J P Hobson1, N I Edwards, R J Meara. 1. University Department of Geriatric Medicine, Glan Clwyd Hospital Rhyl, North Wales, UK. adunorthwales@hotmail.com
Abstract
OBJECTIVE: To develop a brief, valid and reliable self-report scale for the assessment of activities of daily living in Parkinson's disease (PD). DESIGN: Self-report questionnaire development. SUBJECTS: One hundred and seventy subjects with a diagnosis of clinically probable PD living in the community. MEASURES: The self-rating scale--Parkinson's Disease Activities of Daily Living Scale (PADLS), Webster Scale, CAMCOG neuropsychological test,15-item Geriatric Depression Scale (GDS-15) and the self-rated Parkinson's Disease Quality of Life (PDQL) questionnaire. METHODS: The PADLS was initially validated and test-retest reliability assessed in a group of PD patients (n = 38). Next a convenience sample of 132 patients was drawn from a community-based PD register. Subjects were invited to complete the PADLS, PDQL, GDS-15, Webster scale and CAMCOG test. RESULTS: The PADLS correlated significantly with increasing age, duration of illness, disease severity, increasing depression, impaired cognition and poorer health-related quality of life. CONCLUSION: The PADLS was found to be a reliable and valid measure of ADL, demonstrating acceptable internal consistency and strong associations with existing measurers of disease severity, depression, cognitive screening and health-related quality of life. The PADLS allows patients to subjectively report the impact that PD has upon daily activities and will complement existing formal clinical measures in PD.
OBJECTIVE: To develop a brief, valid and reliable self-report scale for the assessment of activities of daily living in Parkinson's disease (PD). DESIGN: Self-report questionnaire development. SUBJECTS: One hundred and seventy subjects with a diagnosis of clinically probable PD living in the community. MEASURES: The self-rating scale--Parkinson's Disease Activities of Daily Living Scale (PADLS), Webster Scale, CAMCOG neuropsychological test,15-item Geriatric Depression Scale (GDS-15) and the self-rated Parkinson's Disease Quality of Life (PDQL) questionnaire. METHODS: The PADLS was initially validated and test-retest reliability assessed in a group of PDpatients (n = 38). Next a convenience sample of 132 patients was drawn from a community-based PD register. Subjects were invited to complete the PADLS, PDQL, GDS-15, Webster scale and CAMCOG test. RESULTS: The PADLS correlated significantly with increasing age, duration of illness, disease severity, increasing depression, impaired cognition and poorer health-related quality of life. CONCLUSION: The PADLS was found to be a reliable and valid measure of ADL, demonstrating acceptable internal consistency and strong associations with existing measurers of disease severity, depression, cognitive screening and health-related quality of life. The PADLS allows patients to subjectively report the impact that PD has upon daily activities and will complement existing formal clinical measures in PD.
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