Journal of Physical Activity and Health
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The effect of anatomical placement and trunk adiposity on the reliability and validity of triaxial accelerometer output during treadmill exe...
Accelerometers are commonly used to quantify physical activity. There is no accordance regarding the most suitable attachment site. This study assessed the reliability and validity of accelerometer output (PAC) from 2 placements. 26 females (age 20.4 ± 1.3 years, body mass 62.7 ± 6.8 kg) twice perfo...
Playground characteristics to encourage children to visit and play.
The findings confirm correlational findings on the desirability of equipment and safety. Communities need to test the effects of changes in playgrounds....
Examining the associations of perceived community racism with self-reported physical activity levels and health among older racial minority ...
We also investigated how PA levels influenced health. We analyzed survey data obtained from a health assessment conducted in 3360 households in Texas, USA, which included items pertaining to PA, community characteristics, and health. Our sample contained 195 women and 85 men (mean age 70.16), most o...
Comparison of 3 accelerometer data reduction approaches, step counts, and 2 self-report measures for estimating physical activity in free-li...
Accelerometers have become one of the most common methods of measuring physical activity (PA). Thus, validity of accelerometer data reduction approaches remains an important research area. Yet, few studies directly compare data reduction approaches and other PA measures in free-living samples. To co...
Do motivation-related cognitions explain the relationship between perceptions of urban form and neighborhood walking?
We examined the extent to which the Theory of Planned Behavior (TPB) mediated the association between neighborhood walkability and walking. Two random cross-sectional samples (n = 4422 adults) completed telephone interviews capturing walking-related TPB variables (perceived behavioral control (PBC),...
How does a hilly urban environment influence daily physical activity in obese individuals?
BMI and outdoor topography should also be considered when prescribing extra walking in free-living conditions....
How many hours are enough? Accelerometer wear time may provide bias in daily activity estimates.
This suggests a minimum accelerometer wear time of 13 h·d-1 is needed to provide a valid measure of daily PA when 14 h·d-1 is used as a reference....
Development and evaluation of social cognitive measures related to adolescent physical activity.
Results support the validity and reliability of social cognitive scales relating to physical activity among adolescents. As such, the developed scales have utility for the identification of potential social cognitive correlates of youth physical activity, mediators of physical activity behavior chan...
Feasibility and acceptability of using pedometers as an intervention tool for latinas.
Due to high rates of inactivity and related chronic illnesses among Latinas, the current study examined the feasibility and acceptability of using pedometers as an intervention tool in this underserved population. Data were taken from a larger randomized, controlled trial2 and focused on the subsamp...
County-level effects of green space access on physical activity.
Parks and other forms of green space are among the key environmental supports for recreational physical activity. Measurements of green space access have provided mixed results as to the influence of green space access on physical activity. This cross-sectional study uses a geographical information...