AJA Papers in Press
Published online January 23, 2012
American Journal of Audiology 2012; doi:10.1044/1059-0889(2011/11-0024)

American Journal of Audiology 2012;21:33.

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Article

Association Between Cardiorespiratory Fitness and Hearing Sensitivity

Paul D. Loprinzi

Assistant Professor, Bellarmine University, Department of Exercise Science, Donna & Allan Lansing School of Nursing & Health Sciences, Louisville, KY

Bradley J. Cardinal

Professor, Oregon State University, Program in Exercise and Sport Science, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Corvallis, OR

Ben Gilham

Hearing, Speech and Deafness Center, Seattle, WA

Address Correspondence to: Paul Loprinzi, PhD, Bellarmine University, Department of Exercise Science, Donna & Allan Lansing School of Nursing & Health Sciences, Louisville, KY 40205, Phone: 502-272-8008, Fax: 502-272-8389, E-mail: ploprinzi{at}bellarmine.edu.

Purpose: As a follow up to previous smaller-scale studies, the purpose of the present study was to examine the link between cardiorespiratory fitness (VO2max; maximum oxygen uptake) using a nationally representative U.S. sample of adults.

Method: Data from the 1999–2004 National Health and Nutrition Examination Survey (NHANES) were used in the analyses. After exclusions, the final sample included 1,082 NHANES participants (20–49 years). VO2max was obtained from an established non-exercise prediction equation and through heart rate extrapolation during a treadmill-based submaximal test. Audiometry data was objectively-measured to obtain estimates of low (LPTA) and high (HPTA) pure tone frequency average.

Results: VO2max was not associated with hearing sensitivity when using the heart rate extrapolation method, but was significantly associated with hearing sensitivity (for women) when applying the non-exercise prediction equation for both LPTA and HPTA (p < 0.01). Women with higher predicted aerobic fitness were 6% more likely to have good hearing compared to worse hearing (RR: 1.06 [95% CI: 1.00, 1.13]; p = 0.05).

Conclusions: Cardiorespiratory fitness was associated with hearing sensitivity using the non-exercise prediction equation. Further studies are needed to confirm these findings that suggest a potentially auditory-protective effect of cardiorespiratory fitness.


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