Long-term survival among older patients with myocardial infarction differs by educational level: results from the MONICA/KORA myocardial infarction registry

Table 3 Hazard ratios [95% confidence interval] for mortality associated with low educational level

	Crude		Adjusted for age and sex		Full model^a		Parsimonious model
	HR [95% CI]	p-value	HR [95% CI]	p-value	HR [95% CI]	p-value	HR [95% CI]	p-value
Total sample (n = 3,419)	1.46 [1.16–1.83]	0.001	1.17 [0.90–1.51]	0.236	1.16 [0.90–1.50]	0.263	1.16 [0.90–1.50]^b	0.256
Age ≤ 65 years (n = 2,212)	0.94 [0.60–1.48]	0.797	0.91 [0.57–1.46]	0.701	0.88 [0.55–1.40]	0.584	0.86 [0.54–1.37]^c	0.526
Age > 65 years (n = 1,207)	1.35 [1.03–1.78]	0.031	1.46 [1.07–1.99]	0.017	1.44 [1.05–1.98]	0.024	1.44 [1.05–1.98]^d	0.023
Men
Total (n = 2,575)	1.18 [0.79–1.74]	0.420	1.06 [0.72–1.56]	0.763	1.07 [0.72–1.56]	0.728	1.08 [0.73–1.61]^e	0.701
Age ≤ 65 years (n = 1,782)	0.77 [0.38–1.57]	0.469	–	–	0.71 [0.34–1.45]	0.342	0.70 [0.34–1.42]^f	0.319
Age > 65 years (n = 793)	1.33 [0.83–2.14]	0.242	–	–	1.44 [0.89–2.33]	0.142	1.43 [0.89–2.31]^g	0.142
Women
Total (n = 844)	1.63 [1.16–2.29]	0.005	1.25 [0.88–1.77]	0.217	1.23 [0.86–1.75]	0.252	1.24 [0.87–1.77]^h	0.233
Age ≤ 65 years (n = 430)	1.09 [0.57–2.09]	0.796	–	–	1.10 [0.57–2.14]	0.781	1.08 [0.56–2.07]ⁱ	0.824
Age > 65 years (n = 414)	1.56 [1.03–2.38]	0.038	–	–	1.50 [0.97–2.32]	0.067	1.57 [1.02–2.41]^j	0.039

^aAdjusted for age, sex, living alone, diabetes, angina pectoris, hypertension, hyperlipidaemia, stroke, any reperfusion therapy, AMI type (STEMI, NSTEMI, bundle branch block), left ventricular ejection fraction (< 30 versus ≥ 30), any in-hospital complications.
^bAdjusted for age, sex, diabetes, stroke, angina pectoris, hyperlipidaemia, any reperfusion therapy, AMI type, left ventricular ejection fraction.
^cAdjusted for sex, diabetes, angina pectoris, hypertension, stroke, left ventricular ejection fraction, any reperfusion therapy, any in-hospital complications.
^dAdjusted for sex, diabetes, hyperlipidaemia, any reperfusion therapy, AMI type, left ventricular ejection fraction.
^eAdjusted for age, diabetes, angina pectoris, hypertension, hyperlipidaemia, stroke, any reperfusion therapy, AMI type, left ventricular ejection fraction.
^fAdjusted for angina pectoris, hypertension, hyperlipidaemia, stroke, any reperfusion therapy, AMI type.
^gAdjusted for angina pectoris, hyperlipidaemia, any reperfusion therapy, AMI type.
^hAdjusted for age, diabetes, any reperfusion therapy, any in-hospital complications.
ⁱAdjusted for diabetes, stroke.
^jAdjusted for diabetes, any reperfusion therapy, any in-hospital complications.

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