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Fig. 1 | Health and Quality of Life Outcomes

Fig. 1

From: The path linking disease severity and cognitive function with quality of life in Parkinson’s disease: the mediating effect of activities of daily living and depression

Fig. 1

Multiple mediation model with ADL and depression as chaining mediators (PD severity as independent variable). HY: Modified Hoehn and Yahr Scale, UPDRS II: Unified Parkinson’s Disease Rating Scale, GDS: Geriatric Depression Scale, PCS: physical component summary, MCS: mental component summary. The solid lines indicate the PCS model and the dotted lines indicate the MCS model. Control variables: age, marital status, and education level. ***p < 0.001; *p < 0.05

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