Table 3 Standardized factor loadings of specific factors derived from the General Specific model

Physical Ability

Household chores

0.533

0.524

0.624

0.561

0.500

0.477

Up and downstairs

0.557

0.532

0.483

0.414

0.399

0.378

Walkabout/walkout

0.622

0.627

0.562

0.459

0.366

0.343

Difficulty going out

0.622

0.581

Wash and/or dress

0.635

0.627

0.641/0.632

0.577/0.602

0.657/0.604

0.605/0.540

Status activity level

0.217

0.263

0.470

0.411

0.746

0.274

Arthritis

0.372

0.356

0.106

0.043

0.176

0.115

Falls

0.104

0.097

0.179

0.138

0.387

0.183

Visual Impairment

Eye sight trouble

0.792

0.792

0.488

0.467

0.470

0.448

Cataract

0.678

0.706

0.612

0.636

0.649

0.626

Glaucoma

0.668

0.673

0.523

0.515

0.566

0.567

Cardiac symptoms/disease

Angina

0.619

0.602

Ever had chest pain

0.674

0.674

0.835

0.829

0.838

0.866

Chest discomfort

0.411

0.387

0.466

0.476

0.344

0.393

Myocardial Infarction

0.885

0.797

0.68

0.702

0.737

0.733

Respiratory symptoms/disease

Asthma

0.659

0.650

0.607

0.601

0.480

0.501

Bronchitis/emphysema

0.653

0.674

0.471

0.478

0.440

0.497

Short of breath on level walking

0.245

0.236

0.317

0.372

0.304

0.354

Increased cough/phlegm

0.582

0.546

0.491

0.533

0.550

0.546

Morning phlegm

0.621

0.596

0.509

0.538

0.540

0.525

Psychological problems

Depression

0.583

0.524

0.156

0.228

0.365

0.335

Anxious or depressed/sad

0.773

0.8

2.174

1.501

0.721

0.792

Memory problems

0.208

0.207

0.107

0.174

0.367

0.346

Physiological markers

Hypertensive (baseline>140/90)

0.754

0.258

1.853

0.084

1.282

1.063

Waist Hip Ratio (>/<0.85)

0.147

0.540

0.018

0.338

0.089

0.086

BMI (high)

0.149

0.464

0.045

0.722

0.039

0.068

Postural hypotension

0.339

0.111

0.120

-0.040

0.181

0.222

Sinus tachycardia

0.319

0.235

0.008

-0.060

0.058

0.016

Other co-morbidities

Diabetes

0.353

0.382

0.305

0.267

0.253

0.188

Hypertension

0.567

0.467

0.542

0.647

0.507

0.591

Stroke

0.576

0.490

0.380

0.318

0.386

0.340

Stomach/peptic ulcers

-0.090

-0.077

-0.111

-0.073

-0.154

-0.092

Thyroid disease

-0.077

0.095

0.045

0.042

0.036

-0.059

Cancer

-0.144

-0.062

-0.011

0.009

-0.018

-0.005

Hearing trouble

-0.075

-0.208

-0.130

-0.095

-0.012

-0.044