title: Social involvement and activeness as predictors of morale six months after first myocardial infarction.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001294:Attitude to Health; D005500:Follow-Up Studies; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008875:Middle Aged; D009013:Morale; D009203:Myocardial Infarction; D012917:Social Adjustment; D012919:Social Behavior; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D013997:Time Factors; D014937:Work