Bland–Altman plots between criterion and ADAMO Care Watch during walk test.

<p>a) Normal speed (<i>a1</i> Older adults and <i>a2</i> Young adults); b) Slow speed (<i>b1</i> Older adults and <i>b2</i> Young adults); c) Fast speed (<i>c1</i> Older adults and <i>c2</i> Young adults). Dashed lines represent mean bias differences; Solid lines represent 95% prediction intervals.