TY - JOUR T1 - The multiple scales of area effects on health: from evidence to implications for public health practice and policy JF - Journal of Epidemiology and Community Health JO - J Epidemiol Community Health SP - 10 LP - 10 DO - 10.1136/jech.2009.096701j VL - 63 IS - Suppl 2 AU - M. Riva Y1 - 2009/10/01 UR - http://jech.bmj.com/content/63/Suppl_2/10.abstract N2 - In area effects on health research, the influence of area characteristics on health is conceptualised and measured in multiple ways. Each conceptualisation, and its empirical application, is therefore likely to provide a unique identification and understanding of the environmental determinants of health and their potential mechanisms of influence, and may convey different information for public health practice and policy. Using as an example the influence of the built environment on physical activity in Montreal, Canada, the objectives of this presentation are to: … ER -