Table 3 Convergent validity discriminant validity and correlation analysis of variables.

From: Effect of symptom clusters on quality of life in patients with head and neck cancer treated with radiotherapy: a cross-sectional study

Construct

Item

Convergent validity

Discriminant validity

Correlation analysis

Std.

CR

AVE

SC

SS

SPB

QOL

SC

SS

SPB

QOL

SC

SCRO

0.500

0.835

0.572

0.756

   

1.000

   

SCNE

0.937

SCPS

0.873

SCGA

0.631

SS

SSFL

0.946

0.987

0.949

− 0.449

0.974

  

− 0.347***

1.000

  

SSIN

0.974

SSEM

0.984

SSSO

0.993

SPB

SPBCA

0.754

0.850

0.660

0.549

− 0.352

0.812

 

0.453***

− 0.364***

1.000

 

SPBEF

0.988

SPBTR

0.660

QOL

QOLPH

0.630

0.781

0.486

− 0.572

0.398

− 0.468

0.697

− 0.349***

0.358***

− 0.457***

1.000

QOLSO

0.505

QOLEM

0.952

QOLFU

0.620

  1. ***p < 0.001.
  2. SC, Symptom clusters; SCRO, Symptom clusters-ropharyngeal; SCNE, Symptom Clusters-Neurosensory; SCPS, Symptom Clusters-Psychologica; SCGA, Symptom Clusters-Gastrointestinal.
  3. SS, Social Support; SSFL, Social Support-Flexible; SSIN, Social Support-Emotional Information; SSEM, Social Support-Emotiona; SSSO, Social Support-Social Interaction Features.
  4. SPB, Self-Perceived Burden; SPBCA, Self-Perceived Burden-Care; SPBEF, Self-Perceived Burden-Economic /Family; SPBTR, Self-Perceived Burden-Treatment.
  5. QOL, Quality of Life; QOLPH, Quality of Life-Physica; QOLSO, Quality of Life-Social Family; QOLEM, Quality of Life-Emotiona; QOLFU: Quality of Life-Function.
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