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. 2018 Feb 8;15(2):293. doi: 10.3390/ijerph15020293

Figure 1.

Figure 1

Proportion of self-reported symptoms in different organ systems among cases * with environmental intolerance (EI) attributed to chemicals **, indoor molds, electromagnetic fields (EMFs), and their combinations. Symptoms were assigned to seven organ systems. An individual may have symptoms from one or more organ system. Mean numbers (SD) of organ systems (1–7) were 2.5 (1.5) for (I), 1.8 (1.1) for (II), 2.8 (1.7) for (III), 2.6 (1.6) for (IV), and 3.0 (1.5) for (V). * Those intolerant (n = 226) who reported symptoms in one or more organ system (EI definition B); ** Two or more of the six chemicals in Table 1.