Table 10.

Augmented mean group (COVID-19 death cases as the dependent variable)

Countries/variables	Constant	Air pressure	Humidity	PM2.5	Temperature	Wind speed	Covid-19 cases
Overall	529.25	−0.4343	−0.1614	0.0657	−4.5765*	−0.4067	0.0364***
Brazil	−15320.32**	16.5607**	1.2267	0.4780	−13.6685***	−41.8146	0.0318***
Chile	84.57	0.0469	0.4234	0.1155	−3.7739*	−18.4571***	0.0078***
India	2784.17	−2.4807	−0.7962	−0.1660	−10.4452*	−3.7573	0.0382***
Iran	931.21*	−0.9071*	0.4154	0.0796	−1.2489**	−0.9300	0.0407***
Italy	1743.83	−1.5856	−1.5063**	0.0215	−3.3447**	−0.3098	0.1123***
Peru	−2035.72	2.6181	−2.0947***	0.0830	−18.3167***	−1.0065	0.0108***
Russia	−728.15**	0.6663**	0.6031**	0.2640	2.4595***	0.5017	0.0105***
Spain	−379.56	0.3680	0.4440	−0.0644	−5.2776**	2.9427	0.0773***
UK	2200.93***	−2.2574***	−0.0176	−0.1435	3.8124	−0.7229	0.0516***
USA	124.51	−0.0409	−3.9137	3.9048	−0.3409	0.0482	0.0103***

Source: authors’ computation

*, **, and *** denote statistical significance at 10%, 5%, and 1% levels, respectively