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Table 4 Multiple regression models with significant predictors of quality of life (p < 0.10), using backward-selection

From: Physical activity and quality of life in long-term hospitalized patients with severe mental illness: a cross-sectional study

Measure B 95% CI F R 2 R 2 Adj .
Predicting EQ-5D index score
2003Overall model    6.76**** 0.16 0.14
 TAC/h      
  Q2 0.16*** (0.05–0.28)    
  Q3 0.15** (0.04–0.27)    
  Q4 0.17*** (0.05–0.28)    
Gender      
Illness severity      
Predicting WHO overall QoL rating
Overall model    5.18**** 0.13 0.10
 TAC/h      
  Q2 0.56*** (0.20–0.92)    
  Q3 0.35* (−0.01–0.71)    
  Q4 0.22 (−0.14–0.59)    
Gender      
Illness severity      
Predicting WHO health satisfaction rating
Overall model    2.74*** 0.19 0.12
 TAC/h      
  Q2 0.48** (0.01–0.95)    
  Q3 0.41 (−0.08–0.90)    
  Q4 0.50* (−0.02–1.01)    
Agea      
Diagnosis      
Illness severitya      
Antidepressants      
Predicting WHO physical QoL domain
Overall model    3.72**** 0.24 0.17
 TAC/h      
  Q2 1.18** (0.10–2.26)    
  Q3 1.66*** (0.54–2.79)    
  Q4 1.50** (0.31–2.69)    
Agea      
Gender      
Diagnosis      
Illness severitya      
Predicting WHO psychological QoL domain
Overall model    3.85**** 0.23 0.17
 TAC/h      
  Q2 1.09* (−0.16–2.35)    
  Q3 0.90 (−0.39–2.20)    
  Q4 0.30 (−1.07–1.68)    
Age      
Gender      
Diagnosis      
Illness severity      
Use of antipsychotics      
Use of antidepressants      
Predicting WHO social QoL domain
Overall model    2.33*** 0.14 0.08
 TAC/h      
  Q2 1.49** (0.27–2.72)    
  Q3 1.19* (−0.03–2.42)    
  Q4 0.97 (−0.30–2.23)    
Years of hospitalization      
Diagnosis      
Illness severitya      
Use of antidepressants      
  1. Significant results shown in bold. TAC/h = average Total Activity Counts per hour; Q = Quartile (n = 46)
  2. *p < 0.10. ** p < 0.05. *** p < 0.01. *** p < 0.001
  3. aIn quartiles