Table 3.

Mediation models: relative total, direct, and indirect effects

		Coefficient	Boot SE	95%CI		Relative Proportion
				Boot LLCI	Boot ULCI
Model 1a	Total effects	0.370	0.080	0.213	0.529
	Direct effects	0.208	0.075	0.063	0.357	56.22%
	Indirect effects	0.162	0.025	0.116	0.212	43.78%
Model 2a	Sarcopenia
	Total effects	0.177	0.085	0.013	0.349
	Direct effects	0.046	0.082	− 0.115	0.210	25.99%
	Indirect effects	0.131	0.027	0.080	0.188	74.01%
	Severe sarcopenia
	Total effects	0.685	0.137	0.419	0.955
	Direct effects	0.476	0.126	0.234	0.724	69.42%
	Indirect effects	0.210	0.036	0.143	0.283	30.58%

Boot SE bootstrap standard error, Boot CI bootstrap confidence interval

^aAdjusted for age, gender, BMI, educational level and sleep quality