Table 3.
Chemical intolerance prevalence by demographic group and mean scale scores (N = 10,724).
| Not Suggestive of CI |
Suggestive of CI | Very Suggestive of CI | ||
|---|---|---|---|---|
| Total Sample | 30.09% | 49.52% | 20.39% | |
| Gender | Male | 36.76% | 45.04% | 18.21% |
| Female | 23.94% | 53.46% | 22.6% *** | |
| Age | 18–29 | 26.72% | 49.28% | 24.00% |
| 30–44 | 26.9% | 49.83% | 23.28% | |
| 45–60 | 27.39% | 50.30% | 22.3% | |
| >60 | 40.22% | 48.49% | 11.29% *** | |
| Household Income/Year |
||||
| <25,000 | 27.35% | 47.85% | 24.8% | |
| $25,000–<$50,000 | 25.82% | 51.34% | 22.84% | |
| $50,000–<$75,000 | 27.94% | 50.08% | 21.98% | |
| $75,000–<$100,000 | 29.68% | 49.63% | 20.69% | |
| >$100,000 | 34.39% | 48.83% | 16.79% *** | |
| Prefer not to answer |
36.25% | 49.41% | 14.34% | |
| QEESI Scale Scores | Total | Not Suggestive of CI | Suggestive of CI | Very Suggestive of CI |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
| Chemical Exposures Score | 28.50 (22.49) | 6.10 (5.90) |
29.91 (16.12) | 58.14 (13.17) *** |
| Symptom Score | 28.58 (22.10) | 6.97 (5.94) |
29.34 (15.13) | 58.64 (13.56) *** |
Mantel-Hansel Chi-Square *** p < 0.001, comparing Very Suggestive within demographic categories.