Effects of particulate matter (PM) on childhood asthma exacerbation and control in Xiamen, China

BMC Pediatrics

Table 4 Odds ratios of asthma control for exposure days toPM_2.5 and PM₁₀

Variable	OR	Standardized OR	%increase	Standardized 95%CI	P-value
PM_2.5
Exposure(day)	0.994	0.959	− 4.10	[0.879, 1.046]	0.347
Temperature (°C)	1.04	1.256	25.56	[1.155, 1.365]	< 0.001***
Precipitation(mm)	0.988	0.962	−3.84	[0.910, 1.015]	0.159
Wind Speed(m/s)	0.727	0.883	−11.72	[0.837, 0.931]	< 0.001***
Fever	0.726	0.923	−7.67	[0.876, 0.974]	0.003**
PM₁₀
Exposure(day)	0.976	0.848	−15.18	[0.786, 0.915]	< 0.001***
Temperature (°C)	1.026	1.16	16.02	[1.079, 1.248]	< 0.001***
Precipitation(mm)	0.979	0.934	−6.62	[0.884, 0.987]	0.015
Wind Speed(m/s)	0.743	0.891	−10.95	[0.846, 0.938]	< 0.001***
Fever	0.727	0.924	−7.64	[0.876, 0.974]	0.003**

ISSN: 1471-2431