Effect of Ambient PM2.5-Bound BbFA and DahA on Small Airway Dysfunction of Primary Schoolchildren in Northeast China

Table 4

Binary logistic regression between exposure to ambient PAH456 and the occurrence of PVD or SAD in schoolchildren.

	Occurrence of PVD				Occurrence of SAD
	School A		School B		School A		School B
	Exp (OR)	95% CI	Exp (OR)	95% CI	Exp (OR)	95% CI	Exp (OR)	95% CI
FLA	0.988	0.967–1.010	0.947	0.856–1.047	0.937	0.903–1.044	1.026	0.992–1.134
PY	1.015	0.952–1.069	1.048	0.977–1.124	1.045	0.926–1.159	0.925	0.902–1.002
CHR	0.905	0.753–1.088	0.912	0.741–1.093	0.933	0.824–1.047	0.901	0.774–1.023
BaA	1.027	0.958–1.093	1.042	0.980–1.107	1.032	0.923–1.138	0.974	0.902–1.092
BbFA	1.094	0.853–1.305	1.187	0.920–1.532	1.324	1.088–1.612	1.452	1.009–2.090
BkFA	1.063	0.904–1.206	1.122	0.946–1.332	1.196	1.055–1.355	1.285	1.006–1.640
BaP	1.057	0.926–1.138	1.073	0.967–1.190	1.145	1.041–1.258	1.165	1.004–1.351
DahA	1.106	0.601–1.671	1.584	0.801–3.119	2.454	1.308–3.601	2.705	1.025–4.538
BghiP	0.868	0.668–1.127	0.83	0.689–1.070	1.072	0.935–1.216	1.016	0.904–1.127
IcdP	1.012	0.849–1.274	1.164	0.929–1.458	1.116	0.990–1.234	1.191	1.008–1.320
Σ10-PAHs	1.002	0.993–1.007	1.007	0.997–1.1017	0.959	0.904–1.020	1.015	1.000–1.029

Adjusted for sex, weight, smokers in family, pet in the home, and distance of outdoor vehicular traffic. .