Establishing the content validity of PROMIS Pediatric pain interference, fatigue, sleep disturbance, and sleep-related impairment measures in children with chronic kidney disease and Crohn’s disease

Journal of Patient-Reported Outcomes

Table 3 Pain Interference and Fatigue conceptual frameworks and number of children with Crohn’s disease for whom each facet was elicited^a

Facets	No. Children Reporting
Pain Interference (impact of pain)
Feelings of hurt	24
Standing	9
Walking	15
Running	12
Sleeping	7
Sports/exercise^b	20
Climbing stairs^b	0
Sitting^b	4
Sadness	9
Anger	15
Fun	4
Attention	20
Memory	1
Schoolwork	7
Thinking^b	11
School	14
Friendships	21
Family	20
General activities	17
Need for medicine	0
Fatigue (experiences and impact of fatigue)
Feelings of tiredness	30
Feelings of weakness	8
Sleeping	18
Sports/Exercise	19
Climbing stairs	0
Eating	5
Bathing/Showering	0
Energy^b	7
Fun	4
Attention	18
Memory	1
Schoolwork	15
Friendships	23
Family	5
General activities	16
Performing tasks	5

^aThe conceptual frameworks were based on the original item pool for the PROMIS measure. An ^b is used to denote that the facet was dropped from the item bank after psychometric evaluation of item and scale performance. Facets are listed with symptoms first, then impacts on physical, mental, social, and general functioning