Table 5 Prior PA_AGES-I → LEF_AGES-II regression models with \({N}_{m}\) and \({\mu }_{m}\) added as theorized mediators.

	Fast gait speed (GSF)			Normal gait speed (GSN)			Isometric leg strength (STR)			Timed up-and-go (TUG)
	β	SE	p-value	β	SE	p-value	β	SE	p-value	β	SE	p-value
Variable
PA_AGES-I	0.1377	0.003	< 0.001	0.1431	0.002	< 0.001	0.0720	0.894	< 0.001	− 0.1118	0.041	< 0.001
\({N}_{m}\)	0.2781	3.9E−4	< 0.001	0.2494	2.8E−4	< 0.001	0.3162	0.126	< 0.001	− 0.0443	0.006	< 0.001
\({\mu }_{m}\)	0.0853	0.002	< 0.001	0.1092	0.001	< 0.001	0.0953	0.522	< 0.001	− 0.1464	0.023	< 0.001
Age	− 0.2716	0.001	< 0.001	− 0.3264	0.001	< 0.001	− 0.1718	0.317	< 0.001	0.2779	0.014	< 0.001
Sex	− 0.1522	0.011	< 0.001	− 0.0261	0.008	0.191	− 0.4192	3.60	< 0.001	− 0.0622	0.162	0.003
BMI	− 0.2853	0.001	< 0.001	− 0.2876	0.001	< 0.001	− 0.0848	0.410	< 0.001	0.2630	0.019	< 0.001
LEF_AGES-I	0.0224	0.017	0.166	0.0135	0.017	0.384	0.0104	0.012	0.443	0.0139	0.023	0.399
Prior effect
PA_AGES-I	0.1686	0.003	< 0.001	0.1755	0.002	< 0.001	0.1060	0.934	< 0.001	− 0.1406	0.038	< 0.001
% Change	− 18.3%			− 18.5%			− 32.1%			− 20.3%

All twelve hypothesis tests surpassed their respective thresholds for HB correction.

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