Table 6 Principal component analysis of the Norwegian QOLIBRI items

Concentrate

0.717

0.779

0.890

0.292

Express yourself

0.764

0.729

0.820

Remember

0.685

0.602

0.569

0.350

Plan and problem solve

0.736

0.678

0.739

Decisions

0.721

0.676

0.775

Find way

0.727

0.644

0.741

Speed of thinking

0.751

0.777

0.915

Energy

0.719

0.696

0.325

0.506

0.345

Control emotions

0.726

0.670

0.355

0.613

Motivation

0.769

0.753

0.758

Self-esteem/Achievements

0.608

0.700

0.968

Way you look

0.758

0.627

0.475

Self-perception

0.776

0.747

0.708

Own future

0.763

0.692

0.680

Independence

0.663

0.759

0.814

Get out and about

0.593

0.675

0.291

0.736

Domestic activities

0.737

0.648

0.311

0.478

Basic personal needs

0.614

0.518

0.541

Run personal finances

0.671

0.598

0.583

Participation work/education

0.730

0.642

0.620

Social and leisure activities

0.813

0.726

0.441

Affection towards others

0.666

0.636

0.456

0.300

Family members

0.604

0.594

0.404

0.487

Friends

0.722

0.691

0.268

0.452

Partner

0.534

0.756

0.991

Sex life

0.549

0.651

−0.354

0.841

Attitudes of others

0.632

0.579

0.619

Loneliness

0.614

0.658

0.748

Boredom

0.542

0.662

0.806

Anxiety

0.609

0.729

0.827

Depression

0.707

0.808

0.798

Anger/aggression

0.560

0.595

−0.283

0.696

Slow/clumsiness

0.490

0.648

0.751

−0.323

Other injuries

0.491

0.588

0.612

Pain

0.566

0.504

0.376

0.373

See/hear

0.479

0.567

0.264

−0.285

0.673

TBI effects

0.653

0.695

0.634