New potential determinants of disability in aged persons with myocardial infarction: results from the KORINNA-study

Table 2 Age- and sex-adjusted logistic regression analyses on prevalent disability (Health Assessment Questionnaire-Disability ≥ 0.5)

Variable	Odds ratio^a	95% confidence interval	Wald p-value^a
Demography
Male sex	0.51	[0.31-0.83]	0.006
Married	0.75	[0.43-1.30]	0.300
School education
≥12 years	ref.	ref.	ref.
10 years	0.99	[0.36-2.77]	0.991
9 years	1.14	[0.49-2.66]	0.771
Clincial parameters
Heart failure	4.37	[2.50-7.64]	<0.001
Blood pressure > 130/80 mmHg	0.89	[0.50-1.59]	0.694
Cardiac arrest	2.18	[1.11-4.28]	0.024
Re-infarction	0.96	[0.56-1.65]	0.876
ST-segment elevation	0.60	[0.37-0.97]	0.037
Pathological lung sounds	2.87	[1.49-5.52]	0.002
Interventions
Pacemaker	4.52	[2.21-9.25]	<0.001
Coronary artery bypass graft	5.77	[2.69-12.38]	<0.001
PTCA^b with stent	0.24	[0.14-0.41]	<0.001
Co-morbidities
Cognitive impairment^c	0.51	[0.27-0.99]	0.045
Recent vision decline	1.12	[0.66-1.89]	0.669
Hearing loss both ears	2.53	[1.35-4.72]	0.004
Oedema of lower limb	4.11	[1.82-9.28]	0.001
Diabetes mellitus	3.23	[1.91-5.47]	<0.001
Angina pectoris	1.60	[0.95-2.68]	0.075
Circulatory disturbances in legs	2.14	[1.13-4.06]	0.020
Stroke	2.39	[0.97-5.90]	0.059
Osteoporosis	2.08	[0.83-5.25]	0.120
Depressive symptoms^d	0.17	[0.04-0.78]	0.023
Lifestyle, personal and environmental factors
Social support average or above^e	1.82	[0.87-3.78]	0.110
Nutrition deficient^f	0.30	[0.15-0.57]	0.001
Smoker or ex-smoker	0.94	[0.57-1.55]	0.796
Never smoker	ref.	ref.	ref.
Obesity^g	1.38	[0.80-2.36]	0.245

^aOdds ratios, p-values and confidence limits displayed in Table 2 are products of age- and sex-adjusted, unstratified logistic regression models of the effect of the factors on prevalent disability. The factor sex is adjusted for age only.
^bPercutaneous transluminal coronary angioplasty.
^cMini Mental State Exam <24.
^dGeriatric Depression Scale ≤10.
^eF-SozU <3.29.
^fSeniors in the Community: risk evaluation for eating and nutrition, Version II <43.
^gBody Mass Index ≥ 30 kg/m².

ISSN: 1471-2318