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

Table 4.

Estimation results for Makkah coronavirus cases

Poisson model Negative binomial model
Estimate IRR Estimate IRR
Intercept 3.939*** (0.000) 51.367 3.518*** (0.000) 33.717
Xwind_speed_rate -0.031*** (0.000) 0.968 -0.042** (0.012) 0.957
XDiff_Temp 0.031*** (0.000) 0.969 0.04* (0.078) 1.004
PM10 0.12*** (0.000) 1.127 0.09** (0.04) 1.094
NO2 0.03 (0.12) 1.031 0.01 (0.14) 1.010
O3 0.07 (0.15) 1.073 0.05 (0.11) 1.051
Xflights_dom -0.479*** (0.000) 0.619 -0.525 (0.022) 0.591
Xflights_int 1.102*** (0.000) 3.010 1.121*** (0.000) 3.068
Xcurfew_lock 1.188*** (0.000) 3.282 1.295*** (0.000) 3.652
Log. Lik -12641.67 - -1326.78 -
Pseudo-R2 0.51 - 0.82 -
AIC 28217 - 3054.2 -
Residual deviance 1439 - 294.65*** (0.000) -

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