A study to test a smartphone app to monitor disability in patients attending hospital for a six minute walk test

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Our primary objective is to develop an app capable of remotely performing a six-minute walk test (6MWT), reporting step-count data, reporting GPS data, extracting historical, pre-morbid step-data and providing responses to health-related quality of life (HRQoL) assessments, namely the world health organisation’s disability assessment schedule 2.0 (WHO-DAS). Ultimately, we want to perform accurate, objective and repeat sequential assessment of a patient’s physical function and level of activity. In this study, we plan to validate the app (Clinical Health Tracker) in 50 patients who attended hospital for a 6MWT over a subsequent five-day study period. The objectives for this component will be achieved by comparing:- The distances reported by the smartphone app during two 6MWT’s performed at recruitment, in clinic, with the actual distance walked and with three remotely performed 6MWTs during the study period. Daily step-counts reported by the app with daily step-counts reported by a Fitbit one. GPS data from the app with data from a BT-3000X GPS transponder WHO-DAS responses from the smartphone app with WHO-DAS responses to the questionnaire asked at the end of the study period. Step-count prior to the smartphone app being installed to step-counts following installation, to assess if the knowledge of being monitored affects the patient’s level of activity. Smartphone app generated GPS and step-count outcomes over a two month follow-up period We aim to validate the smartphone app in 50 individuals who are attending hospital for an outpatient 6MWT. We wish to enrol 50 individuals, 25 iPhone owners and 25 Android phone owners, who have been referred to the 6MWT clinic All patients who are scheduled to attend a 6MWT within CALHN will be written to, advising them of the study. Following consent, we will complete basic demographic details. participants will install our app on their phone using a local Wi-Fi network. Each individual will be provided with a unique ID in order to activate the app and will be provided with written and verbal instructions to the app’s use. They will be provided with a Fitbit one pedometer and a GPS transponder. They will perform their in-clinic 6MWT with the app recording the distance walked and the Fitbit recording the number of steps taken. They will then perform a second 6MWT, in clinic, using the app. They will leave clinic and undergo a 5-day study period, commencing at midnight the same day. They will be instructed to answer the WHO-DAS questionnaire using the app and to perform 3 remote 6MWT’s during the study period. Patients will be visited at home, or given the option to return to the Royal Adelaide Hospital, 5 days following their clinic appointment. The pedometer will be retrieved and step-counts extracted. They will provide verbal responses to the WHO-DAS and patient satisfaction questionnaires. Two months after their follow-up visit they will be phoned to remove the Clinical Health Tracker App.

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