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Table 6 Multivariate linear multiple regression results for covariates of economic cost

From: Economic cost and quality of life of family caregivers of schizophrenic patients attending psychiatric hospitals in Ghana

  Cost   
  Direct Indirect Joint effect
Covariates β (95% CI) β (95% CI) F-test statistic p-value
   **   
  0.71 3.25   
Age in years (−0.17,1.59) (0.99,5.52) 10.18 0.0001***
Sex   *   
 Female Ref Ref   
 Male 12.06 −61.09 3.65 0.0269*
(−11.58,35.70) (−121.77,-0.41)   
Marital status
 Single Ref Ref   
 Married 19.30 53.42 3.93 0.0203*
(−5.58,44.17) (−10.43,117.28)   
Proximity *    
 Close Ref Ref   
 Far 32.33 0.84 2.91 0.0554
(5.52,59.15) (−68.00,69.67)   
Education   ***   
 None Ref Ref   
 Primary/junior high school 12.27(−26.56,51.11) −64.17(−163.87,35.52) 18.61 0.0001***
 Secondary 16.19(−22.77,55.16) −79.76(−179.78,20.27)   
 Tertiary 39.84(−4.43,84.11) −215.75(−329.41,-102.10)   
Employment status   ***   
 None Ref Ref   
 Private 1.07(−40.83,42.96) −327.68(−435.22,-220.14)   
 Public 5.58(−41.69,52.86) −302.55(−423.91,-181.19) 2.36 0.0953
 Self-employed 7.35(−25.48,40.17) −45.51(−129.79,38.76)   
 Student/apprentice 66.56(−6.26,139.38) −19.64(−206.58,167.30)   
R 2 50.8% 64.2%   
  1. β is the estimated effect of covariate; R 2 is the adjusted coefficient off determination; CI is confidence interval; ref. is the reference category
  2. *p < 0.05, ** p < 0.01, *** p < 0.001