COMPARING ANALOG AND DIGITAL HEARING AIDS IN REDUCING HEARING DISABILITY

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KOHANSAL B.; KHALESI M.H.; MOHAMMADKHANI GH.; FAGHIHZADEH S.; JAAFARI Z.

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Journal Paper

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Journal: Auditory and Vestibular Research Journal Year:2004 | Volume:14 | Issue:22 Page(s): 3-10

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Title

COMPARING ANALOG AND DIGITAL HEARING AIDS IN REDUCING HEARING DISABILITY

Author(s)

Keywords

ANALOG HEARING AID

DIGITAL HEARING AID

SELF-ASSESSMENT INVENTORY

APHAB

Abstract

Objective: Comparing analog and DIGITAL HEARING AIDs reducing disability caused by hearing deficiency among moderate to severe sensorineural hearing-impaired persons.Method and Material: This descriptive - analytic study was carried out on two groups of subjects participated in this study in some audiology clinics of hearing aid since May 2002 to October 2003. Twenty subjects wore ANALOG HEARING AIDs and twenty one subjects wore DIGITAL HEARING AIDs. In this study, no subject had previous middle ear or psychological problems. APHAB questionnaire was completed before using hearing aid and 2 months after to determine benefit of hearing aid use.Results: Total score mean of APHAB inventory before and after use of ANALOG HEARING AIDs were 52.215±6.420 and 32.300±3.443 respectively. Also total score mean of APHAB inventory before and after use of DIGITAL HEARING AIDs were 54.9252±9.028 and 26.321±10.916 respectively. There was no significant difference between total mean score of APHAB inventory before and after using analog and DIGITAL HEARING AIDs (P=0.058). While there was significant difference between total mean score of APHAB questionnaire before and after use of ANALOG HEARING AIDs (P<0.001) and also before and after use of DIGITAL HEARING AIDs (P<0.001).Moreover age, gender, literacy level, occupation, degree of hearing loss and manner of hearing aid usage did not have significant effect on APHAB results. Configuration of loss had significant effect on aversiveness subscale before and after use of ANALOG HEARING AIDs (P=0.008).Previous experience and duration of hearing aid usage had significant effect on aversiveness subscale before and after use of DIGITAL HEARING AIDs (P=0.043) and (P=0.024), respectively, while all of these three items did not have significant effect on total mean score of APHAB inventory and also total mean scores of three subscales of ease of communication, reverberation and background noise.Conclusion: Comparing to ANALOG HEARING AID, digital one is significantly beneficial for reverberation and background noise for hearing-impaired persons, but it has no. benefit for ease of communication and aversiveness that may be arose from effects of the individual expectation, psychological and personal factors.

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APA: Copy

KOHANSAL, B., KHALESI, M.H., MOHAMMADKHANI, GH., FAGHIHZADEH, S., & JAAFARI, Z.. (2004). COMPARING ANALOG AND DIGITAL HEARING AIDS IN REDUCING HEARING DISABILITY. AUDITORY AND VESTIBULAR RESEARCH, 14(22), 3-10. SID. https://sid.ir/paper/545843/en

Vancouver: Copy

KOHANSAL B., KHALESI M.H., MOHAMMADKHANI GH., FAGHIHZADEH S., JAAFARI Z.. COMPARING ANALOG AND DIGITAL HEARING AIDS IN REDUCING HEARING DISABILITY. AUDITORY AND VESTIBULAR RESEARCH[Internet]. 2004;14(22):3-10. Available from: https://sid.ir/paper/545843/en

IEEE: Copy

B. KOHANSAL, M.H. KHALESI, GH. MOHAMMADKHANI, S. FAGHIHZADEH, and Z. JAAFARI, “COMPARING ANALOG AND DIGITAL HEARING AIDS IN REDUCING HEARING DISABILITY,” AUDITORY AND VESTIBULAR RESEARCH, vol. 14, no. 22, pp. 3–10, 2004, [Online]. Available: https://sid.ir/paper/545843/en

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