Table 3 The seven natural TAND clusters and their items

1. Scholastic

Reading, writing, spelling, mathematics

2. Neuropsychological

Memory, disorientation, attention deficits (behavioural and neuropsychological), visuo-spatial deficits, dual-task deficits, executive function deficits

3. Dysregulated behaviour

Aggressive outbursts, temper tantrums, self-injury

4. Overactive/impulsive

Overactivity, impulsivity, restlessness

5. Eat/sleep

Eating difficulties, sleep difficulties

6. Mood/anxiety

Anxiety, depressed mood, extreme shyness, mood swings

7. Autism spectrum disorder–like

Inflexibility, unusual language, delayed language, repetitive behaviours, poor eye contact, peer difficulties