Table 3.

Spatial regression analysis between rates of respiratory disease and pollutant, and the distance from communities to hospital and health office.

Summer
pollutant					pollutant and distance
Variable	Coeff.	SE	z-value	p-value	Variable	Coeff.	SE	z-value	p-value
const.	0.0446	0.0080	5.6046	0.0000	const.	0.1045	0.0245	4.2664	0.0000
Pol	0.0032	0.0010	3.2337	0.0012	Pol	0.0028	0.0009	3.1426	0.0017
					avedis	-0.0126	0.0049	-2.5463	0.0109
const.	0.0534	0.0113	4.7701	0.0000	const.	0.1284	0.0310	4.1427	0.0000
TSP	0.0038	0.0051	0.7398	0.4594	TSP	0.0046	0.0045	1.0106	0.3122
					avedis	-0.0159	0.0063	-2.5507	0.0108
const.	0.0409	0.0076	5.4068	0.0000	const.	0.0971	0.0232	4.1964	0.0000
SO2	0.0125	0.0032	3.9006	0.0001	SO2	0.0109	0.0029	3.7228	0.0002
					avedis	-0.0117	0.0046	-2.5233	0.0116
const.	0.0404	0.0068	5.9647	0.0000	const.	0.0915	0.0211	4.3448	0.0000
NOx	0.0084	0.0018	4.6049	0.0000	NOx	0.0076	0.0017	4.5734	0.0000
					avedis	-0.0107	0.0042	-2.5279	0.0115
Rainy season
pollutant					pollutant and distance
Variable	Coeff.	SE	z-value	p-value	Variable	Coeff.	SE	z-value	p-value
const.	0.0581	0.0120	4.8358	0.0000	const.	0.1342	0.0341	3.9329	0.0001
Pol	0.0026	0.0011	2.1685	0.0301	Pol	0.0025	0.0011	2.2962	0.0217
					avedis	-0.0160	0.0068	-2.3513	0.0187
const.	0.0635	0.0144	4.4069	0.0000	const.	0.1464	0.0378	3.8778	0.0001
TSP	0.0122	0.0122	1.0007	0.3170	TSP	0.0150	0.0111	1.3519	0.1764
					avedis	-0.0177	0.0076	-2.3329	0.0197
const.	0.0624	0.0138	4.5339	0.0000	const.	0.1435	0.0374	3.8353	0.0001
SO2	0.0036	0.0028	1.2863	0.1984	SO2	0.0037	0.0025	1.4865	0.1371
					avedis	-0.0172	0.0074	-2.2975	0.0216
const.	0.0521	0.0099	5.2656	0.0000	const.	0.1187	0.0292	4.0626	0.0001
NOx	0.0082	0.0023	3.5237	0.0004	NOx	0.0076	0.0021	3.5958	0.0003
					avedis	-0.0139	0.0059	-2.3935	0.0167
Winter
pollutant					pollutant and distance
Variable	Coeff.	SE	z-value	p-value	Variable	Coeff.	SE	z-value	p-value
const.	0.0451	0.0250	1.8020	0.0716	const.	0.1572	0.0633	2.4825	0.0131
Pol	0.0021	0.0014	1.4637	0.1433	Pol	0.0008	0.0015	0.4878	0.6257
					avedis	-0.0197	0.0103	-1.9164	0.0553
const.	0.0516	0.0250	2.0621	0.0392	const.	0.1611	0.0552	2.9172	0.0035
TSP	0.0158	0.0142	1.1112	0.2665	TSP	0.0074	0.0138	0.5380	0.5906
					avedis	-0.0205	0.0093	-2.1921	0.0284
const.	0.0390	0.0255	1.5301	0.1260	const.	0.1476	0.0688	2.1450	0.0320
SO2	0.0058	0.0033	1.7412	0.0817	SO2	0.0023	0.0038	0.6082	0.5430
					avedis	-0.0184	0.0109	-1.6955	0.0900
const.	0.0510	0.0242	2.1090	0.0350	const.	0.1646	0.0599	2.7473	0.0060
NOx	0.0037	0.0030	1.2334	0.2174	NOx	0.0011	0.0030	0.3609	0.7182
					avedis	-0.0205	0.0099	-2.0542	0.0399

const. = constant, coeff = coefficient, SE, = standard error, Pol = total pollutant, TSP = total suspended particle, SO2 = sulfur dioxide, NOx = nitrogen oxide, avedis = average distance from community to hospital and health office