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. 2023 May 5;4:1140778. doi: 10.3389/fpain.2023.1140778

Figure 5.

Figure 5

Serial mediation of perceived stress and TNF-α. (A) Path diagram showing the total effect of gratitude on depression. (B) Serial mediation model of the direct and indirect effects of gratitude on depression through perceived stress and TNF-α. *p < 0.05 is statistically significant.