Objectives. This article investigates differences in smoking and binge-drinking for Latinos by nativity, stratified by their age at immigration, and tests individual- and neighborhood-level acculturation measures as determinants of those differences. Methods. Data are from the Los Angeles Families and Neighborhoods Study (N=2,023) and analyses use multilevel logistic regression. Results. The article finds that Latino immigrants are less likely to smoke or binge drink, compared to their U.S.-born peers, and that acculturation measures account for some of the immigrant gaps in health behaviors, although results differ by gender and age at migration. Additionally, living in a neighborhood with a high foreign-born concentration is associated with lower odds of binge-drinking. Conclusions. Findings suggest that both individual- and neighborhood-level measures of acculturation may contribute to immigrant health behavior advantages, and that it is important to consider these relationships within the context of gender and age at migration. © 2009 by the Southwestern Social Science Association.

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