & Biomedicine
Endocrinology & Metabolism
Nutrition & Dietetics
Physical-activity
Childhood overweight
United-States
Energy-intake
Risk-factors
Children
Behavior
Youth
Patterns
Summary Examine the mediating role of diet in the relationship between volume and duration of sedentary time with cardiometabolic health in adolescents. Adolescents (12-19 years) participating in the 2003/04 and 2005/06 U.S. National Health and Nutrition Examination Survey (NHANES) were examined. Cardiometabolic health indicators were body mass index z-scores (zBMI) (n = 1,797) and metabolic syndrome (MetS) (n = 812). An ActiGraph hip-worn accelerometer was used to derive total sedentary time and usual sedentary bout duration. Dietary intake was assessed using two 24-hour dietary recalls. Mediation analyses were conducted to examine five dietary mediators [total energy intake, discretionary foods, sugar-sweetened beverages (SSB), fruits and vegetables, and dietary quality] of the relationship between total sedentary time and usual sedentary bout duration with zBMI and MetS. Total sedentary time was inversely associated with zBMI (β = -1.33; 95% CI -2.53 to -0.13) but attenuated after adjusting for moderate-to-vigorous physical activity. No significant associations were observed between usual sedentary bout duration with zBMI or either sedentary measure with MetS. None of the five dietary variables mediated any of the relationships examined. Further studies are needed to explore associations of specific time periods (e.g., after school) and bout durations with both cardiometabolic health indicators and dietary behaviors.
Language eng
DOI 10.1002/oby.21750
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
MD Multidisciplinary
Socio Economic Objective 920401 Behaviour and Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID ARC FT100100581
NHMRC APP1078360
NHMRC APP1026216
NHMRC APP1057608
Copyright notice ©2017, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution Non-Commercial No-Derivatives licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30090952

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.