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The models of this study. (A) The proposed causal model. χ2=21.369 (p=0.002); df=6; χ2/df=3.562; RMSEA=0.044; GFI=0.995; AGFI=0.981; NFI=0.968; CFI=0.977. (B) The final model. χ2=4.564 (0.207); df=3; χ2/df=1.521; RMSEA=0.020; GFI=0.999; AGFI=0.993; NFI=0.993; CFI=0.997.
