Adverse associations of car time with markers of cardio-metabolic risk

Sugiyama, Takemi, Wijndaele, Katrien, Koohsari, Mohammad Javad, Tanamas, Stephanie K., Dunstan, David W. and Owen, Neville (2016) Adverse associations of car time with markers of cardio-metabolic risk. Preventive Medicine, 83 26-30. doi:10.1016/j.ypmed.2015.11.029


Author Sugiyama, Takemi
Wijndaele, Katrien
Koohsari, Mohammad Javad
Tanamas, Stephanie K.
Dunstan, David W.
Owen, Neville
Title Adverse associations of car time with markers of cardio-metabolic risk
Journal name Preventive Medicine   Check publisher's open access policy
ISSN 1096-0260
0091-7435
Publication date 2016-02-01
Year available 2015
Sub-type Article (original research)
DOI 10.1016/j.ypmed.2015.11.029
Open Access Status DOI
Volume 83
Start page 26
End page 30
Total pages 5
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Language eng
Formatted abstract
Objective:  To examine associations of time spent sitting in cars with markers of cardio-metabolic risk in Australian adults.

Method:  Data were from 2800 participants (age range: 34–65) in the 2011–12 Australian Diabetes, Obesity and Lifestyle Study. Self-reported time spent in cars was categorized into four groups: ≤ 15 min/day; > 15 to ≤ 30 min/day; > 30 to ≤ 60 min/day; and > 60 min/day. Markers of cardio-metabolic risk were body mass index (BMI), waist circumference, systolic and diastolic blood pressure, triglycerides, HDL (high-density lipoprotein)-cholesterol, fasting plasma glucose, 2-h plasma glucose, a clustered cardio-metabolic risk score, and having the metabolic syndrome or not. Multilevel linear and logistic regression analyses examined associations of car time with each cardio-metabolic risk outcome, adjusting for socio-demographic and behavioral variables and medication use for blood pressure and cholesterol/triglycerides.

Results:  Compared to spending 15 min/day or less in cars, spending more than 1 h/day in cars was significantly associated with higher BMI, waist circumference, fasting plasma glucose, and clustered cardio-metabolic risk, after adjusting for socio-demographic attributes and potentially relevant behaviors including leisure-time physical activity and dietary intake. Gender interactions showed car time to be associated with higher BMI in men only.

Conclusions:  Prolonged time spent sitting in cars, in particular over 1 h/day, was associated with higher total and central adiposity and a more-adverse cardio-metabolic risk profile. Further studies, ideally using objective measures of sitting time in cars and prospective designs, are needed to confirm the impact of car use on cardio-metabolic disease risk.
Keyword Adiposity
Automobile
Motorized transport
Sedentary behavior
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2016 Collection
School of Public Health Publications
 
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