Table 3.

Association of baseline poor mental health with all-cause mortality, cause-specific mortality, and cardiac hospitalization in Cox proportional hazards models

Baseline Poor Mental Health (MHI Score≤60)
Crude hazard ratio (95% CI)Adjusted hazard ratio (95% CI)
All-cause mortality1.17 (1.02, 1.36)a1.13 (1.00, 1.32)
Cause-specific mortality
 cardiac death1.26 (1.00, 1.60)1.20 (0.92, 1.57)
  IHD death1.20 (0.91, 1.60)1.10 (0.81, 1.50)
  HF death1.50 (0.73, 2.90)1.51 (0.68, 3.32)
  arrhythmic death1.03 (0.59, 1.80)0.99 (0.54, 1.81)
  death from other heart diseases0.70 (0.32, 1.54)0.70 (0.30, 1.61)
 infectious death1.10 (0.80, 1.52)0.97 (0.68, 1.38)
First cardiac hospitalization1.11 (0.95, 1.30)1.00 (0.84, 1.19)
First cardiac hospitalization or cardiac death1.18 (1.02, 1.36)a1.10 (0.90, 1.25)
  • Adjusted for age, sex, race, currently working, less than a high school education, married, currently smoking, time on dialysis, flux group, index of coexistent disease score, history of coronary artery disease, serum albumin, bicarbonate, β-blocker use, and sleep medication use. MHI, mental health index; CI, confidence interval; IHD, ischemic heart disease; HF, heart failure.

  • a P<0.05.