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People with Parkinson’s disease (PwP) report greater fear of falling (FOF) and demonstrate poorer dualtask performance than healthy age-matched controls. The aim of this study was to assess the association between FOF and dual-task performance in PwP. 31 PwP participated (17 male, 14 female) with mild to severe disease severity (Hoehn and Yahr Stages I:8, II:4, III:13 and IV:6) and mean age of 69.5 ( +- 8.4) years. FOF was assessed using the Activities-specific Balance Confidence scale. Dual-tasks performed with the Timed Up and Go (TUG) were TUG-Manual: carrying a glass of water, TUG-Arithmetic: serial subtractions and TUG-Literacy: reciting the days of the week backwards. 45% (n = 14) reported high levels of FOF. FOF had a strong significant inverse association with the motor dual-task (r = 0.504, p = 0.01) and a weak to moderate non-significant association with the cognitive dual-tasks (TUG-Literacy r = - 0.343, p = 0.06; TUG-Arithmetic r = 0.282, p = 0.13). Cognitive dysfunction (MiniMental State Examination score) was significantly inversely associated with the cognitive dual-tasks (TUG-Literacy: r = - 0.48, p = 0.01) (TUG-Arithmetic: r = - 0.532, p < 0.001) but not with the motor dualtask (r = - 0.16, p = 0.44). The association between FOF and dual-task performance is dependent on task type and complexity. Future research should determine the cause and effect nature of this relationship in a longitudinal cohort study.

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