Multiple chemical sensitivity syndrome

Symptom prevalence and risk factors in a military population

Donald W. Black, Bradley Doebbeling, Margaret D. Voelker, William R. Clarke, Robert F. Woolson, Drue H. Barrett, David A. Schwartz

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

Objective: To assess the prevalence of and risk factors for self- reported symptoms suggestive of multiple chemical sensitivities/idiopathic environmental intolerance (MCS/IEI) in Persian Gulf War (PGW) veterans from Iowa and a comparison group of PGW-era military personnel. Methods: A population-based sample of Iowa military personnel was surveyed using a cross-sectional telephone interview. Study participants were randomly drawn from 1 of 4 domains: PGW active duty, PGW National Guard/Reserve, non-PGW active duty, and non-PGW National Guard/Reserve. A complex sample survey design was used selecting participants from the following substrata: age, sex, race, rank, and military branch. The criteria for MCS/IEI were developed using expert consensus and the medical literature. Results: A total of 3695 study participants (76% of those eligible) completed the telephone survey. The prevalence of symptoms suggestive of MCS/IEI in all participants was 3.4%. Veterans of the PGW reported a significantly higher prevalence of symptoms suggestive of MCS/IEI than did non-PGW military personnel (5.4% vs 2.6%); greater sensitivity to organic chemicals, vehicle exhaust, cosmetics, and smog; and more lifestyle changes. The following risk factors for MCS/IEI were identified with univariate analysis: deployment to the Persian Gulf, age (>25 years), female sex, receiving a physician diagnosis of MCS, previous professional psychiatric treatment, previous psychotropic medication use, current psychiatric illness, and a low level of preparedness. Multiple logistic regression analysis identified several independent risk factors for MCS/IEI, including deployment to the Persian Gulf, age, sex, rank, branch of service, previous professional psychiatric treatment, and current mental illness. Conclusions: Self-reported symptoms suggestive of MCS/IEI are relatively frequent in a military population and are more common among PGW veterans than comparable controls. Reported chemical sensitivities and accompanying behavioral changes were also frequent. After adjusting for age, sex, and training preparedness, previous professional psychiatric treatment and previous psychotropic medication use (before deployment) showed a robust association with symptoms suggestive of MCS.

Original languageEnglish (US)
Pages (from-to)1169-1176
Number of pages8
JournalArchives of Internal Medicine
Volume160
Issue number8
StatePublished - Apr 24 2000
Externally publishedYes

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Multiple Chemical Sensitivity
Gulf War
Indian Ocean
Population
Psychiatry
Military Personnel
Veterans
Smog
Organic Chemicals

ASJC Scopus subject areas

  • Internal Medicine

Cite this

Black, D. W., Doebbeling, B., Voelker, M. D., Clarke, W. R., Woolson, R. F., Barrett, D. H., & Schwartz, D. A. (2000). Multiple chemical sensitivity syndrome: Symptom prevalence and risk factors in a military population. Archives of Internal Medicine, 160(8), 1169-1176.

Multiple chemical sensitivity syndrome : Symptom prevalence and risk factors in a military population. / Black, Donald W.; Doebbeling, Bradley; Voelker, Margaret D.; Clarke, William R.; Woolson, Robert F.; Barrett, Drue H.; Schwartz, David A.

In: Archives of Internal Medicine, Vol. 160, No. 8, 24.04.2000, p. 1169-1176.

Research output: Contribution to journalArticle

Black, DW, Doebbeling, B, Voelker, MD, Clarke, WR, Woolson, RF, Barrett, DH & Schwartz, DA 2000, 'Multiple chemical sensitivity syndrome: Symptom prevalence and risk factors in a military population', Archives of Internal Medicine, vol. 160, no. 8, pp. 1169-1176.
Black DW, Doebbeling B, Voelker MD, Clarke WR, Woolson RF, Barrett DH et al. Multiple chemical sensitivity syndrome: Symptom prevalence and risk factors in a military population. Archives of Internal Medicine. 2000 Apr 24;160(8):1169-1176.
Black, Donald W. ; Doebbeling, Bradley ; Voelker, Margaret D. ; Clarke, William R. ; Woolson, Robert F. ; Barrett, Drue H. ; Schwartz, David A. / Multiple chemical sensitivity syndrome : Symptom prevalence and risk factors in a military population. In: Archives of Internal Medicine. 2000 ; Vol. 160, No. 8. pp. 1169-1176.
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