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Table 5 Examples of Original Items, Interview Comments, and Suggested Revisions

From: Individuals with knee impairments identify items in need of clarification in the Patient Reported Outcomes Measurement Information System (PROMIS®) pain interference and physical function item banks – a qualitative study

Original item

Interview comments

Suggested revision(s) to item

Does your health now limit you in doing vigorous activities, such as running, lifting heavy objects, participating in strenuous sports?

“I considered the first two activities (running and lifting heavy objects) more so than strenuous sports.”

Does your health now limit you in doing vigorous activities including running, lifting heavy objects and participating in strenuous sports?

“These activities are not equal.”

Does your health now limit you in doing vigorous activities?

Does your health now limit you in participating in sports that you would like to do?

Does your health now limit you in participating in active sports such as swimming, tennis, or basketball?

“Swimming is different than tennis or basketball. Tennis and basketball involve similar movements, but basketball is more strenuous.”

Does your health now limit you in activities like swimming, cycling, or golf?

Does your health now limit you in doing strenuous activities such as backpacking, skiing, playing tennis, bicycling or jogging?

“These activities are not too strenuous. Strenuous activities involve quick movements and long-term running (soccer, basketball). Skiing is the most difficult activity in this item.”

Does your health now limit you in activities like baseball, softball, or racquet sports?

Does your health now limit you in playing football, basketball, soccer, or other similar sports?

Does your health now limit you in climbing several flights of stairs?

“I always have to hold on going down the stairs. If my knees give out, it usually happens going down stairs.”

Does your health now limit you in going up several flights of stairs?

“The pressure associated with climbing stairs made it feel like popping or snapping was imminent.”

Does your health now limit you in going down several flights of stairs?

Are you able to squat and get up?

“I don’t do deep knee bends. I thought about sitting in a chair.”

Are you able to squat like a baseball catcher and get back up?

“I do mini-squats in PT, but not full range. This needs to be clearer.”

Are you able to perform full squats in the gym with resistance?

Are you able to squat all the way down and get back up?

Are you able to exercise for an hour?

Some subjects did not consider the impact that their injury had on their ability to exercise because they could still exercise with their upper extremity.

Are you able to exercise with your injured body part for an hour?

Does your health now limit you in walking about the house?

Subjects were not clear on the meaning of ‘about the house’ - considered inside and/or outside the home, and may have included stairs

Does your health now limit you in walking on the main floor of your house, not including stairs?