Key result
Type D personality predicts impaired mental health and overall health status in chronic HF patients.
Why the study?
Do Type D personality and depressive symptoms independently predict impaired health status in patients with chronic heart failure?
Cohort (n=166)
Do Type D personality and depressive symptoms independently predict impaired health status in patients with chronic heart failure?
p-value: p=<0.001
Type D personality and depressive symptoms independently predict worse patient-reported health status in chronic heart failure over 12 months.
Supports identifying Type D personality to flag poorer health status trajectories in chronic HF; extends observational data but leaves open intervention targets.
OBJECTIVE: To examine whether Type D personality exerts a stable, independent effect on health status in CHF over time, adjusted for depressive symptoms. SUBJECTS: CHF outpatients (n=166; 75% men; mean age 66 years) completed the Type D Scale and Beck Depression Inventory (baseline) and the Minnesota Living with Heart Failure Questionnaire and Short-Form Health Survey (baseline and 12 months). RESULTS: There was a general improvement in disease-specific physical (p=.029) and mental (p<.001) health over time, but Type D patients scored significantly lower on both outcomes (p<or=.001). The interaction effects Type D x time were not significant, indicating stability of the personality effect. Type D patients also scored significantly lower on all generic physical (p values between .001 and .04) and mental (all p values <.001) health status subdomains; these effects were also stable over time. Type D was an independent predictor of disease-specific mental health (p<.001), social functioning (p=.04), role emotional functioning (p<.001), bodily pain (p=.05), and general health (p=.04), adjusted for depressive symptoms, baseline health status and clinical characteristics. Depressive symptom was an independent predictor of role physical functioning and bodily pain. CONCLUSIONS: Type D personality and depressive symptoms were independent predictors of impaired health status in CHF.
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Schiffer et al. (2008) conducted a cohort in Chronic Heart Failure (n=166). Type D personality vs. Non-Type D personality was evaluated on Health status (disease-specific and generic physical and mental health) (p=<0.001). Type D personality was a stable, independent predictor of impaired disease-specific mental health (p<0.001) and other health status subdomains in chronic heart failure patients over 12 months.
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