Changes in instrumental activities and autonomy during the nationwide COVID-19 lockdown and their relationships with the Barthel level, income level, and three-year survival.

Changes in instrumental activities and autonomy during the nationwide COVID-19 lockdown and their relationships with the Barthel level, income level, and three-year survival.全国新冠疫情封控期间工具性日常生活活动与自主能力的变化，及其与巴氏指数（Barthel）水平、收入水平、三年生存率的关联。