"This paper explores various methodological issues relating to immigrant health, including the definition of an immigrant, the
assessment of immigrant status, and sampling and recruitment strategies for studies relating to immigrant health."

This report presents national prevalence estimates of selected measures of physical health status and limitations, health care access and utilization, and mental health status among the civilian noninstitutionalized population of U.S.and
foreign-born adults aged 18 years and over in four race-ethnicity groups in the United States. Reference section might be helpful for identifying additional data sources.