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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Indoor Air. 2013 Mar 19;23(5):387–396. doi: 10.1111/ina.12035

Table 6.

Multivariate association between levels of microbial contaminants and home characteristics. Significant associations (p<0.05) are shown in bold.

Exposure
(dependent variable)		 Target bacteria Home characteristic
(independent variable)		 Effect size* (95% CI)
Dust concentration
[cell eq./mg]		 S. maltophilia Surface moisture 1.23 (0.21, 2.24)
Streptomyces Presence of dog(s) 0.94 (0.29, 1.59)
Mycobacterium Presence of dog(s) 0.90 (0.24, 1.55)
Dust loading
[cell eq./m2]		 S. maltophilia Age of home 0.51 (−0.01, 1.04)
Streptomyces Presence of dog(s) 0.94 (−0.06, 1.95)
Mycobacterium Presence of dog(s) 0.84 (−0.10, 1.69)
Air concentration
[cell eq./m3]		 S. maltophilia Surface moisture 0.38 (−0.04, 0.81)
Streptomyces Age of home 0.29(−0.08, 0.67)
Mycobacterium Temperature −0.69(−1.53, 0.14)
*

Effect size is equal to the change in the dependent variable corresponding to a unit increase (in logescale) in the independent variable. Note: initial multivariate model included covariateswhich were significant at the 20% level in the univariate regression models.