Table 1 Item usage and selection in the CAT for s-C-GPS (n = 580)

Pain

My current pain is

0–10

0.9

Pain

During the past week, the best my pain has been

0–10

0

Pain

During the past week, the worst my pain has been

0–10

0

Pain

During the past week, my average pain has been

0–10

1.4

Y

Pain

During the past 3 months, my average pain has been

0–10

0

During the past week, I have felt

Feelings

 Afraid

0–10

70.9

Y

Feelings

 Depressed

0–10

0.5

Feelings

 Tired

0–10

75.3

Y

Feelings

 Anxious

0–10

0

Feelings

 Stressed

0–10

4.3

During the past week,

Clinical outcomes

 I had trouble sleeping

0–10

0.5

Clinical outcomes

 I had trouble feeling comfortable

0–10

0.2

Clinical outcomes

 I was less independent

0–10

88.1

Y

Clinical outcomes

 I was unable to work (or perform normal tasks)

0–10

100

Y

Clinical outcomes

 I needed to take more medication

0–10

12.4

During the past week, I was not able to

Activities

 Go to the store

0–10

69.8

Y

Activities

 Do chores in my home

0–10

0

Activities

 Enjoy my friends and family

0–10

0

Activities

 Exercise (including walking)

0–10

0.2

Activities

 Participate in my favorite hobbies

0–10

0