Table 6.

Linear regression models of dependent variables “annual mean of NO₂” and “annual mean of PM₁₀” in Southern Italian regions.

Pollutants	Model for year	Covariates
		% subjects with low level of education		% unemployment		% nonhome ownership		% single-parent family		Overcrowding 100 m2		Resident population		Foreign citizen		R 2 adj.
		β	p	β	p	β	p	β	p	β	p	β	p	β	p
The annual mean of NO2	2002	0.144	0.637	0.068	0.983	0.642	0.004	−0.259	0.204	−0.580	0.104	0.851	0.597	−0.381	0.189	0.760
	2003	0.093	0.563	−0.626	0.002	0.691	<0.001	−0.169	0.153	−0.086	0.806	0.085	0.916	0.718	0.002	0.723
	2004	0.093	0.562	−0.127	0.484	−0.241	0.551	0.204	0.025	0.116	0.660	0.880	<0.001	−5.897	0.116	0.765
	2005	−0.032	0.777	0.206	0.025	0.397	<0.001	0.138	0.080	−0.098	0.469	−0.289	0.440	0.192	0.085	0.472
	2006	−0.059	0.443	0.085	0.463	0.579	<0.001	−0.056	0.611	−0.067	0.615	−1.252	0.008	1.253	0.005	0.319
	2007	−0.182	0.076	−0.060	0.516	0.454	0.002	−0.255	0.014	−0.190	0.080	−0.397	0.361	0.364	0.001	0.361
	2008	0.020	0.803	0.062	0.405	0.283	0.004	0.016	0.855	0.013	0.907	−0.369	0.333	0.439	<0.001	0.458
	2009	−0.071	0.400	0.041	0.564	0.233	0.023	−0.011	0.906	0.058	0.540	−0.621	0.097	1.071	0.003	0.421
	2010	−0.150	0.045	−0.016	0.860	0.073	0.535	−0.156	0.134	0.045	0.720	−0.175	0.668	0.388	<0.001	0.187
	2011	−0.110	0.190	−0.019	0.821	0.015	0.911	−0.034	0.739	0.116	0.123	0.047	0.796	0.468	<0.001	0.214
	2012	−0.203	0.018	0.001	0.996	0.160	0.088	−0.168	0.038	0.020	0.834	−0.195	0.524	0.447	<0.001	0.346
The annual mean of PM10	2002	−0.380	0.715	0.001	0.999	0.001	0.999	−0.171	0.687	0.001	0.999	0.001	0.999	0.281	0.403	0.001
	2003	−0.228	0.258	0.671	0.001	−0.731	0.139	0.089	0.748	0.276	0.574	−0.238	0.869	0.944	0.153	0.421
	2004	0.245	0.531	1.216	0.023	−1.883	0.001	0.072	0.863	−0.220	0.376	21.085	0.002	−19.913	0.003	0.463
	2005	0.153	0.408	−0.039	0.864	−0.650	0.021	0.511	0.001	0.092	0.740	0.873	0.001	−5.069	0.155	0.315
	2006	−0.024	0.891	0.016	0.900	0.135	0.432	−0.121	0.336	−0.251	0.027	0.362	0.002	0.010	0.986	0.078
	2007	−0.078	0.571	0.288	0.002	0.432	<0.001	−0.072	0.495	−0.277	0.008	0.041	0.940	0.078	0.584	0.223
	2008	−0.015	0.895	0.035	0.719	0.664	<0.001	−0.030	0.700	−0.080	0.494	0.177	0.163	−0.001	0.999	0.436
	2009	−0.104	0.321	0.133	0.120	0.253	0.040	−0.023	0.827	−0.242	0.008	−0.269	0.542	0.429	<0.001	0.286
	2010	−0.002	0.983	0.370	<0.001	0.006	0.967	0.035	0.697	−0.176	0.024	0.001	0.999	0.479	<0.001	0.419
	2011	−0.063	0.633	0.194	0.018	0.105	0.422	−0.089	0.325	−0.289	<0.001	0.366	<0.001	0.142	0.586	0.197
	2012	−0.061	0.579	0.167	0.043	0.212	0.094	−0.238	0.011	−0.411	<0.001	0.062	0.855	0.217	0.033	0.165

Values whose p < 0.05 are given in bold.