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Table 4 Estimated odds ratios for depressive symptoms and malnutrition on 30-day readmission

From: Depressive symptoms and malnutrition are associated with other geriatric syndromes and increase risk for 30-Day readmission in hospitalized older adults: a prospective cohort study

  Model 1, Odds Ratio (95% CI) Model 2 Odds Ratio (95% CI) Model 3 Odds Ratio (95% CI)
Depressive symptoms    
PHQ2- / History – Ref Ref Ref
PHQ2- / History + 1.24 (0.58–2.65) P = 0.576 1.03 (0.47–2.24), P = 0.947 0.98 (0.44–2.19) P = 0.961
PHQ2+ / History ± 1.55 (1.15–2.07), P = 0.003 1.38 (1.02–1.86), P = 0.039 1.32 (0.96–1.80) P = 0.087
Non-communicative 2.47 (1.63–3.74), P < 0.001 2.11 (1.35–3.28), P = 0.001 2.00 (1.13–3.58) P = 0.018
Malnutrition 1.59 (1.14–2.23), P = 0.007 1.40 (0.99–1.98), P = 0.058 1.17 (0.81–1.69) P = 0.414
  1. PHQ Patient Health Questionnaire
  2. Model 1: Unadjusted univariate logistic regression of depressive symptoms and malnutrition, separately, on 30-day readmission
  3. Model 2: DAG-based minimal adjustment set. The model for depressive symptoms included age, gender, ethnicity, comorbidity burden, living alone and admission in preceding one year. The model for malnutrition included age, ethnicity, and depressive symptoms
  4. Model 3: Conventional model including depressive symptoms and malnutrition, adjusted for admission in the preceding one year, admission diagnosis, length of stay, comorbidity burden, frailty, delirium, functional decline at discharge, poor oral intake, age, gender, ethnicity