Behavioral Risk Factor Surveillance System (BRFSS) 2019-2021

This data is collected from the US 50 states and territories in partnership with the Centers for Disease Control and Prevention annually to gather information on use of preventive care measures, health behavior, and chronic diseases. Three-year data from 2019-2021 were used.本数据集通过与美国疾病控制与预防中心（Centers for Disease Control and Prevention）合作，每年从美国50个州及海外领地采集，用于收集预防保健措施使用情况、健康行为与慢性病相关信息。本次研究采用了2019-2021年的三年期数据。