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Table 5 Standardized path coefficients and fit statistics of four models

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

Indicates M 1 M 2 M 3 M 4
Dyadic variables PCS MCS VT RE
Number of distinct sample moments: 27 27 27 27
Number of distinct parameters to be estimated 25 25 25 25
Degrees of freedom 2 2 2 2
Anxiety_P Depression_P 0.82** 0.82** 0.82** 0.82**
Anxiety_SC Depression_SC 0.83** 0.83** 0.83** 0.83**
Anxiety _P SDs_P (A-a) −0.14 −0.32* −0.02 −0.21
Anxiety _P SDs_SC (P-a) 0.06 −0.09 0.26 0.002
Depression_P SDs_P (A-b) −0.22 −0.02 −0.23 −0.12
Depression_P SDs_SC (P-b) −0.16 −0.18 −0.33* −0.22
Anxiety_SC SDs_SC (A-c) −0.13 −0.18 −0.08 −0.24
Anxiety_SC SDs_P (P-c) −0.16 −0.05 −0.11 −0.18
Depression_SC SDs_SC (A-d) −0.22 −0.16 −0.25 −0.07
Depression_SC SDs_P (P-d) 0.03 −0.12 0.01 −0.03
Chi-square X 2 2.345 2.345 2.345 2.345
Probability level (P > 0.05) 0. 310 0. 310 0. 310 0. 310
a confirmatory fit index (CFI > 0.95) 0.999 0.999 0.999 0.999
a root mean square error of approximation (RMSEA < 0.08) 0.036 0.036 0.036 0.036
  1. SDs SF-12 Domains, P patients, SC spousal caregivers
  2. A-a, A-b, A-c, A-d, A-d stands for Actor effects
  3. P-a, P-b, P-c, P-d stands for Partner effects
  4. M1 to M4 represent four different sub-models. M1: PCS = physical component summary; M2: MCS = mental component summary; M3: VT = Vitality; M4: RE = role emotional
  5. *P < 0.05; **P < 0.01