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Table 3 Results of the stepwise regression analysis of the five family burden factors and characteristics and clinical features (N=443)

From: Comparison of burden among family members of patients diagnosed with schizophrenia and bipolar disorder in a large acute psychiatric hospital in China

Dependent variables Independent variables B S.E. Beta t P 95% C.I. for B
Lower Upper
Factor 1
  ITAQ −0.204 0.039 −0.234 −5.195 <0.001 −0.281 −0.127
  Diagnosis (BD vs SP) 2.013 0.434 0.209 4.638 <0.001 1.160 2.866
  Female (patient) −1.353 0.435 −0.141 −3.113 0.002 −2.207 −0.499
  Employed (patient) −1.319 0.494 −0.120 −2.668 0.008 −2.290 −0.347
  Employed (caregiver) −0.965 0.432 −0.101 −2.233 0.026 −1.815 −0.116
Factor 2
  ITAQ −0.014 0.007 −0.096 −2.029 0.043 −0.028 0.000
Factor 3
  Employed (caregiver) 1.370 0.456 0.140 3.006 0.003 0.474 2.266
  Duration of illness 0.079 0.026 0.140 3.030 0.003 0.028 0.129
  Female (patient) −1.309 0.456 −0.133 −2.873 0.004 −2.204 −0.414
  SF-36 MCS −0.016 0.008 −0.091 −1.970 0.049 −0.032 0.000
Factor 4
  Age −0.038 0.009 −0.189 −4.000 <0.001 −0.056 −0.019
  Female (patient) 0.539 0.233 0.109 2.317 0.021 0.082 0.996
  Diagnosis (BD vs SP) 0.506 0.233 0.102 2.176 0.030 0.049 0.963
  Divorce/widow (caregiver) 1.008 0.443 0.105 2.277 0.023 0.138 1.878
  Employed (caregiver) −0.504 0.231 −0.102 −2.187 0.029 −0.958 −0.051
Factor 5
  ITAQ 0.051 0.020 0.120 2.557 0.011 0.012 0.090
  Age 0.019 0.009 0.100 2.124 0.034 0.001 0.036
  1. See Table 1 for abbreviations
  2. Factor 1 violent behavior, Factor 2 caregiver distress, Factor 3 disrupted routines, Factor 4 suicidal behavior, Factor 5 satisfaction with services