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Table 4 Results of Logistic Regression for variables affecting mental health outcome scores at 1 and 3 months of ICU discharge

From: Post traumatic stress symptoms, anxiety, and depression in patients after intensive care unit discharge – a longitudinal cohort study from a LMIC tertiary care centre

VariableBSEWalddfSig.Odds Ratio95% CI for OR UPPERLOWER
Logistic Regression for HADS scores at 1 month of ICU discharge
 Married−1.010.434.4210.040.360.140.93
 Substance abuse1.520.4113.51< 0.0054.572.0310.28
 Social Support−0.760.373.5910.040.50.220.9
 QOL score at 1 month−4.211.0914.51< 0.0050.0150.0020.131
Logistic Regression for HADS scores at 3 months of ICU discharge
 Substance abuse0.930.415.310.022.51.155.68
 Comorbidity score0.670.266.510.011.91.173.3
 Social Support- 0.80.44.0110.040.450.20.9
Logistic Regression for IES-r scores at 1 month of ICU discharge
 Substance Abuse0.640.275.7910.021.921.133.27
 APACHE II score0.060.034.1710.041.061.0021.12
 QOL score at 1 month−3.160.0211.8510.0010.040.0070.25
Logistic Regression for IES-r scores at 3 months of ICU discharge
 Substance abuse0.730.286.5910.012.081.193.65
 Social Support−0.860.375.4910.020.420.20.86
  1. Social Support – Based on scores on the MSPS scale, lower scores indicate less social support. QOL: Quality of Life based on EQ5D- EQ5D 3 L index scores where lower scores indicate worse QOL; Comorbidity score is the Chalrson comorbidity index, with higher scores indicating more significant comorbidity. APACHE II- Acute Physiology and Chronic Health Evaluation scores where lower scores indicate greater severity of illness in the first 24 h of ICU admission; HADS – Hospital Anxiety Depression scale; IES-r – Impact of events scale revised- indicative of symptoms of posttraumatic stress