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Table 4 Effect size and statistical significance of features

From: Predicting functional performance via classification of lower extremity strength in older adults with exergame-collected data

Feature

Not fit-fit effect size (g)

Not fit-fit significance (p)

Feature

Not fit-fit effect size (g)

Not fit-fit significance (p)

\({Com}_{{Avg}_{Up},x}\)

0.3168

0.1998

\({Avg}_{y}\)

− 0.0056

0.9817

\({Com}_{{Avg}_{Up},y}\)

− 0.4678

0.0595

\({Max}_{x}\)

− 0.3507

0.1528

\({Com}_{{Avg}_{Down,x}}\)

0.2790

0.2692

\({{\varvec{M}}{\varvec{a}}{\varvec{x}}}_{{\varvec{y}}}\)

− 0.5279

0.0310

\({Com}_{{Avg}_{Down,y}}\)

− 0.1171

0.6238

\({Min}_{x}\)

0.3565

0.1472

\({Com}_{{Avg}_{Right},x}\)

− 0.2328

0.3404

\({Min}_{y}\)

− 0.1036

0.6630

\({Com}_{{Avg}_{Right},y}\)

− 0.4073

0.1028

\({{\varvec{S}}{\varvec{t}}{\varvec{d}}}_{{\varvec{x}}}\)

− 0.6665

0.0068

\({Com}_{{Avg}_{Left},x}\)

0.2661

0.2756

\({Std}_{y}\)

− 0.3789

0.1247

\({Com}_{{Avg}_{Left},y}\)

− 0.3234

0.1863

\({{\varvec{I}}{\varvec{f}}}_{{\varvec{A}}{\varvec{v}}{\varvec{g}}}\)

− 0.7478

0.0035

\({Com}_{{Std}_{Up,x}}\)

− 0.0323

0.8966

\({{\varvec{I}}{\varvec{f}}}_{{\varvec{M}}{\varvec{a}}{\varvec{x}}}\)

− 0.6337

0.0119

\({{\varvec{C}}{\varvec{o}}{\varvec{m}}}_{{{\varvec{S}}{\varvec{t}}{\varvec{d}}}_{{\varvec{U}}{\varvec{p}},{\varvec{y}}}}\)

− 0.4913

0.0461

\({{\varvec{I}}{\varvec{f}}}_{{\varvec{T}}{\varvec{h}}{\varvec{r}}{\varvec{e}}{\varvec{s}}{\varvec{h}}{\varvec{o}}{\varvec{l}}{\varvec{d}},0.5}\)

− 0.7452

0.0024

\({Com}_{{Std}_{Down,x}}\)

0.2234

0.3490

\({If}_{Threshold,1}\)

− 0.2411

0.2873

\({Com}_{{Std}_{Down,y}}\)

0.4173

0.0860

\({If}_{Threshold,1.5}\)

0

0

\({Com}_{{Std}_{Right,x}}\)

0.0318

0.8977

\({If}_{Threshold,2}\)

0

0

\({Com}_{{Std}_{Right,y}}\)

0.0753

0.7621

\({{\varvec{I}}{\varvec{f}}}_{{{\varvec{S}}{\varvec{u}}{\varvec{m}}}_{{\varvec{A}}{\varvec{v}}{\varvec{g}}}}\)

− 0.7387

0.0038

\({Com}_{{Std}_{Left,x}}\)

− 0.3164

0.1959

\({If}_{{Sum}_{Max}}\)

− 0.2107

0.3938

\({Com}_{{Std}_{Left,y}}\)

− 0.0237

0.9217

\({{\varvec{I}}{\varvec{f}}}_{{{\varvec{S}}{\varvec{u}}{\varvec{m}}}_{{\varvec{O}}{\varvec{v}}{\varvec{e}}{\varvec{r}}0.5}}\)

− 1.5261

< 0.0001

\({Balance}_{Up}\)

0.1598

0.5215

\({{\varvec{I}}{\varvec{f}}}_{{{\varvec{S}}{\varvec{u}}{\varvec{m}}}_{{\varvec{O}}{\varvec{v}}{\varvec{e}}{\varvec{r}}1}}\)

− 0.9196

0.0003

\({Balance}_{Down}\)

0.1623

0.4988

\({If}_{{Sum}_{Over1.5}}\)

− 0.2206

0.3477

\({Balance}_{Right}\)

− 0.3628

0.1429

\({If}_{{Sum}_{Over2}}\)

− 0.2062

0.3762

\({{\varvec{B}}{\varvec{a}}{\varvec{l}}{\varvec{a}}{\varvec{n}}{\varvec{c}}{\varvec{e}}}_{{\varvec{L}}{\varvec{e}}{\varvec{f}}{\varvec{t}}}\)

0.6306

0.0091

\({{\varvec{S}}{\varvec{t}}{\varvec{e}}{\varvec{p}}}_{{\varvec{A}}{\varvec{v}}{\varvec{g}}}\)

1.2260

< 0.0001

\({Avg}_{x}\)

0.1925

0.4267

\({{\varvec{S}}{\varvec{t}}{\varvec{e}}{\varvec{p}}}_{{\varvec{S}}{\varvec{t}}{\varvec{d}}}\)

0.8446

0.0020

  1. All values are presented as not fit vs. fit, meaning that a negative effect size indicates the parameter has lower values in the not fit group. According to Cohen’s rule, g > 0.8 indicates a large effect size. Bold emphasis indicates statistical significance (p < 0.05)