Table 3. Odds ratios, confidence intervals, and P values calculated for independent variables included in a logistic regression model using air samples collected in the United States (n = 1894) to explain whether a sample grew A. fumigatus.

Significant results (P ≤ 0.05) are highlighted in bold.

Independent variable	Odds ratio (95% CI)	Pr(>|z|)
Sampling round
Summer (baseline)
Autumn	0.75 (0.57–0.99)	0.05
Winter	0.94 (0.57–1.57)	0.82
Spring	0.53 (0.37–0.75)	<0.01
Maximum daily temperature at sampling location on sampling date	1.04 (0.99–1.09)	0.13
Proximity of sampling location to the nearest OW/OA composting facility	0.99 (0.99–0.99)	<0.01