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Hearing Journal:
doi: 10.1097/01.HJ.0000452245.45569.b1
Editorial

Untangling the Link Between Hearing Loss and Depression

Li, Chuan-Ming MD, PhD; Hoffman, Howard J. MA

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Dr. Li, left, is statistician (health/ medicine) and Mr. Hoffman is director of the Epidemiology and Statistics Program, Division of Scientific Programs, National Institute on Deafness and Other Communication Disorders (NIDCD), National Institutes of Health (NIH).

Hearing loss is the third-leading cause of years lost due to disability worldwide. (The Global Burden of Disease: 2004 Update. World Health Organization [WHO]; 2008 http://www.who.int/healthinfo/global_burden_disease/GBD_report_2004update_full.pdf?ua=1.) An estimated 299 million men and 239 million women globally have “moderate or worse” hearing loss, Gretchen Stevens and colleagues reported on behalf of the 2010 Global Burden of Disease Hearing Loss Expert Group ( Eur J Public Health 2013;23[1]:146-152 http://eurpub.oxfordjournals.org/content/23/1/146.full).

Figure. Chuan-Ming L...
Figure. Chuan-Ming L...
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Even more common, however, is depression. In the WHO report, unipolar depression occupied first place for years lost due to disability worldwide.

Figure. Howard J. Ho...
Figure. Howard J. Ho...
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We and our colleagues recently reported on the relationship between depression and hearing loss using the National Health and Nutrition Examination Survey (NHANES), 2005-2010 ( JAMA Otolaryngol Head Neck Surg 2014;140[4]:293-302 http://archotol.jamanetwork.com/article.aspx?articleid=1835392&resultClick=3).

The prevalence of moderate-to-severe depression was significantly higher among adults age 18-69 who had self-reported hearing loss (11.4%) compared with those who reported good-to-excellent hearing (5.9%). The prevalence of depression rose as the degree of reported hearing loss increased from “a little trouble,” to “moderate trouble,” to “a lot of trouble” hearing, but not for adults self-identified as deaf.

No relationship between depression and self-reported hearing loss was found among adults age 70 and older. In women 70 and older, there was a significant association between depres-sion and an exam-based measure of moderate hearing loss, but not in men of that age group.

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PARADOXICAL RESULTS

These results may reflect the tendency of people of different ages to assess their hearing loss in distinct ways.

For example, older adults may be less likely than younger adults to self-report hearing loss in relation to activity limitations. While men begin experiencing hearing loss in midlife, perhaps due to noise exposure, onset in women occurs 15 to 20 years later, typically around age 70.

Hearing loss is much more common than vision loss among older adults, as Vincent A. Campbell et al demonstrated ( MMWR CDC Surveill Summ 1999; 48[8]:131-156 http://www.cdc.gov/mmwr/preview/mmwrhtml/ss4808a6.htm). Also, coping with hearing loss is different from dealing with other disabilities, since hearing loss is an invisible condition, frequently unrecognized by healthcare professionals.

What can people with hearing loss do to avoid depression? We suggest they seek hearing healthcare and consider joining national organizations for people with hearing loss. When recommended, rehabilitation via hearing aids, alternative listening devices, etc., may assuage the difficult personal and social adjustments of hearing loss.

The quality of life of people with hearing loss can be made better if doctors recognize the signs and symptoms of depression and refer patients for mental health services. While treatment can help the majority of people with depressive illness, many do not seek it.

Although the mechanism connecting hearing loss with depression is unclear, the association suggests that treating people who have hearing loss at early stages may reduce their risk of developing depression.

© 2014 by Lippincott Williams & Wilkins, Inc.

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