Table 2.

Zero-truncated Poisson model of incidence rate ratio of an emergency medical admission by age dependency and deprivation quintiles.

Parameter	Group	IRR	95% CI	p value
Age dependency	QI vs QII	1.31	1.23–1.40	<0.001
	QI vs QIII	2.06	1.93–2.20	<0.001
	QI vs QIV	1.78	1.68–1.88	<0.001
	QI vs QV	1.96	1.87–2.06	<0.001
Deprivation quintile	QI vs QII	2.04	1.94–2.15	<0.001
	QI vs QIII	3.42	3.23–3.61	<0.001
	QI vs QIV	3.47	3.32–3.64	<0.001
	QI vs QV	4.60	4.33–4.88	<0.001

CI = confidence interval; IRR = incident risk ratio.