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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Environ Res. 2013 Feb 16;122:98–101. doi: 10.1016/j.envres.2013.01.002

Table 1.

Comparison of Environmental Relative Moldiness Index (ERMI) component and overall values for settled dust samples from 246 northern California homes

Random Sample n=44 Asthma Rhinitis Cohort n=139 p-value
ERMI Component Median IQ Median IQ
Group 1 Mold Value 15 6 27 9 <0.0001
Group 2 Mold Value 14 6 21 5 <0.0001
Overall ERMI Value 2 6 6 7 <0.0001

Group Mold Values = Sum of the logs Group 1 and Group 2 molds, respectively

Overall ERMI = Difference of the sum of logs, Group 1-Gourp 2

IQ = Interquartile range difference between the upper and lower observed quartiles

Differences tested using the Wilcoxon rank sum test