Long-term exposure to ambient air pollution and measures of central hemodynamics and arterial stiffness among multiethnic Chicago residents

Table 4 Estimated change in Hemodynamic variables with 95% CI per unit change of long-term exposure (preceding 3 year averages) to the air pollutants (PM2.5 and NO2)

	PM_2.5				NO₂
	Estimate	95%CI		p-value	Estimate	95%CI		p-value
Central BP parameters
cSBP	1.875	0.985	4.156	0.018	0.676	-0.045	1.397	0.066
cDBP	1.181	-0.650	3.013	0.206	0.094	-0.255	0.443	0.596
cPP	1.014	0.419	2.865	< 0.001	0.729	0.258	1.201	0.002
cMAP	1.479	0.433	3.862	0.006	0.338	-0.063	0.738	0.099
Cardiac parameters
Left ventricular ejection time	0.002	-0.006	0.010	0.647	0.001	-0.001	0.003	0.215
Left ventricular contractility	0.092	-0.274	0.458	0.622	0.032	-0.042	0.105	0.399
Cardiac output	0.076	-0.095	0.247	0.383	0.001	-0.034	0.037	0.941
Cardiac Index	0.046	-0.041	0.134	0.301	0.007	-0.011	0.024	0.444
Stroke Volume	-0.061	-1.590	1.467	0.937	0.003	-0.305	0.311	0.983
Stroke Volume Index	0.443	-0.158	1.043	0.148	0.100	-0.014	0.214	0.085
Brachial artery parameters
BAD	-0.557	-0.809	-0.304	< 0.001	-0.089	-0.145	-0.034	0.002
BAR	23.697	9.687	37.707	0.001	3.590	0.616	6.564	0.018
BAC	-0.009	-0.013	-0.005	< 0.001	-0.001	-0.002	-0.001	0.001
Systemic vascular parameters
SVC	-0.094	-0.140	-0.048	< 0.001	-0.012	-0.022	-0.001	0.026
SVR	35.070	-20.624	90.764	0.217	4.019	-7.560	15.597	0.496

*Final models with participants having stable residence history and adjusted for age, BMI, waist, race, sex, smoking status, alcohol consumption, education, income, marital status, season, Type 2 diabetes, and hypertension.

ISSN: 1476-069X