Table 4.

Multivariate Regression Modeling of Emergency Department Visits (n=229) and Prehospital Delay Time (n=331) by Symptom Cluster Group, with adjustment for age and history of angina

	β	SE	p	CI
				Lower	Upper
Emergency Department Visit (Poisson Model)
Age	−0.01	0.01	0.123	−0.02	0.00
No History of angina	−0.30	0.11	0.006	−0.51	−0.08
Primary ED diagnosis-Unstable Angina	0.07	0.12	0.586	−0.18	0.31
Primary ED diagnosis-AMI	0.30	0.13	0.028	0.03	0.56
Classic ACS Cluster	−0.19	0.17	0.249	−0.52	0.13
Pain Symptoms Cluster	0.05	0.19	0.783	−0.32	0.43
Stress Symptoms Cluster	−0.15	0.18	0.420	−0.50	0.21
Prehospital Delay Time (GLM)
Age	0.01	0.01	0.755	−0.01	0.01
No History of angina	0.02	0.07	0.821	−0.12	0.15
Primary ED diagnosis-Unstable Angina	−0.04	0.07	0.604	−0.17	0.10
Primary ED diagnosis-AMI	0.06	0.11	0.610	−0.16	0.27
Classic ACS Cluster	−0.02	0.08	0.791	−0.19	0.14
Pain Symptoms Cluster	−0.03	0.09	0.758	−0.21	0.15
Stress Symptoms Cluster	−0.09	0.10	0.344	−0.28	0.10

Note: Baseline for History of angina is “Yes”; baseline for primary ED diagnosis is “Not Unstable Angina” or “Not AMI”; baseline for Symptom Cluster is “Diffuse Symptoms”.