Volume 21, Number 11—November 2015
Research
Climatic Influences on Cryptococcus gattii Populations, Vancouver Island, Canada, 2002–2004
Table 3
Generalized linear and mixed effect model result of the association between weather and Cryptococcus gattii in resampled plots in Vancouver Island, British Columbia Canada, 2002–2004
Other tree vs. fir/cedar |
−2.82 |
1.50 |
−5.82 to 0.18 |
0.060 |
---|---|---|---|---|
Air, CFU† | ||||
Intercept | 484.28 | 94.69 | 294.8 to 673.6 | <0.001 |
Mar–May vs. Nov−Feb | 0.78 | 1.27 | −1.74 to 3.31 | 0.537 |
Jun–Jul vs. Nov−Feb | 0.89 | 1.56 | −2.23 to 4.01 | 0.570 |
Aug–Oct vs. Nov−Feb | 2.46 | 1.05 | 0.36 to 4.56 | 0.019 |
Longitude, °W | 3.91 | 0.76 | 2.39 to 5.44 | <0.001 |
Daily shortwave solar radiation, watts/m2, centered | 2.32 | 0.60 | 1.11 to 3.52 | <0.001 |
Average daily wind speed 1.5–3 m/s | 1.53 | 0.64 | 0.24 to 2.82 | 0.017 |
Average daily wind speed >3 m/s | −3.97 | 1.37 | −6.71 to −1.21 | 0.004 |
Garry oak vs. fir/cedar | 0.35 | 0.84 | −1.33 to 2.03 | 0.680 |
Maple vs. fir/cedar | −0.27 | 0.87 | −1.99 to 1.47 | 0.760 |
Other vs. fir/cedar |
0.99 |
0.73 |
−0.46 to 2.44 |
0.174 |
Swab sample, proportion positive‡ | ||||
Intercept | 145.29 | 49.42 | 46.44 to 244.10 | 0.003 |
Mar−May vs. Nov−Feb | 2.32 | 0.80 | 0.71 to 3.93 | 0.004 |
Jun−Jul vs. Nov−Feb | 2.22 | 0.88 | 0.46 to 3.98 | 0.012 |
Aug−Oct vs. Nov−Feb | 2.62 | 0.88 | 0.87 to 4.37 | 0.003 |
Latitude, °N | −2.99 | 1.01 | −5.02 to −0.96 | 0.003 |
Proportion of C. gattii–positive samples previous month | 2.38 | 0.58 | 1.22 to 3.53 | <0.001 |
Fir/cedar vs. alder | 0.18 | 0.86 | −1.53 to 1.91 | 0.831 |
Garry oak vs. alder | −0.23 | 0.97 | −2.17 to 1.72 | 0.817 |
Other tree vs. alder | −0.80 | 1.03 | −2.85 to 1.26 | 0.437 |
*95 samples, 45 plots, 3 study areas,,Akaike Information Criterion = 648.4.
†175 samples, 24 plots, 3 study areas, Akaike Information Criterion = 615.4.
‡115 samples, 44 plots, 4 study areas, Akaike Information Criterion = 117.9.