Table 3 Exploratory factor analysis and factor loadings

Prone to daydreaming when I should have been concentrating on something or working

0.678

Have trouble staying alert or awake in boring situations

0.748

Easily confused

0.827

Easily bored

0.780

Spacey or “in a fog”

0.634

Lethargic, more tired than others

0.313

0.472

Underactive or have less energy than others

0.997

Slow moving

0.677

I don’t seem to process information as quickly or as accurately as others

0.267

0.399