Evaluating Hearing Aid Service Delivery Models

Status Completed

Clinical Trial Summary

The purpose of this study is to compare the outcomes for two different hearing-aid delivery models. In one model, the audiologist selects and fits the hearing aid and, in the other model, the consumer does this directly.

Clinical Trial Description

The objectives of this study were to determine efficacy of hearing aids in older adults using audiology best practices, to evaluate the efficacy of an alternative over-the-counter (OTC) intervention, and to examine the influence of purchase price on outcomes for both service-delivery models. The design of this study was a single-site, prospective, double-blind placebo-controlled randomized trial with three parallel branches: (a) audiology best practices (AB), (b) consumer decides OTC model (CD), and (c) placebo devices (P). Outcome measures were obtained after a typical 6-week trial period with follow-up 4-week AB-based trial for those initially assigned to CD and P groups.

Older adults from the general community were recruited via newspaper and community flyers to participate at a university research clinic. Participants were adults, ages 55-79 years,with mild-to-moderate hearing loss. Intervention(s): All participants received the same highenddigital mini-behind-the-ear hearing aids fitted bilaterally.AB and P groups received best-practice services from audiologists; differing mainly in use of appropriate (AB) or placebo (P) hearing aid settings. CD participants self-selected their own pre-programmed hearing aids via an OTC model. Primary outcome measure was a 66-item self-report, Profile of Hearing Aid Performance/Benefit. Secondary outcome measure was the Connected Speech Test benefit. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01788423
Study type	Interventional
Source	Indiana University
Contact
Status	Completed
Phase	N/A
Start date	November 2012
Completion date	February 28, 2018

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