“…There is, in fact, evidence that children who walk or bike to school tend to be lower income (Harten & Olds, 2004;McMillan, 2007;McDonald, 2008;Metcalf, Voss, Jeffery, Perkins, & Wilkin, 2004) and that poor children bear a disproportionate burden of obesity (Phipps, Burton, Osberg, & Lethbridge, 2006). A study conducted by the first author in a low-income neighborhood found transportation barriers -lack of car ownership or appropriate public transportation substitutes -to purchasing healthy foods, suggesting that lack of car ownership due to poverty may lead both to barriers to accessing healthy foods and to higher rates of AST among children (Chaufan, Constantino, & Davis, 2011). Similarly, a study of low-income mothers indicated that compulsory walking due to lack of car ownership undermined the health and well-being of mothers and their children (Bostock, 2001).…”