Previous studies have implicated acculturation to the US as a risk factor for unhealthy behaviors among Hispanic and Asian-American adolescents, including substance use, violence, and unsafe sex. This study examined the association between acculturation and obesity-related behaviors-physical activity and fast-food consumption-among 619 Asian-American and 1385 Hispanic adolescents in Southern California. Respondents completed surveys in 6th and 7th grade. The 6th grade survey assessed acculturation with the AHIMSA acculturation scale and a measure of English language usage. The 7th grade survey assessed frequency of moderate-to-intense physical activity and frequency of eating fast-food. Multiple regression analyses included acculturation and demographic covariates as predictors of physical activity and fast-food consumption. Acculturation to the US, assessed in 6th grade, was significantly associated with a lower frequency of physical activity participation and a higher frequency of fast-food consumption in 7th grade. The significant associations persisted after controlling for covariates and were consistent across gender and ethnic groups. Results suggest that acculturation to the US is a risk factor for obesity-related behaviors among Asian-American and Hispanic adolescents. Health promotion programs are needed to encourage physical activity and healthy diets among adolescents in acculturating families.

Understanding culture is an essential key to reducing tobacco use. Conceptualizations of culture vary across scientific disciplines and theoretical orientations. Because of the complexity of the causes and effects of tobacco use, no single discipline has sufficient capacity to undertake a comprehensive approach to studying culture and tobacco. Transdisciplinary research offers a means of bridging disciplinary perspectives. This paper reviews epidemiological data on observed variation in smoking patterns across national groups, ethnicities and genders, and presents reasons for studying culture in tobacco control research. We discuss and contrast conceptualizations and specific definitions of culture and identify aspects of each conceptualization that are relevant to research on tobacco. We present a multilevel, multidimensional conceptual framework for transdisciplinary research teams to use to think together about the influence of culture on tobacco and of tobacco on culture. The framework challenges researchers to think about how the sociocultural context influences tobacco use at micro, meso, and macro levels. Finally, we offer suggestions for improving transdisciplinary research on culture and tobacco.

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