Table 4. The association between ambient B. pseudomallei and environmental parameters of lag 0, lag 1, lag 2, 2-days sum, 3-days sum, and 4-days sum during whole period (June to December), typhoon season (June to September), and typhoon month (August).
Ambient B. pseudomallei (copies/m3) | |||||||
Whole period (June–December) (N = 191) | Typhoon season (June to September) (N = 109) | Typhoon month (August) (N = 31) | |||||
r | p-value | r | p-value | r | p-value | ||
Rainfall | lag 0 | 0.184 | 0.011* | −0.041 | 0.671 | −0.050 | 0.788 |
lag 1 | 0.140 | 0.053 | −0.074 | 0.446 | −0.140 | 0.453 | |
lag 2 | 0.176 | 0.015* | −0.044 | 0.653 | −0.052 | 0.779 | |
lag 3 | 0.220 | 0.002* | 0.012 | 0.899 | 0.255 | 0.166 | |
2-days sum | 0.181 | 0.012* | −0.065 | 0.500 | −0.115 | 0.537 | |
3-days sum | 0.218 | 0.002* | −0.038 | 0.694 | −0.135 | 0.468 | |
4-days sum | 0.235 | 0.001* | −0.028 | 0.773 | −0.039 | 0.834 | |
Wind Speed | lag 0 | −0.019 | 0.794 | −0.155 | 0.108 | −0.320 | 0.079 |
lag 1 | 0.004 | 0.952 | −0.133 | 0.168 | −0.032 | 0.863 | |
lag 2 | 0.102 | 0.161 | 0.014 | 0.888 | −0.066 | 0.722 | |
lag 3 | 0.137 | 0.059 | 0.103 | 0.285 | 0.266 | 0.148 | |
2-days sum | −0.014 | 0.848 | −0.176 | 0.067 | −0.307 | 0.093 | |
3-days sum | 0.034 | 0.642 | −0.139 | 0.150 | −0.319 | 0.080 | |
4-days sum | 0.086 | 0.237 | −0.074 | 0.442 | −0.197 | 0.287 | |
UV | lag 0 | 0.246 | 0.001* | 0.021 | 0.832 | 0.045 | 0.809 |
lag 1 | 0.215 | 0.003* | −0.027 | 0.777 | 0.126 | 0.500 | |
lag 2 | 0.202 | 0.005* | −0.035 | 0.721 | 0.159 | 0.392 | |
lag 3 | 0.298 | <0.001* | 0.139 | 0.150 | 0.020 | 0.913 | |
2-days sum | 0.263 | <0.001* | −0.008 | 0.936 | 0.090 | 0.632 | |
3-days sum | 0.282 | <0.001* | −0.017 | 0.864 | 0.189 | 0.310 | |
4-days sum | 0.320 | <0.001* | 0.050 | 0.608 | 0.150 | 0.420 |
* p -value<0.05; lag 0, lag 1, lag 2, and lag 3: the effects of 0-, 1-, 2-, 3-day lags before the date ambient B. pseudomallei measurement.