Table 5.

Analysis of linear hierarchical regression models between participants’ frailty, walking ability and depressive symptoms.

Model	R	R 2	Adjusted R2	Variation statistics
				F variation	P
1	0.194*	0.038	0.037	57.093	.000
2	0.293†	0.086	0.084	39.015	.000
3	0.442‡	0.196	0.191	41.478	.000

^*Predictor variable: walking 1 kilometer, frailty.

^†Predictive variables: walking 1 kilometer, frailty, gender, household registration type, education level, widowhood, age.

^‡Predictor variables: walking 1 kilometer, frailty, gender, registered permanent residence type, education level, widowhood, age, asthma, arthritis, poor mood, disability, hypertension, memory disease, hyperlipidemia, stroke, physical activity.