Table 1.

Distribution of items by test administration form in a large-scale administration of PROMIS pediatric items

Item banks	Form 1	Form 2	Form 3	Form 4	Form asthma 1	Form asthma 2	Form legacy
PROMIS anger	10 items				4 itemsa
PROMIS anxiety	9 items	9 items			4 itemsa
PROMIS depression	10 items	11 items			4 itemsa
PROMIS fatigue	6 items	8 items	12 items	13 items	4 itemsa
PROMIS pain	6 items	7 items	7 items	7 items	3 itemsa
PROMIS physical function—mobility	6 items	7 items	10 items	9 items	4 itemsa
PROMIS physical function—upper extremity	6 items	8 items	12 items	12 items	4 itemsa
PROMIS social	12 items	14 items	24 items	24 items	8 itemsa
PROMIS asthma					34 items	34 itemsa
Legacy items	PedsQL Generic Core Scales—1 emotional, 2 physical, and 1 social itemsa	PedsQL Generic Core Scales—3 emotional, 1 physical and 1 social itemsa	PedsQL Generic Core Scales—1 physical and 1 social itema	PedsQL Generic Core Scales—2 social itemsa		PedsQL Asthma Module 28 items; DISABKIDS Asthma Module 14 items	PedsQL Generic Core Scales 23 items KIDSCREEN—52 52 items
Total items	69 items	69 items	67 items	67 items	69 items	76 items	75 items

^aDuplicated items from other forms