Table 2. Estimated coefficients of the Generalized Additive Model, considering six-day lag between exposure to fine particulate matter and the hospital event. Grande Vitória Region, ES, Southeastern Brazil, 2013 to 2014.

	Estimated coefficients of the GAM
	Estimate	Standard error	z value	p
Intercept	2.149	0.557	3.857	0.000	***
Tuesday	-0.173	0.049	-3.500	0.000	***
Thursday	-0.197	0.049	-4.029	0.000	***
Saturday	-0.1227	0.048	-2.513	0.012	*
Holiday1	0.586	0.095	6.176	0.000	***
Winter	0.801	0.102	7.874	0.000	***
Temperature	0.049	0.013	3.645	0.000	***
PM2.5 lag3	0.013	0.006	2.106	0.035	*

Holiday1: Independence and foundation day of Vitória

Significance 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1