# Effects of Noise and Other Exposures on Auditory Functioning in Post-9/11 Veterans: NOISE Study 3.0

> **NIH VA I01** · PORTLAND VA MEDICAL CENTER · 2021 · —

## Abstract

Little is known regarding the epidemiology, etiology, pathophysiology, and comorbidities of hearing loss and
tinnitus in the military population. The Department of Veterans Affairs (VA) is consequently unable to predict
the risk of auditory disorders in Service members exposed to noise. Compounding this problem, many other
military and non-military exposures can cause auditory injury, including solvents, blasts and other sources of
traumatic brain injury (TBI), and certain other injuries and medical conditions. Non-military (e.g., recreational)
or post-military exposures (i.e., Veterans' occupational exposures) may also contribute to long-term risk. It is
critical to attain a fundamental understanding of the epidemiology and pathophysiology of tinnitus and hearing
loss, as well as their interrelatedness. Such an understanding could help identify individuals at risk for auditory
injury, and ultimately lead toward much-needed rehabilitation methods that target the underlying causes.
In 2012, in response to recommendations made by the Institute of Medicine (IOM; now the National Academies
of Medicine) in their congressionally-mandated report titled, “Noise and Military Service: Implications for
Hearing Loss and Tinnitus,” we assembled a team of audiology, epidemiology, and health services researchers
at the VA Rehabilitation Research & Development (RR&D) National Center for Rehabilitative Auditory
Research (NCRAR) to design a longitudinal study focused on auditory health in recent Veterans. The Noise
Outcomes In Service members Epidemiology Study (“NOISE Study”) was funded in 2013 [Congressionally
Directed Medical Research Programs (CDMRP) grant #W81XWH-12- PRMRP-IIRA]. The study enrolls
Veterans within 2.5 years of military separation, allowing us to measure their military exposures within a
reasonable recall period. In 2014, the Department of Defense (DoD) Hearing Center of Excellence (HCE; San
Antonio, TX) was added as a second site to increase enrollment and to expand our target population to include
active-duty military Service members. Enrollment at the HCE began in June 2015. The present proposal
requests funding to continue study activities for the next 4-year period for the NCRAR site. (Should the HCE
not receive continuation funding from the DoD, their participants will be followed by the NCRAR team.)
Since the NOISE Study's inception, baseline data have been collected on 644 Veterans at the NCRAR and
373 Service members at the HCE (1,017 participants enrolled across the two sites). The baseline examination
includes a full audiologic test battery with an extensive survey component. Participants complete annual follow-
up surveys (online) to capture ongoing exposures and any changes in health and functioning. The in-person
audiologic examination is repeated every 5 years, allowing us to identify changes in auditory function over time
and contrast those changes with Veterans' past military exposures and/or ongoing non-military exposures. For...

## Key facts

- **NIH application ID:** 10188321
- **Project number:** 1I01RX003701-01
- **Recipient organization:** PORTLAND VA MEDICAL CENTER
- **Principal Investigator:** JAMES A HENRY
- **Activity code:** I01 (R01, R21, SBIR, etc.)
- **Funding institute:** VA
- **Fiscal year:** 2021
- **Award amount:** —
- **Award type:** 1
- **Project period:** 2021-04-01 → 2025-03-31

## Primary source

NIH RePORTER: https://reporter.nih.gov/project-details/10188321

## Citation

> US National Institutes of Health, RePORTER application 10188321, Effects of Noise and Other Exposures on Auditory Functioning in Post-9/11 Veterans: NOISE Study 3.0 (1I01RX003701-01). Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/grant/nih/10188321. Licensed CC0.

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