TMD groups
| |
Number of items
|
Cronbach's alpha
|
Range of α's if items deleted
|
Range of corrected item total correlations
|
---|
CPQ8-10
|
Total scale
|
25
|
0.93
|
(0.93-0.93)
|
(0.39-0.76)
|
n = 141
|
Subscales
| | | | |
|
Oral symptoms
|
5
|
0.68
|
(0.61-0.66)
|
(0.37-0.48)
|
|
Functional limitations
|
5
|
0.78
|
(0.70-0.75)
|
(0.51-0.67)
|
|
Emotional well-being
|
5
|
0.85
|
(0.81-0.83)
|
(0.60-0.71)
|
|
Social well-being
|
10
|
0.90
|
(0.88-0.90)
|
(0.52-0.77)
|
CPQ11-14
|
Total scale
|
37
|
0.94
|
(0.93-0.94)
|
(0.28-0.73)
|
n = 176
|
Subscales
| | | | |
|
Oral symptoms
|
6
|
0.69
|
(0.62-0.68)
|
(0.33-0.51)
|
|
Functional limitations
|
9
|
0.79
|
(0.76-0.78)
|
(0.40-0.57)
|
|
Emotional well-being
|
9
|
0.90
|
(0.88-0.89)
|
(0.59-0.76)
|
|
Social well-being
|
13
|
0.87
|
(0.85-0.87)
|
(0.28-0.67)
|
- TMD, temporomandibular disorder; CPQ, child perceptions questionnaire