Table 2 Correlations between physical functionality tests, BMI, and psychological measures

FL1 - FL2

0.594

< 0.001

0.342

0.766

FL1 - FL3

0.458

0.003

0.166

0.676

FL1 - FL4

0.365

0.022

0.056

0.610

FL1 - FL5

-0.703

< 0.001

-0.834

-0.498

FL1 - FL6

0.660

< 0.001

0.435

0.807

FL1 - BMI

-0.280

0.085

-0.547

0.039

FL1 - Resilience

0.507

0.001

0.228

0.709

FL1 – Mental well-being

0.452

0.004

0.160

0.672

FL1 - Optimism

0.275

0.090

-0.044

0.543

FL1 – Satisfaction with life

0.520

0.001

0.245

0.718

FL1 - Happiness

0.411

0.009

0.109

0.643

FL2 - FL3

0.430

0.006

0.132

0.656

FL2 - FL4

0.147

0.373

-0.177

0.442

FL2 - FL5

-0.484

0.002

-0.693

-0.198

FL2 - FL6

0.466

0.003

0.176

0.681

FL2 - BMI

-0.177

0.282

-0.466

0.147

FL2 - Resilience

0.281

0.083

-0.038

0.548

FL2 - Mental well-being

0.239

0.142

-0.082

0.516

FL2 - Optimism

0.059

0.721

-0.261

0.368

FL2 - Satisfaction with life

0.344

0.032

0.032

0.595

FL2 - Happiness

0.197

0.230

-0.126

0.482

FL3 - FL4

0.512

0.001

0.234

0.712

FL3 - FL5

-0.705

< 0.001

-0.835

-0.502

FL3 - FL6

0.516

0.001

0.240

0.715

FL3 - BMI

-0.173

0.292

-0.463

0.151

FL3 - Resilience

0.355

0.027

0.044

0.603

FL3 - Mental well-being

0.410

0.010

0.109

0.643

FL3 - Optimism

0.174

0.289

-0.150

0.464

FL3 - Satisfaction with life

0.279

0.085

-0.040

0.547

FL3 - Happiness

0.357

0.026

0.047

0.605

FL4 - FL5

-0.628

< 0.001

-0.787

-0.389

FL4 - FL6

0.529

0.001

0.256

0.723

FL4 - BMI

-0.179

0.275

-0.468

0.145

FL4 - Resilience

0.476

0.002

0.189

0.688

FL4 - Mental well-being

0.507

0.001

0.228

0.709

FL4 - Optimism

0.369

0.021

0.060

0.613

FL4 - Satisfaction with life

0.465

0.003

0.176

0.681

FL4 - Happiness

0.504

0.001

0.224

0.707

FL5 - FL6

-0.824

< 0.001

-0.904

-0.686

FL5 - BMI

0.244

0.135

-0.078

0.519

FL5 - Resilience

-0.606

< 0.001

-0.774

-0.359

FL5 - Mental well-being

-0.512

0.001

-0.713

-0.234

FL5 - Optimism

-0.307

0.057

-0.568

0.009

FL5 -Satisfaction with life

-0.564

< 0.001

-0.747

-0.303

FL5 - Happiness

-0.516

0.001

-0.715

-0.240

FL6 - BMI

-0.291

0.072

-0.555

0.027

FL6 - Resilience

0.642

< 0.001

0.409

0.796

FL6 - Mental well-being

0.532

< 0.001

0.260

0.725

FL6 - Optimism

0.499

0.001

0.217

0.703

FL6 - Satisfaction with life

0.681

< 0.001

0.466

0.820

FL6 - Happiness

0.524

0.001

0.250

0.721

BMI - Resilience

-0.165

0.316

-0.457

0.159

BMI - Mental well-being

-0.077

0.643

-0.383

0.245

BMI - Optimism

-0.013

0.939

-0.327

0.304

BMI - Satisfaction with life

-0.270

0.096

-0.540

0.050

BMI - Happiness

-0.218

0.183

-0.499

0.105

Resilience – Mental well-being

0.780

< 0.001

0.616

0.879

Resilience - Optimism

0.605

< 0.001

0.357

0.773

Resilience - Satisfaction with life

0.599

< 0.001

0.350

0.769

Resilience - Happiness

0.608

< 0.001

0.362

0.775

Mental well-being - Optimism

0.562

< 0.001

0.299

0.745

Mental well-being - Satisfaction with life

0.592

< 0.001

0.341

0.765

Mental well-being- Happiness

0.614

< 0.001

0.371

0.779

Optimism - Satisfaction with life

0.489

0.002

0.205

0.697

Optimism - Happiness

0.575

< 0.001

0.317

0.754

Satisfaction with life - Happiness

0.769

< 0.001

0.598

0.873