Association of airborne particles, protein, and endotoxin with emergency department visits for asthma in Kyoto, Japan

Table 4 Results of Poisson regressions of air pollutants and meteorological factors on emergency department visits

Variables	Coef	SE	p value
Fine particles	− 0.009	0.011	0.414
Intercept	− 16.799	16.449	0.307
Temperature	0.046	0.010	< 0.001
Relative humidity	− 0.009	0.009	0.322
Wind speed	− 0.213	0.174	0.222
Air pressure	0.019	0.016	0.235
Protein (fine particles)	0.032	0.062	0.609
Intercept	− 16.566	16.538	0.317
Temperature	0.046	0.010	< 0.001
Relative humidity	− 0.002	0.009	0.823
Wind speed	− 0.170	0.172	0.324
Air pressure	0.018	0.016	0.264
Endotoxin (fine particles)	59.792	20.907	0.004
Intercept	− 18.420	16.674	0.269
Temperature	0.043	0.010	< 0.001
Relative humidity	0.009	0.009	0.333
Wind speed	− 0.100	0.170	0.556
Air pressure	0.019	0.016	0.242
Coarse particles	0.044	0.013	0.001
Intercept	− 17.309	16.523	0.295
Temperature	0.042	0.010	< 0.001
Relative humidity	− 0.001	0.008	0.944
Wind speed	− 0.172	0.171	0.314
Air pressure	0.018	0.016	0.251
Protein (coarse particles)	− 1.011	0.702	0.150
Intercept	− 12.459	16.738	0.457
Temperature	0.049	0.010	< 0.001
Relative humidity	− 0.004	0.007	0.588
Wind speed	− 0.186	0.168	0.270
Air pressure	0.014	0.016	0.383
Endotoxin (coarse particles)	29.637	9.044	0.001
Intercept	− 13.346	16.850	0.428
Temperature	0.030	0.011	0.007
Relative humidity	− 0.007	0.008	0.343
Wind speed	− 0.210	0.174	0.226
Air pressure	0.015	0.016	0.349

ISSN: 1347-4715