Table 4 Factor loadings and final communality for PCA

Anxiety^a

0.5663^a

-0.0493

-0.0037

0.737

Depression^a

0.5521^a

-0.0803

0.2039

0.800

Wellbeing^a

0.4020^a

-0.0068

-0.0115

0.380

Nausea

-0.1238

0.6315^a

0.2487

0.667

Loss of appetite

-0.0378

0.5316^a

-0.3538

0.653

Tiredness

0.2889

0.4173^a

-0.1642

0.650

SOB

0.0856

0.3591^a

0.2572

0.350

Drowsiness

0.0861

0.0618

0.7201^a

0.680

Pain

0.3131

0.0532

-0.3994

0.387

Percent (%) of variance

0.3027

0.1683

0.1183

-

Cronbach’s alpha

0.7473

0.5912

-

-