Table 4.

Generalized Poisson regression analysis

Meteorological indicators	Coefficient	Std. Err.	z	Probability
Pakistan
Constant	1.376*	0.152	9.043	0.000
Days	0.002*	0.001	3.198	0.001
Average temperature (°C)	0.024*	0.006	3.546	0.000
Rainfall per day (mm)	0.003	0.006	0.455	0.649
Humidity per day (%)	− 0.008*	0.002	− 4.470	0.000
Punjab Province
Constant	1.609*	0.775	2.077	0.038**
Days	0.001*	0.002	0.609	0.542
Average temperature (°C)	0.015	0.027	0.541	0.589
Rainfall per day (mm)	0.019**	0.009	1.980	0.048
Humidity per day (%)	− 0.015*	0.005	− 2.830	0.005
Sindh Province
Constant	− 1.402*	0.462	− 3.035	0.000
Days	− 0.001	0.001	− 0.790	0.430
Average temperature (°C)	0.086*	0.015	5.579	0.000
Rainfall per day (mm)	0.007	0.008	0.821	0.412
Humidity per day (%)	0.006	0.005	1.163	0.245
Baluchistan Province
Constant	− 2.547*	0.785	− 3.244	0.001
Days	− 0.009*	0.002	− 3.912	0.000
Average temperature (°C)	0.156*	0.029	5.366	0.000
Rainfall per day (mm)	0.036	0.023	1.581	0.114
Humidity per day (%)	0.002	0.005	0.411	0.681
Khyber Pakhtunkhwa Province
Constant	− 0.268	0.649	− 0.413	0.680
Days	− 0.006**	0.003	− 2.050	0.040
Average temperature (°C)	0.095*	0.029	3.257	0.001
Rainfall per day (mm)	0.020**	0.009	2.219	0.027
Humidity per day (%)	− 0.001	0.005	− 0.262	0.793
Gilgit-Baltistan
Constant	0.782	0.515	1.517	0.129
Days	0.007**	0.003	2.333	0.020
Average temperature (°C)	− 0.013	0.029	− 0.441	0.659
Rainfall per day (mm)	0.026	0.053	0.485	0.628
Humidity per day (%)	− 0.006	0.005	− 1.352	0.176
Islamabad Capital Territory
Constant	0.739	0.785	0.942	0.346
Days	0.003	0.003	1.038	0.299
Average temperature (°C)	0.033	0.031	1.065	0.287
Rainfall per day (mm)	0.004	0.005	0.799	0.424
Humidity per day (%)	− 0.018*	0.005	− 3.526	0.000
Azad Jammu and Kashmir
Constant	0.960	1.054	0.911	0.363
Days	0.014*	0.004	3.110	0.002
Average temperature (°C)	− 0.011	0.046	− 0.241	0.809
Rainfall per day (mm)	0.005	0.010	0.434	0.664
Humidity per day (%)	− 0.027*	0.006	− 4.319	0.000

*Significant at 1%, significant at 5%