Table 3.
Association of depressive symptoms with study outcomes
| Study Outcome | Depressive Symptoms as Continuous Variablea | Depressive Symptoms as Categorical Variable | ||
|---|---|---|---|---|
| Unadjusted Association | Adjusted Associationb | Unadjusted Association | Adjusted Associationb | |
| Missed hemodialysis | 1.25 (1.14 to 1.38) | 1.21 (1.10 to 1.33) | 1.36 (1.13 to 1.64) | 1.27 (1.06 to 1.53) |
| Abbreviated hemodialysis | 1.09 (1.03 to 1.15) | 1.08 (1.03 to 1.14) | 1.09 (0.97 to 1.22) | 1.10 (0.98 to 1.23) |
| Emergency department visits | 1.25 (1.13 to 1.37) | 1.24 (1.12 to 1.37) | 1.33 (1.05 to 1.69) | 1.25 (0.98 to 1.59) |
| Hospitalizations | 1.23 (1.14 to 1.34) | 1.19 (1.10 to 1.30) | 1.43 (1.18 to 1.74) | 1.43 (1.17 to 1.75) |
| Mortality | 1.36 (1.12 to 1.65) | 1.40 (1.11 to 1.77) | 1.46 (0.83 to 2.58) | 1.55 (0.81 to 2.96) |
Data denote the incident rate ratio (95% confidence interval).
a
Estimated effects are per 5-point increase in the Patient Health Questionnaire-9 score.
b
Models adjusted for age, sex, Charlson Comorbidity Index score, black race, time on dialysis, catheter (versus arteriovenous fistula or graft), employment, income, low health literacy, dialysis schedule (Tuesday/Thursday/Saturday versus Monday/Wednesday/Friday), and study site.