Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Performed by chi test for categorical variants and t-test for continuous variables.
*p value<0.05.
K-GDS: Korean version of Geriatric Depression Scale, K-IADL: Korean-instrumental activities of daily living, MMSE-DS: Mini-Mental Status Examination-Dementia Screening, SD: standard deviation.
