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. 2018 Jun 22;8(6):e022057. doi: 10.1136/bmjopen-2018-022057

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Study flow. BPNES, Basic Psychological Needs in Exercise Scale; CFS, Clinical Frailty Scale; 6-MWT, 6 min walk test; PANAS, Positive and Negative Affect Schedule; SPPB, short physical performance battery; TDF, Theoretical Domains Framework; WHODAS, WHO Disability Assessment Schedule measuring Disability-Free Survival; EQ-5D: Health-Related Quality of Life Measure; Baseline Activity Questionnaire; Fear of Falling Questionnaire; Healthcare resource utilisation: length of hospital stay, discharge to an institution, readmissions within 30 days of discharge and total healthcare costs.