25% Proposes, designs, and conducts complex epidemiologic studies with large data sets (e.g., birth and death records), small data sets (e.g., Pregnancy Risk Assessment Monitoring System), and complex sample survey data (e.g., Texas School Physical Activity and Nutrition Study) to monitor the oral health of children, adolescents, pregnant women, and other populations. Proposes, designs, and conducts complex epidemiologic studies with large data sets, small data sets, and complex sample survey data to monitor the oral health of children, adolescents, pregnant women, and other populations.