Short versions of the Geriatric Depression Scale (GDS) among widowed older people in Taiwan: Comparing their psychometric properties.

Objective: To compare the psychometric properties of different short versions of the Geriatric Depression Scale (GDS) among community-dwelling widowed older people.

Methods: A cross-sectional design was conducted between February 2018 and August 2019 in southern Taiwan (n = 330). The GDS short versions included Hoyl et al's 5-item version, Molloy et al's 5-item version and van Marwijk et al's 4-item version.