Do Neighborhood Effects Depend on the Definition of the Neighborhood? • Jennifer A. Ailshire, University of Southern California ; Jeffrey D. Morenoff, University of Michigan ; Robert Melendez, University of Michigan

Neighborhood-Level Physical Disorder and Its Relationship to Poverty, Affluence, Residential Stability, and Ethnicity in Los Angeles • Malia Jones, University of California, Los Angeles ; Anne Pebley, University of California, Los Angeles

Neighborhood Social Context and Smoking Cession: A Multilevel Study of Collective Efficacy and Social Norms • Deborah Karasek, University of California, San Francisco ; Jennifer Ahern, University of California, Berkeley