Table 4.

47 PROMIS pain interference items administered to the ACPA sample

Item	Item stem
PAININ1	How difficult was it for you to take in new information because of pain?
PAININ3	How much did pain interfere with your enjoyment of life?
PAININ4	How much did you worry about pain?
PAININ5	How much did pain interfere with your ability to participate in leisure activities?
PAININ6	How much did pain interfere with your close personal relationships?
PAININ8	How much did pain interfere with your ability to concentrate?
PAININ9	How much did pain interfere with your day to day activities?
PAININ10	How much did pain interfere with your enjoyment of recreational activities?
PAININ11	How often did you feel emotionally tense because of your pain?
PAININ12	How much did pain interfere with the things you usually do for fun?
PAININ13	How much did pain interfere with your family life?
PAININ14	How much did pain interfere with doing your tasks away from home (e.g., getting groceries and running errands)?
PAININ16	How often did pain make you feel depressed?
PAININ17	How much did pain interfere with your relationships with other people?
PAININ18	How much did pain interfere with your ability to work (include work at home)?
PAININ19	How much did pain make it difficult to fall asleep?
PAININ20	How much did pain feel like a burden to you?
PAININ22	How much did pain interfere with work around the home?
PAININ24	How often was pain distressing to you?
PAININ26	How often did pain keep you from socializing with others?
PAININ28	How often did you avoid trips that required sitting in a car/bus/train for more than two hours?
PAININ29	How often was your pain so severe you could think of nothing else?
PAININ30	How often did pain make it hard for you to walk more than 5 min at a time?
PAININ31	How much did pain interfere with your ability to participate in social activities?
PAININ32	How often did pain make you feel discouraged?
PAININ34	How much did pain interfere with your household chores?
PAININ35	How much did pain interfere with your ability to make trips from home that kept you gone for more than two hours?
PAININ36	How much did pain interfere with your enjoyment of social activities?
PAININ37	How often did pain make you feel anxious?
PAININ38	How often did you avoid social activities because it might make you hurt more?
PAININ39	How often did pain make simple tasks hard to complete?
PAININ40	How often did pain prevent you from walking more than 1 mile?
PAININ41	How often did you avoid trips that required sitting in a car/bus/train for more than 30 min?
PAININ42	How often did pain prevent you from standing for more than one hour?
PAININ43	How often did pain interfere with your ability to get a good night’s sleep?
PAININ44	How often did you avoid trips that required sitting in a car/bus/train for more than one hour?
PAININ46	How often did pain make it difficult for you to plan social activities?
PAININ47	How often did pain prevent you from standing for more than 30 min?
PAININ48	How much did pain interfere with your ability to do household chores?
PAININ49	How much did pain interfere with your ability to remember things?
PAININ50	How often did pain prevent you from sitting for more than 30 min?
PAININ51	How often did pain prevent you from sitting for more than 10 min?
PAININ52	How often was it hard to plan social activities because you didn’t know if you would be in pain?
PAININ53	How often did pain restrict your social life to your home?
PAININ54	How often did pain keep you from getting into a standing position?
PAININ55	How often did pain prevent you from sitting for more than one hour?
PAININ56	How irritable did you feel because of pain?

Item names are based on their numbers in the original candidate item bank; therefore, PAININ1 is the first PROMIS pain interference item. For PROMIS pain interference items, the time frame is in the past 7 days