A formula for calculating 30-item Geriatric Depression Scale (GDS-30) scores from the 15-item version (GDS-15) - Zhang Y, Hoozemans M, Pijnappels M, Bruijn SM.

The Geriatric Depression Scale with 30 items (GDS-30) and with 15 items (GDS-15) are both valid tools for assessing depression in older adults, but their absolute values are not directly comparable. Here, we used a dataset (n  = 431) with GDS-30 scores ...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Age: Elder Adults Source Type: news