Prevalence and correlation of multiple chemical sensitivity and electromagnetic hypersensitivity with age, sex, and depression in the Japanese population: a retrospective study

Table 3 Correlations between the subscales of the QEESI, EHS, and depression scores with age and sex

	1	2	3	4	5	6	7	8	9	10	11	12
1. Age	1	---	---	---	---	---	---	---	---	---	---	---
2. Sex	0.05	1	---	---	---	---	---	---	---	---	---	---
3. QEESI Q1 Chemical Intolerance	0.12 ^**	0.15 ^**	1	---	---	---	---	---	---	---	---	---
4. QEESI Q2 Other Intolerance	0.05	0.15 ^**	0.59 ^**	1	---	---	---	---	---	---	---	---
5. QEESI Q3 Symptom Severity	0.08 ^**	0.10 ^**	0.47 ^**	0.55 ^**	1	---	---	---	---	---	---	---
6. QEESI Q4 Masking Index	0.07 ^*	0.14 ^**	0.02	0.05	0.15 ^**	1	---	---	---	---	---	---
7. QEESI Q5 Life Impact	-0.06 ^*	0.05	0.32 ^**	0.41 ^**	0.47 ^**	-0.01	1	---	---	---	---	---
8. Total EHS Symptom	0.05	0.10^**	0.35 ^**	0.48 ^**	0.74 ^**	0.16 ^**	0.44 ^**	1	---	---	---	---
9. Total EMF-producing objects	-0.02	0.05	0.28 ^**	0.34 ^**	0.31 ^**	0.06 ^*	0.23 ^**	0.38 ^**	1	---	---	---
10. q67 Sensitive to EMFs	0.11 ^**	0.08 ^**	0.30 ^**	0.33 ^**	0.30 ^**	-0.03	0.19 ^**	0.33 ^**	0.47 ^**	1	---	---
11. q68 Detailed Description	0.06 ^*	0.09 ^**	0.25 ^**	0.29 ^**	0.23 ^**	-0.04	0.15 ^**	0.24 ^**	0.27 ^**	0.54 ^**	1	---
12. Depression	-0.12 ^**	0.01	0.12 ^**	0.20 ^**	0.40 ^**	0.03	0.29 ^**	0.45 ^**	0.16 ^**	0.12 ^**	0.09 ^**	1

EHS, electromagnetic hypersensitivity; EMF, electromagnetic field; QEESI, Quick Environmental Exposure and Sensitivity Inventory
**, p < 0.05, *, p < 0.05

ISSN: 1471-2458