Table 2 Exploratory factor analysis and factor loadings

Fail to give close attention to details or make careless mistakes in my work or other activities

0.681

Difficulty sustaining my attention in tasks or fun activities

0.688

Don’t listen when spoken to directly

0.341

0.310

Don’t follow through on instructions and fail to finish work or chores

0.668

Have difficulty organizing tasks and activities

0.743

Avoid, dislike, or am reluctant to engage in tasks that require sustained mental effort

0.680

Lose things necessary for tasks or activities

0.523

Easily distracted by extraneous stimuli or irrelevant thoughts

0.580

Forgetful in daily activities

0.534

Fidget with hands or feet or squirm in seat

0.371

Leave my seat in classrooms or in other situations in which remaining seated is expected

0.797

Shift around excessively or feel restless or hemmed in

0.877

Have difficulty engaging in leisure activities quietly (feel uncomfortable, or am loud or noisy)

0.506

I am “onthego” oractasif “drivenbyamotor” (or I feel like I have to be busy or always doing something)

0.701

Talk excessively (in social situations)

0.713

Blurt out answers before questions have been completed, complete others’ sentences, or jump the gun

0.788

Have difficulty awaiting my turn

0.374

Interrupt or intrude on others (butt into conversations or activities without permission or take over what others are doing)

0.688