Foundations.- Constructing Categories: Context and Consequences.- Constructs: Their Definition and Use.- Methodological Considerations.- Assessing Gender, Ethnicity, and Related Constructs.- Defining Race, Ethnicity, and Related Constructs.- Defining Sex, Gender, and Sexual Orientation.- Race, Ethnicity, and Sexual Orientation in Health.- Measures of Ethnicity, Ethnic Identification, Acculturation, and Immigration Status.- Measures of Sex, Gender,...