Table 2. Cronbach’s alpha for four subscales in QEESI.

	MCS patients	Controls
Q1 Chemical Intolerances	0.953	0.968
Q2 Other Intolerances	0.831	0.683
Q3 Symptom Severity	0.900	0.861
Q5 Life Impacts	0.912	0.845

QEESI, Quick Environmental Exposure and Sensitivity Inventory; MCS, multiple chemical sensitivity