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Table 2 Summary of the outcome measures

From: Effectiveness of dual-task functional power training for preventing falls in older people: study protocol for a cluster randomised controlled trial

Outcome measures Data collection method Data collection points
  Baseline 6 months 12 months 18 months
Primary outcome measure   
Falls Monthly falls calendars Monthly
Secondary outcome measures      
 Muscle power 5-consective sit-to-stands x x x x
 Muscle strength 30-second Sit-to-Stand test x x x x
Isometric knee extensor strength x x x x
Isometric dorsi-flexion strength x x x x
Hand grip dynamometer x x x x
 Muscle function and balance Timed up-and-Go: single- and dual-task x x x x
Four-squared step test x x x x
Choice reaction time x x x x
 Single- and dual-task gait Gait (4.9 m electronic walkway): gait velocity, cadence, step length, double support time, stride wide and dual-task cost x x x x
 Instrumental Activities of Daily Lawton IADL questionnaire x x x x
 Living (IADL)
 Health-related Quality of Life Short Form (36) version 2 questionnaire and the Assessment of Quality of Life - 6D scale x x x x
 Cognitive function CogState Brief Battery computerised tests x x x x
 Falls self-efficacy Falls Efficacy Scale-International questionnaire x x x X
Additional measures      
 Anthropometry Height, weight and body mass index x x x x
 Body composition Bioelectrical impedance (fat mass, fat-free mass and % fat) x x x x
 Physical activity Community Healthy Activities Model Programme for Seniors questionnaire x x x x
 Falls-related injuries Monthly calendar Monthly
 Health and medical history Lifestyle questionnaire x x x x
 Dietary intake Anti-Cancer Council Food Frequency Questionnaire x x x x
 Adverse eventsa Questionnaire and interview   x x x
 Exercise programme compliance Calculated from exercise cards Collected every month
  1. aAdverse events will also be collected at 3 months.