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. 2017 Jul 4;15:135. doi: 10.1186/s12955-017-0707-8

Table 2.

Psychosocial factor structure

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

Extraction method: principal axis factoring

Rotation method: PROMAX with Kaiser normalization