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Table 2 Psychosocial factor structure

From: The development of a health-related quality-of-life instrument for young people with narcolepsy: NARQoL-21

 

Factor structure

Item titles

Emotional reaction

School / Concentration

Social confidence

Sadness

0.771

  

Feeling alone

0.717

  

Anger

0.621

  

Anxiety

0.602

  

Irritability

0.537

  

Ability to concentrate

 

0.708

 

Staying awake when watching TV

 

0.664

 

Alertness

 

0.615

 

Alertness in school

 

0.588

 

Ability to follow lessons

 

0.577

 

Staying awake on the bus

 

0.545

 

Feeling confident

  

0.607

Not giving up easily

  

0.573

Getting on with others

  

0.488

Feeling lazy

  

0.469

  1. Extraction method: principal axis factoring
  2. Rotation method: PROMAX with Kaiser normalization