DDHealth: a cross-sectional sociodemographic health, health literacy and digi...

We undertook a cross-sectional study in March-April 2022 with a target sample size of 2,000 adults aged 50-79 years old residing in Spain. Sample selection was randomized using...本研究于2022年3月至4月开展一项横断面研究，目标样本量为2000名居住于西班牙的50至79岁成年人。样本选取采用随机化方法（原文未完整呈现后续操作细节）。