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. 2021 Apr 12;28(32):44132–44139. doi: 10.1007/s11356-021-13582-6

Table 5.

Estimation results for Jeddah coronavirus cases

Poisson model Negative binomial model
Estimate IRR Estimate IRR
Intercept 3.003*** (0.000) 20.47 3.013*** (0.000) 20.348
Xwind_speed_rate -0.005* (0.016) 1.006 -0.003* (0.081) 1.003
XDiff_Temp 0.003 (0.170) 1.003 0.004 (0.867) 1.004
PM10 0.19*** (0.000) 1.209 0.16*** (0.000) 1.174
NO2 0.04** (0.000) 1.041 0.04*** (0.000) 1.041
O3 0.07*** (0.004) 1.073 0.06*** (0.00) 1.062
Xflights_dom -0.598*** (0.000) 0.549 -0.870*** (0.000) 0.418
Xflights_int 1.530*** (0.000) 4.619 1.511*** (0.000) 4.533
Xcurfew_lock 1.400*** (0.000) 4.057 1.645*** (0.000) 5.183
Log. Lik -12365.24 - -1298.31 -
Pseudo-R2 0.51 - 0.79 -
AIC 28217 - 2805.7 -
Residual deviance 1557 - 291.16 *** (0.000) -

Signif. codes: 0 “***” 0.001 “**” 0.01 “*” 0.05 “.” 0.1 “ ” 1