The Harvard School of Public Health/Robert Wood Johnson Foundation Subethnicities Survey 2007 covered public health topics and featured an unusual sample of the many diverse ethnicities of origin in the United States.The sample included 1,067 Hispanic respondents, including 100 Cubans and 100 Puerto Ricans;  1,001  non-Hispanic whites; 1100 non-Hispanic blacks, including 100 African respondents and 103 Caribbean respondents;  102  Native Americans,  and 1064  non-Hispanic Asians, including 101 Japanese respondents. Respondents were asked about the causes of childhood obesity, their experiences with the healthcare system, quality of their medical care, health insurance status, and more. Download the HSPH/RWJF Subethnicities dataset.