作者
Jacqueline Hay, Katerina Maximova, Anita Durksen, Valerie Carson, Randi Lynn Rinaldi, Brian Torrance, Geoff DC Ball, Sumit R Majumdar, Ronald C Plotnikoff, Paul Veugelers, Normand G Boulé, Paul Wozny, Linda McCargar, Shauna Downs, Richard Lewanczuk, Jonathan McGavock
发表日期
2012/11/1
期刊
Archives of pediatrics & adolescent medicine
卷号
166
期号
11
页码范围
1022-1029
出版商
American Medical Association
简介
Objective
To determine the association between physical activity (PA) intensities and cardiometabolic risk factors in youth.
Design
Cross-sectional study using data from the 2008 Healthy Hearts Prospective Cohort Study of Physical Activity and Cardiometabolic Health in Youth.
Setting
Rural and urban communities in Alberta, Canada.
Participants
A convenience sample of 605 youth aged 9 to 17 years. Youth were on average aged 12.1 years, 248 were boys (41%), and 157 were overweight or obese (26%).
Main Exposure
Actical accelerometer–measured PA intensity.
Main Outcomes Measures
The primary outcome was body mass index (calculated as weight in kilograms divided by height in meters squared) z score. Secondary outcome measures included waist circumference, systolic blood pressure, and cardiorespiratory fitness (maximal oxygen consumption [[Vdot]O2max]).
Results
Body mass index z score, waist …
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