BMC Public Health

Table 4 Hazard ratio (HR) and 95% confidence intervals (CI) for cardiovascular events by social status indicators classes.

From: Social status and cardiovascular disease: a Mediterranean case. Results from the Italian Progetto CUORE cohort study

		ALL			NORTH			CENTRE-SOUTH
		n	p/y	HR^a (CI 95%)	n	p/y	HR^a (CI 95%)	n	p/y	HR^a (CI 95%)
MEN	Educational level
	High	132	25739	Ref.	115	21907	Ref.	17	3832	Ref.
	Medium	184	25303	1.06 (0.83;1.35)	141	18793	0.99 (0.76;1.29)	43	6510	1.23 (0.68;2.19)
	Low	381	39743	1.08 (0.84;1.39)	147	12371	1.41 (1.08;1.82)	234	26372	0.80 (0.47;1.34)
	Marital Status
	Married or cohabitating	627	81590	Ref.	348	46915	Ref.	279	34674	Ref.
	Other living arrangements	86	9341	1.16 (0.91;1.49)	58	6444	1.08 (0.80;1.47)	28	2897	1.27 (0.85;1.88)
WOMEN	Educational level
	High	38	32944	Ref.	27	15721	Ref.	11	17223	Ref.
	Medium	75	35647	1.30 (0.84;2.03)	58	23317	0.96 (0.56-1.64)	17	12330	2.05 (0.96-4.37)
	Low	235	67106	1.24 (0.81;1.90)	74	19065	1.23 (0.72-2.11)	161	48041	1.75 (0.89-3.45)
	Marital Status
	Married or cohabitating	270	115150	Ref.	130	49214	Ref.	140	65936	Ref.
	Other living arrangements	92	23172	1.18 (0.91;1.52)	35	9495	0.93 (0.62-1.40)	57	13677	1.28 (0.92-1.78)

Men and women 35-69 years old free of previous CVD at baseline (ALL). The population is then stratified by geographical area (NORTH vs. CENTRE-SOUTH of Italy).
n=number of first cardiovascular events. p/y=person-years. Ref.= reference.
^a HR for educational levels adjusted for age, systolic blood pressure, total cholesterol, HDL cholesterol, diabetes (yes, no), smoking habits (yes, no), anti hypertensive medication(yes, no). HR for marital status adjusted for age, systolic blood pressure, total cholesterol, HDL cholesterol, diabetes (yes, no), smoking habits (yes, no), anti hypertensive medication (yes, no), education (three levels).

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