Participants were 784 Chinese- (n = 406; 50% women) and Korean-American (n = 378; 52% women) students at the University of California, San Diego (UCSD) who were 21 to 26 years old (M = 21.8, SD = 1.14) and reported all four of their grandparents were entirely of Chinese or Korean ethnicity. These participants were recruited through advertisements on campus and in the school newspaper that did not specify the nature of the study. To increase the likelihood of accurate reporting, participants were informed of the multiple procedures used to protect subject confidentiality, including the Certificate of Confidentiality obtained from the U.S. Department of Health and Human Services that restricts access to individual data by subpoena. Informed written consent for participation was obtained. This study was approved by the UCSD Human Research Protections Program.
