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J Occup Environ Med. 2009 Jul;51(7):838-47. doi: 10.1097/JOM.0b013e3181a7f021.

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

Author information

1
Department of Psychology, Umeå University, Umeå, Sweden.

Abstract

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
DOI:
10.1097/JOM.0b013e3181a7f021
[Indexed for MEDLINE]

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