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Partnerships between deaf people and hearing dogs (PEDRO): Effectiveness and Cost-Effectiveness of Receiving a Hearing Dog on Mental Well-Being and Health in People With Hearing Loss: Protocol for a Randomized Controlled Trial

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JournalJMIR Research Protocols
DateAccepted/In press - 14 Jan 2020
DatePublished (current) - 17 Apr 2020
Issue number4
Volume9
Number of pages11
Pages (from-to)1-11
Original languageEnglish

Abstract

Background People with hearing loss, particularly those who lose their hearing in adulthood, are at increased risk of social isolation, mental health difficulties, unemployment, loss of independence, risk of accidents, and impaired quality of life. In the United Kingdom (UK), a single third sector organisation provides hearing dogs, a specific type of assistance dog trained to provide sound support to people with hearing loss. These dogs may also deliver numerous psychosocial benefits to recipients. This has not previously been fully investigated.
Objective To evaluate the impact of a hearing dog partnership on the lives of individuals with severe or profound hearing loss.
Methods and Analysis A two-arm, randomised controlled trial conducted within the UK, with 162 hearing dog applicants, aged 18 years and over. Participants will be randomised 1:1 using a matched-pairs design to receive a hearing dog sooner than usual (intervention arm – Arm B) or to receive a hearing dog within the usual timeframe (comparator arm – Arm A).
In the effectiveness analysis, the primary outcome is a comparison of mental wellbeing six-months after Arm B have received a hearing dog (Arm A: not yet received hearing dog), measured using the Short Warwick Edinburgh Mental Wellbeing Scale. Secondary outcome measures include the PHQ-9, GAD-7 and WSAS.
An economic evaluation will assess cost-effectiveness including health-related quality-adjusted life years using the EQ-5D-5L and social-care-related-quality-adjusted life-years.
Participants will be followed up for up to two years. A nested qualitative study will investigate the impacts of having a hearing dog and how these impacts come about.
Results The study was funded by the National Institute for Health Research’s School for Social Care Research. Recruitment commenced in March 2017 and is now complete. 165 participants were randomised. Data collection will continue until January 2020. Results will be published in peer-reviewed journals and at conferences. A summary of the findings will be made available to participants. Ethical approval was received from the University of York’s Department of Social Policy and Social Work Research Ethics Committee (reference SPSW/S/17/1).
Conclusions The findings from this study will provide, for the first time, strong and reliable evidence on the impact of having a hearing dog on people’s lives in terms of their quality of life, well-being and mental health.
Trial registration The trial has been retrospectively registered International Standard Randomised Controlled Trial Number (ISRCTN) 36452009; https://doi.org/10.1186/ISRCTN36452009.
Trial status: Ongoing.

Bibliographical note

© The Authors, 2020

    Research areas

  • Randomised controlled trial, Assistance Dogs, Hearing Loss, Health Economics, Qualitative methods

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