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Volume 21, Number 11—November 2015
Research

Climatic Influences on Cryptococcus gattii Populations, Vancouver Island, Canada, 2002–2004

Christopher K. UejioComments to Author , Sunny Mak, Arie Manangan, George Luber, and Karen H. Bartlett
Author affiliations: Florida State University, Tallahassee, Florida, USA (C.K. Uejio); British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada (S. Mak); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (A. Manangan, G. Luber); The University of British Columbia, Vancouver (K.H. Bartlett)

Main Article

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.

Main Article

Page created: October 16, 2015
Page updated: October 16, 2015
Page reviewed: October 16, 2015
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