@article{ref1,
title="Understanding physical activity environmental correlates: increased specificity for ecological models",
journal="Exercise and sport sciences reviews",
year="2005",
author="Giles-Corti, Billie and Timperio, Anna and Bull, Fiona and Pikora, Terri",
volume="33",
number="4",
pages="175-181",
abstract="Ecological models are now used to understand the complex array of factors that influence physical activity, resulting in a greater emphasis on environmental correlates. This selective review examines whether the predictive capacity of these models could be improved if behavior-specific measures of the environment were used to predict context-specific behaviors.<p />",
language="",
issn="0091-6331",
doi="10.1097/00003677-200510000-00005",
url="http://dx.doi.org/10.1097/00003677-200510000-00005"
}