The SF-36 is employed in various epidemiological contexts: - Descriptive Studies: To describe the health status of populations and identify health disparities. - Analytical Studies: To examine the relationship between health status and risk factors, such as socioeconomic status or environmental exposures. - Intervention Studies: To evaluate the impact of healthcare interventions or public health programs on HRQoL. - Policy Making: To inform health policy decisions by providing evidence on the health needs and outcomes of populations.