. . "Self-reported personal characteristics include age (i.e., 45~64 or above 65 years old), gender (i.e., male or female), the highest grade of education (i.e., less than high school, high school, or higher than high school), race/ethnicity (i.e., non-Hispanic White, African American, Hispanic, or other races such as Asian, Black, or Native American), and residence (i.e., rural or urban areas)." . . .