Relationships between physical activity and muscular strength among healthy adults across the lifespan

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Table 5 Multivariate models of correlates of lower body muscle strength among STOMP participants (n = 412)

Muscle strength	Predictors	β	t	Partial r	r²	p
Isometric knee extension	Gender	−0.589	−16.959	−0.645		<0.001
	Age	−0.354	−10.333	−0.457		<0.001
	BMI	0.178	5.073	0.245		<0.001
	Total self reported energy expenditure (MET*hr/wk)	0.074	2.145	0.106		0.033
Model summary					0.530	<0.001
Isometric knee flexion	Gender			−0.704		<0.001
	Age			−0.547		<0.001
	BMI			0.171		0.001
	Total self reported energy expenditure (MET*hr/wk)			0.127		0.010
Model summary					0.606	<0.001