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Abstract
This study focussed on self-report outcome in new hearing-aid users. The objectives of the experiment were changes in self-report outcome over time, and relationships between different subjective measures of benefit and satisfaction. Four outcome inventories and a questionnaire on auditory lifestyle were administered to 25 hearing-aid users repeatedly after hearing-aid fitting, and assessments took place one week, four weeks, and 13 weeks after hearing-aid provision. The results showed that, for first-time users who used their hearing aids more than four hours per day, self-reported outcome increased over 13 weeks in some scales, although there was no change in amplification during this time. Furthermore, it was found that, for data collected immediately post-fitting, some subscales were much less face valid than for data collected later. This result indicates that the way in which hearing-aid users assess outcome changes over time. The practical consequence of the results is that early self-report outcome assessment may be misleading for some self-report outcome schemes.
Sumario
El estudio se enfocó en los resultados auto-reportados en nuevos usuarios de auxiliares auditivos (AA). Los objetivos del experimento fueron los cambios en los resultados auto-reportados en el tiempo y las relaciones entre las diferentes mediciones subjetivas de beneficio y satisfacción. Se aplicaron cuatro inventarios de resultados y un cuestionario sobre estilo de vida auditivo a 25 usuarios de AAdespués de la adaptación; la evaluación tuvo lugar una, cuatro y trece semanas después. Los resultados muestran que para los nuevos usuarios que utilizan su AA más de 4 horas al día, los resultados auto-reportados mejoran en algunas escalas en el curso de 13 semanas, aun cuando no hubiera cambio en la amplificación durante este tiempo. Incluso, se encontró que los datos colectados inmediatamente después de la adaptación, fueron menos válidos que los colectados posteriormente. Estos resultados indican que la forma en que los usuarios evalúan los resultados, cambia con el tiempo. La consecuencia práctica es que los resultados auto-reportados tempranamente pueden ser engañosos en algunos esquemas de resultados auto-reportados.
| Acronyms | ||
| ALD | = | Auditory lifestyle and demand |
| GHABP | = | Glasgow hearing aid benefit profile |
| HAPQ | = | Hearing aids performance questionnaire |
| IOI-HA | = | International outcome inventory for hearing aids |
| SADL | = | Satisfaction with amplification in daily life |
| Acronyms | ||
| ALD | = | Auditory lifestyle and demand |
| GHABP | = | Glasgow hearing aid benefit profile |
| HAPQ | = | Hearing aids performance questionnaire |
| IOI-HA | = | International outcome inventory for hearing aids |
| SADL | = | Satisfaction with amplification in daily life |
Notes
1. Also available at www.pdn.cam.ac.uk/cnbh/mdv/arc/
2. HL (hearing level) is only defined for standard audiometric frequencies; the HL values at other frequencies were determined from thresholds in dB SPL by linear interpolation along logarithmic frequency of the RETSPL (reference equivalent threshold sound pressure level) values for the Senheiser HDA200 headphones.