Table 2

Final logistic regression model for identification of environmental factors associated with a positive diagnosis of Aspergillus species in air samples during the first 12-month period: May 1, 2012 to April 23, 2013

VariableCategoryAdjusted OR95% CIP value
InfrastructureIndoor with HEPA and other infection control measures
Indoor without HEPA and other infection control measures
Outdoor

4.33
2.50

1.75 to 10.72
1.00 to 6.25

<0.01
0.05
Warm monthsNo
Yes

0.93

0.54 to 1.60

0.79
  • Hosmer-Lemeshow statistic=1.28; df=4; P=0.86.

  • HEPA, high-efficiency particulate air filtration system.