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Table 4 Multiple linear regression models of quality of life among people with severe mental illness, Ethiopia, 2019 (n = 387)

From: Perceived quality of life and associated factors among patients with severe mental illness in Ethiopia: a cross-sectional study

Variables Physical Psychological Social Environmental
Unstandardized B Coefficient with 95% CI Unstandardized B Coefficient with 95% CI Unstandardized B Coefficient with 95% CI Unstandardized B Coefficient with 95% CI
Age of participants 0.34 (0.27, 0.42)*** 0.37 (0.27, 0.47)*** 0.53 (0.42, 0.64)*** 0.44 (0.36, 0.52)***
Age of onset of illness 0.26 (0.20, 0.33)*** 0.27 (0.19, 0.36)*** 0.07 (− 0.02, 0.17)  − 0.09 (− 0.07, 0.05)
Comorbid medical illness     
No Ref Ref ### ###
Yes − 4.12 (− 5.33, − 2.90)***  − 1.87 (− 3.39, − 0.36)**   
Stigma     
No Ref Ref Ref Ref
Yes  − 2.38 (− 3.38, − 1.37)**  − 1.02 (− 2.33,0.29) 0.74 (− 0.82,2.31) 0.38 (− 0.67, 1.44)
Residency     
Urban ### ### Ref Ref
Rural    0.93 (− 1.31, 3.11)  − 0.98 (− 2.56, 0.59)
Living condition     
With family Ref Ref Ref Ref
Living alone  − 1.92 (− 3.09, − 0.74)* 0.41 (− 0.92, 1.76)  − 1.27 (− 2.79, 0.24)  − 0.52 (− 1.61,0.57)
Medication adherence     
Adherent Ref Ref Ref Ref
Non-adherent  − 0.42 (− 1.34, 0.49) 0.95 (− 0.24, 2.16)  − 0.59 (− 1.92,0.74)  − 0.17 (− 1.15,0.81)
Level of social support     
Strong Ref Ref Ref Ref
Poor  − 0.65 (− 1.71, 0.41) − 4.87 (− 6.45, − 3.33)***  − 3.79 (− 5.37, − 2.26)***  − 3.49 (− 4.65, − 2.34)***
Moderate 0.55 (− 0.42, 1.52)  − 1.29 (− 2.74, 0.14)  − 0.30 (− 2.07, 1.47)  − 0.25 (− 1.21,0.71)
Current sub/user     
No Ref Ref Ref Ref
Yes  − 1.19 (− 2.43, 0.05)  − 0.11 (− 1.56, 1.34)  − 1.29 (− 2.87,0.28) 0.79 (− 0.38, 1.96)
Follow up duration     
Duration < 5 years Ref Ref Ref Ref
Duration 5–10 years 0.02 (− 1.06, 1.07) 0.01 (− 1.32, 1.34)  − 3.09 (− 4.61, − 1.58)*  − 2.29 (− 3.42, − 1.13)***
Duration > 10 years  − 1.67 (− 2.89, − 0.41)***  − 0.73 (− 2.28,0.81)  − 0.46 (− 2.24,1.29)  − 0.58 (− 1.83, 0.67)
Occupation     
Employed     Ref
Jobless ### ### ###  − 0.68 (− 2.04,0.66)
Private business     0.09 (− 1.31,1.47)
Student     1.22 (− 0.56, 3.02)
  1. Ref reference
  2. *p < 0.05, **p < 0.01, ***p < 0.001
  3. ### Variable not included in the regression models