Sensory Hyperreactivity and Chemical Sensitivity, Tilia
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Latest update: 2011-02-27

The idiopathic environmental intolerance symptom inventory: development, evaluation, and application

Authors: Andersson MJ, Andersson L, Bende M, Millqvist E, Nordin S

Journal: J Occup Environ Med. 2009 Jul;51(7):838-47

OBJECTIVE: To develop, evaluate, and apply a questionnaire-based instrument for investigation of specific symptoms in idiopathic environmental intolerance (IEI), called the Idiopathic Environmental Intolerance Symptom Inventory (IEISI).
METHODS: Participants with IEI to chemicals responded to 82 candidate symptoms and to three subscales of the Quick Environmental Exposure and Sensitivity Inventory (QEESI) at a test (n = 207) and retest (n = 193) occasion.
RESULTS: The 27 most commonly reported symptoms were selected and grouped into five symptom categories. Internal consistency, test-retest reliability, and concurrent validity were found to be satisfying. Cluster analysis identified two subgroups of IEI to chemicals.
CONCLUSIONS: The results provide support for the IEISI being a reliable, valid, and fast tool for the study of specific symptom prevalence in IEI and encourage further study of subgroups.

PMID: 19542897 [PubMed - indexed for MEDLINE]

The full text is available at:
www.ncbi.nlm.nih.gov/pubmed/19542897

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