One hundred and eighteen survivors of myocardial infarction were assigned scores on eight dimensions of illness behaviour recently described as arising in response to myocardial infarction. These data were subjected to a cluster analysis to produce an optimal solution of four homogeneous clusters of patients. The first contained patients who, on clinical grounds, appeared to be claiming illness as a highly significant and consequential occurrence in their lives; the second accepted illness but experienced a marked affective response to it; the third appeared to adopt a realistic approach to illness and be coping adequately; and the fourth seemed to be denying (or at least minimizing) both the presence of serious illness and its possible consequences. These findings were discussed in terms of their bearing on prognosis, within the context of abnormal illness behaviour.
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