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Table 4 Factors associated with four domains (PCS, MCS, VT, and RE) of the SF-12 of the spousal caregivers by multiple linear regressions

From: Factors influencing the health-related quality of life of Chinese advanced cancer patients and their spousal caregivers: a cross-sectional study

Independent variables PCS_SC MCS_SC VT_SC RE-SC
Coef B (95 % CI) P-value Coef B (95 % CI) P-value Coef B (95 % CI) P-value Coef B (95 % CI) P-value
Constant 50.36(39.92,60.81) 0.000 43.37(34.92,51.82) 0.000 52.83(41.75,63.92) 0.000 44.20(33.26,55.13) 0.000
4a: Patients’ characteristics         
 Male vs. Female_Pa 0.27(−3.01,3.55) 0.871 0.02(−2.63,2.68) 0.987 0.92(−2.57,4.40) 0.603 1.16(−2.28,4.60) 0.505
 Time since diagnosis of cancer −0.03(−0.09,0.04) 0.458 −0.01(−0.06,0.05) 0.786 −0.01(−0.08,0.06) 0.730 −0.004(−0.07,0.07) 0.906
 Partly vs. Well informed −0.97(−4.60,2.66) 0.598 0.69(−2.25,3.63) 0.643 2.01(−1.84,5.86) 0.303 1.77(−2.03,5.57) 0.357
4b: Spousal caregivers’ characteristics        
 Level of education (vs. University or above)        
  Primary school 0.48(−4.83,5.79) 0.858 −0.67(−4.96,3.63) 0.758 −1.35(−6.99,4.28) 0.636 1.48(−4.08,7.04) 0.600
  High school 0.15(−5.05,5.35) 0.955 −0.51(−4.71,3.70) 0.812 −1.22(−6.74,4.30) 0.663 1.75(−3.69,7.19) 0.525
 Working vs. Non working 0.42(−2.70,3.54) 0.790 −0.22(−2.74,2.31) 0.865 0.57(−2.74,3.88) 0.732 0.88(−2.38,4.15) 0.593
 Partly vs. Well informed −1.55(−5.67,2.56) 0.457 1.62(−1.71,4.95) 0.336 1.08(−3.29,5.44) 0.627 −3.29(−7.60,1.02) 0.133
 Time spent in caring for P/day 0.09(−1.11,1.30) 0.880 −0.50(−1.48,0.47) 0.310 −0.94(−2.22,0.33) 0.146 −0.36(−1.62,0.91) 0.578
4c: Dyads’ characteristics         
 Change in the relationship with their partner after the diagnosis of cancer       
  Improved vs. No change 0.22(−3.17,3.62) 0.898 −0.80(−3.55,1.95) 0.565 5.18(1.57,8.78) 0.005 −4.36(−7.92,−0.81) 0.017
 Financial burden on the family due to the treatment of cancer (vs. Mild or None)      
  Serious −8.29(−16.62,0.04) 0.061 1.00(−5.73,7.74) 0.769 −4.13(−12.96,4.71) 0.357 −7.54(−16.26,1.17) 0.089
  Normal −7.15(−15.59,1.29) 0.096 1.92(−4.91,8.74) 0.580 −3.59(−12.54,5.37) 0.429 −3.79(−12.63,5.04) 0.397
4d: HADS         
 PCFAC: HAD of patients −0.68(−2.51,1.15) 0.464 −2.00(−3.48,−0.52) 0.008 −0.79(−2.73,1.15) 0.422 −1.33(−3.25,0.58) 0.171
 PCFAC: HAD of SC −3.09(−4.90,−1.27) 0.001 −2.51(−3.97,−1.04) 0.001 −2.29(−4.22,−0.37) 0.020 −3.18(−5.08,−1.29) 0.001
  1. PCS physical component summary, MCS mental component summary, VT vitality, RE role emotional, P patient; SC Spousal Caregivers; Coef B Unstandardized regression Coefficient B, CI confidence interval, PCFAC: HAD principal component from a factor analysis of anxiety and depression
  2. aThe findings of the gender analysis of the patients are the opposite of those in the gender analysis of the spousal caregivers