Validity and reliability of Bayer Activities of Daily Living (Bayer- ADL) scale in the Iranian elderly dementia population: Is there distinguish between illiterate and literate demented in functional dependency?

This validation study is discriminant and concurrent, with the Bayer-Activities of Daily Living (Bayer-ADL) tool among the Iranian elderly dementia illiterate and literate. The tools Bayer-ADL, Global Deterioration Scale (GDS), Mini Mental State Examination (MMSE), ADL-Barthel, and instrumental activities of daily living (IADL) were applied to find Bayer-ADL correlations in 311 dementia outpatients that were ≥60 years old. The Iranian version Bayer-ADL scores between illiterate and literate dementia elderly, based on GDS, observed good discrimination values (0.