Introduction
Materials and methods
Research participants
Translation and cross-cultural adaptation
Research instruments
Tinnitus handicap inventory (THI)
Tinnitus functional index (TFI)
Center for Epidemiologic Studies-Depression Scale (CES-D)
Satisfaction with life scale (SWLS)
Beck anxiety inventory (BAI)
Statistical analysis
Processing of missing data
Pearson’s correlations
Reliability analysis
Validity analysis
Results
Study participants
Scale | Average | Standard deviation |
---|---|---|
TFI | 33.14 | 22.75 |
Intrusive | 48.46 | 26.82 |
Sense of control | 38.66 | 23.91 |
Cognitive | 29.22 | 26.49 |
Sleep | 34.14 | 31.94 |
Auditory | 23.82 | 27.16 |
Relaxation | 36.68 | 30.17 |
Quality of life | 22.44 | 25.69 |
Emotional | 35.29 | 28.61 |
Scale | Severity | Patient n | Percent % |
---|---|---|---|
TFI | Not a problem | 68 | 33 |
A small problem | 44 | 21 | |
A moderate problem | 57 | 28 | |
A big problem | 28 | 14 | |
A very big problem | 9 | 4 |
Correlation and discriminant validity between the THI, TFI and other scales
CES-Dc | BAIc | SWLSc | |
---|---|---|---|
TFIb | 0.334a | 0.559a | −0.324a |
Reliability of the Chinese versions of the TFI
Scale | Cronbach’s α |
---|---|
TFI | 0.968 |
Intrusive | 0.849 |
Sense of control | 0.836 |
Cognitive | 0.937 |
Sleep | 0.945 |
Auditory | 0.942 |
Relaxation | 0.939 |
Quality of life | 0.919 |
Emotional | 0.919 |
Item | Corrected item-total correlation |
---|---|
I1 | 0.573 |
I2 | 0.729 |
I3 | 0.695 |
SC1 | 0.779 |
SC2 | 0.689 |
SC3 | 0.721 |
C1 | 0.837 |
C2 | 0.758 |
C3 | 0.756 |
SL1 | 0.673 |
SL2 | 0.728 |
SL3 | 0.670 |
A1 | 0.675 |
A2 | 0.687 |
A3 | 0.719 |
R1 | 0.742 |
R2 | 0.778 |
R3 | 0.748 |
Q1 | 0.792 |
Q2 | 0.806 |
Q3 | 0.770 |
Q4 | 0.768 |
E1 | 0.785 |
E2 | 0.812 |
E3 | 0.710 |
Validity of the Chinese TFI using exploratory factor analysis
Item | Factor | |||||
---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | |
A3 | 0.860 | |||||
A2 | 0.854 | |||||
A1 | 0.770 | |||||
Q1 | 0.680 | 0.422 | ||||
Q3 | 0.622 | 0.396 | ||||
Q4 | 0.549 | |||||
R3 | 0.771 | |||||
R1 | 0.757 | |||||
R2 | 0.750 | |||||
Q2 | 0.470 | 0.596 | ||||
SL2 | 0.857 | |||||
SL1 | 0.856 | |||||
SL3 | 0.764 | |||||
I3 | 0.722 | |||||
I1 | 0.722 | |||||
I2 | 0.597 | |||||
SC2 | 0.355 | 0.561 | ||||
SC3 | 0.543 | |||||
C2 | 0.746 | |||||
C3 | 0.367 | 0.711 | ||||
C1 | 0.352 | 0.623 | ||||
SC1 | 0.383 | 0.460 | ||||
E1 | 0.355 | 0.698 | ||||
E2 | 0.680 | |||||
E3 | 0.597 |
Item | Factor | |||||||
---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
A2 | 1.041 | |||||||
A3 | 1.017 | |||||||
A1 | 0.962 | |||||||
Q1 | 0.515 | |||||||
Q3 | 0.375 | |||||||
R1 | 1.038 | |||||||
R3 | 0.988 | |||||||
R2 | 0.961 | |||||||
Q2 | 0.489 | |||||||
SL3 | 0.985 | |||||||
SL1 | 0.981 | |||||||
SL2 | 0.911 | |||||||
C2 | 1.050 | |||||||
C3 | 1.047 | |||||||
C1 | 0.737 | |||||||
E1 | 0.915 | |||||||
E3 | 0.888 | 0.470 | ||||||
E2 | 0.833 | |||||||
I1 | 1.084 | |||||||
I3 | 0.861 | |||||||
SC2 | 0.677 | |||||||
SC3 | 0.352 | 0.544 | ||||||
I2 | 0.443 | |||||||
Q4 | 0.368 | 0.573 | ||||||
SC1 | 0.362 | 0.569 |