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Table 14 Exploratory factor analysis

From: The GAIRS Checklist: a useful global assessment tool in patients with Rett syndrome

GAIRS skills

Components 1

Components 2

Spontaneous eye contact

.599

− .128

Eye contact on request

.655

− .150

Looking at objects

.705

− .025

Tracking objects and faces

.707

− .052

Functional gestures

.752

− .090

Cooperation with simple spoken requests

.631

.085

Sitting long enough to complete a task

.568

− .140

Object permanence

.637

.282

Be able to wait for their turn before starting an activity

.700

.266

Be able to communicate basic needs

.599

− .128

Selective attention

.669

.237

Types and intensity of stereotypes

.452

.123

Lateralization

.571

.123

Temporal orientation

.745

.269

Spatial orientation

.746

.340

Memory span

.700

.388

Logical sequences

.683

.318

Categorization

.706

.390

Object recognition

.638

.166

Color discrimination

.641

.335

Geometric form discrimination

.640

.406

Measure concepts

.612

.479

Spatial concepts

.679

.474

Human body discriminations

.715

.474

Time concepts

.727

.456

Cause-effect relationship

.732

.401

Expressing a basic need at a corporal level

.618

.177

Recognizing and expressing a basic need through pictures

.639

.291

Understanding the biunivocal relation between the corpora

.652

.337

Recognizing and expressing a basic need through word

.674

.386

Understanding the biunivocal relation of a basic need between a picture and the word

.577

.485

Verbal comprehension

.712

.257

Verbal production

.605

− .105

Identify emotions

.645

.454

Express emotions

.733

.059

Musculoskeletal alterations

.512

− .584

Hand–eye coordination during motor tasks

.594

− .490

Lateralization

.605

− .338

Reaching movement

.718

− .456

Touching ability

.697

− .434

Grasping ability

.730

− .380

Releasing movement

.729

− .262

Repositioning movement

.717

− .223

Bimanual coordination

.774

− .177

Ability to push and pull an object

.707

− .333

Grasping of pencil

.760

− .290

Drawing patterns

.682

− .274

Use of school tools

.789

.037

Standing

.685

− .317

Sitting

.672

− .410

Parachute reactions

.724

− .417

Rolling supine—on one side

.743

− .401

Rolling supine—prone

.764

− .336

Supine—to seated on the floor

.799

− .332

Seated on the floor—to standing

.799

− .361

Seated on a chair—to standing

.781

− .321

Standing—to seated on the floor

.785

− .336

Standing—to seated on a chair

.712

− .391

Walking

.726

− .318

Body spatial orientation in standing

.733

− .315

Stepping

.698

− .269

Running

.766

− .270

Climbing upstairs

.768

− .257

Descending stairs

.545

.096

Jumping

.705

− .007

Picking up an object from the ground (small ball)

.766

− .186

Playing with a ball

.685

− .475

Walking on a slope

.685

− .317

Eating

.804

− .130

Drinking

.816

− .129

Coughing or difficulty breathing during meal

.629

− .150

Type of textures he usually eats

.686

− .268

Washing

.714

− .145

Dressing

.677

− .134

Playing area

.600

− .235

Socialization area

.676

− .264

Advanced autonomy area

.610

− .236

Global words recognition

.564

.627

Syllables recognition

.473

.615

Recompleting words through syllables

.509

.599

Alphabetic symbols recognition

.540

.575

Recompleting words with alphabetic symbols

.557

.600

Recognition of words representing actions

.537

.576

Using words to communicate

.574

.644

Math pre-requisite concepts

.523

.563

Recognition of numbers

.588

.601

Biunivocal relation between number and quantity

.564

.627

  1. The first part of satured items which belong to the first factors has to be in bold, and the second part of the items which belong to the second factor has to be in bold