Table 4.

Confirmatory Factor Analysis of the ASCQ-Me

Item	Standardised Regression Weighta
Pain
How often did you have pain so bad that you could not do anything for a whole day?	0.91
How often did you have pain so bad that you could not get out of bed?	0.88
How often did you have very severe pain?	0.91
How often did you have pain so bad that you had to stop what you were doing?	0.92
How often did you have pain so bad that it was hard to finish what you were doing?	0.95
Sleep
How often did you stay up most of the night because you could not fall asleep?	0.57
How often was it very easy for you to fall asleep?	< 0.40
How often did you have a lot of trouble falling asleep?	0.87
How often did you stay up all night because you could not fall asleep?	0.90
How often did you stay up half the night because you could not fall asleep?	0.94
Stiffness
How often were your joints very stiff when you woke up?	0.84
How often were your joints very stiff during the day?	0.80
How often were your joints so stiff during the day that you could not move?	0.87
How often did you wake up so stiff that you could not move?	0.90
How often did it take you a very long time to get out of bed because of stiffness?	0.90
Emotional Distress
How often did you did you feel completely hopeless because of your health?	0.90
How lonely did you feel because of your health problems?	0.90
How depressed were you about your health problems?	0.86
How much do you worry about getting sick?	0.76
How often were you very worried about needing to go to the hospital?	0.76
Social Functioning
How much did you rely on others to take care of you because of your health?	0.76
How often did your health slow you down?	0.93
How often did your health make it hard for you to do things?	0.93
How often did your health keep you from going out?	0.83
How much did your health make it hard for you to do things with your friends?	0.84

^aThe regression weight can be interpreted as the correlation between each item and its respective item bank