The covert observation of the participant’s exercise was for a period of 30 minutes. Selleck GS-1101 The observer and the participant each counted the exercise repetitions using a hand-held tally counter. Participants were instructed to count all repetitions of their exercise accurately. At the end of the 30-minute observation session, the observer recorded the two tallies: the observer’s tally and
the participant’s tally. Participants were observed in the rehabilitation gymnasium, located adjacent to the two rehabilitation wards. Most participants attended the gym twice daily and participated in a variety of exercise groups, eg, the Upper Limb Group or Standing Balance Group. Observations occurred at different times of day and in a variety of therapy contexts including the exercise
groups. Different exercises were observed in the study including task-related upper limb practice (eg, reaching and manipulation) or lower limb practice (eg, sit-to-stand and walking), balance training, and strength exercises. The number of exercises completed by participants varied depending on the participants’ physical abilities and the exercise type. Some participants were observed in an exercise circuit where they changed exercises every six minutes, and others carried out the same exercise for the 30-minute period. Criterion-related selleck inhibitor validity was assessed by investigating the level of agreement of the participant-and observer-counted exercises using the intraclass correlation coefficient (ICC). The 3,1 form was used as we considered it to be the most appropriate form for this research out question. An ICC of greater than 0.75 is generally considered to represent excellent agreement (Fleiss, 1986). The level of agreement of participants with the observer was also calculated by tallying the proportion of participants in complete agreement with the observer. The proportion of participants in close agreement with the observer (ie, absolute percentage error up to 5%, 10%, 20%, and 30%) was also calculated. In addition, Pearson’s r was used
to assess the degree of correlation between each participant’s counting ability (calculated by the percentage agreement for their count compared to the observer) and their cognition (assessed by the Mini-Mental State Examination), their age, and their disability level (as assessed by the Modified Rankin Scale). Ninety people were admitted to the rehabilitation units during the study period: 60 to the aged care rehabilitation unit and 30 to neurological rehabilitation unit. Of the 60 patients admitted for aged care rehabilitation, 49 (82%) were judged by their treating therapist to be able to count their own exercise accurately. Twenty of these patients were randomly selected for inclusion in the 30-minute observation component of the study. Of the 30 patients admitted for neurological rehabilitation, 20 (67%) were judged by their treating therapist to be able to accurately count exercise repetitions.
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