Race Ethnicity and other Social Factors. This volume focuses on differences in health and health care as linked to important social factors. The first section reviews basic material on the topic. The second section on racial and ethnic factors in differences in health and health care is the largest section of the book, and includes six articles looking at racial disparities on a variety of topics such as knowledge of hepatitis C Virus health services received and patients experiences in seeking health care use of CAM complementary and alternative medicine services and the role of social capital in class and race health