However, the single mediation pathway through social integration (X→M1→Y) and the chain mediation pathway involving both social integration and health status (X→M1→M2→Y) did not achieve significance, with corresponding confidence intervals of [−0.002, 0.002] and [−0.001, 0.001], respectively.
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Physical Exercise, Sports Spectating, and Subjective Life Expectancy in Older Chinese Adults: A Chain Mediation Analysis.
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The sentences
Specifically, the correlation between sports spectating and social integration did not reach statistical significance, and the Bootstrap mediation analysis failed to identify a significant chain mediation effect.