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. 2014 Jan 14;12:7. doi: 10.1186/1477-7525-12-7

Table 5.

Multiple linear regressions of all 25 THI items on WHO-QoL Bref Domains and BDI (n = 1227)

THI No*
THI items
Physical health
Psychological health
Social relationships
Environment
BDI
    B p B p B p B p B p
 
(Constant)
17.79
0.00
17.02
0.00
16.33
0.00
16.93
0.00
1.47
0.02
1F
Because of your Tinnitus is it difficult for you to concentrate?
0.04
0.79
0.01
0.92
0.08
0.65
0.18
0.18
0.18
0.65
2F
Does the loudness of your Tinnitus make it difficult for you to hear people?
−0.08
0.43
0.07
0.42
0.06
0.62
0.03
0.72
−0.02
0.95
3E
Does your Tinnitus make you angry?
0.09
0.48
0.06
0.58
0.14
0.37
−0.05
0.69
−0.05
0.89
4F
Does your Tinnitus make you confused?
−0.42
0.00
−0.40
0.00
−0.38
0.02
−0.52
0.00
1.60
0.00
5C
Because of your Tinnitus are you desperate?
−0.22
0.12
−0.41
0.00
0.01
0.93
0.22
0.10
1.00
0.01
6E
Do you complain a great deal about your Tinnitus?
−0.08
0.44
0.18
0.07
0.34
0.02
−0.11
0.27
−0.41
0.17
7F
Because of your tinnitus do you have trouble falling asleep at night?
−0.73
0.00
−0.09
0.33
0.03
0.83
−0.19
0.03
0.89
0.00
8C
Do you feel as though you cannot escape from your Tinnitus?
0.07
0.59
−0.10
0.34
0.06
0.68
−0.10
0.36
0.26
0.44
9F
Does your Tinnitus interfere with your ability to enjoy social activities?
−0.18
0.14
0.04
0.72
−0.01
0.92
0.00
1.00
−0.03
0.93
10E
Because of your Tinnitus do you feel frustrated?
0.08
0.55
−0.04
0.78
−0.15
0.41
0.20
0.12
0.13
0.73
11C
Because of your Tinnitus do you feel that you have a terrible disease?
−0.06
0.61
0.16
0.12
0.00
0.99
−0.21
0.04
0.51
0.10
12F
Does your Tinnitus make it difficult to enjoy life?
0.23
0.09
−0.13
0.29
0.00
1.00
0.35
0.01
0.02
0.97
13F
Does your Tinnitus interfere with your job or household responsibilities?
−0.76
0.00
−0.42
0.00
−0.11
0.53
−0.53
0.00
1.54
0.00
14F
Because of your Tinnitus do you find that you are often irritable?
−0.09
0.46
−0.19
0.10
−0.09
0.55
0.04
0.70
0.35
0.31
15F
Because of your Tinnitus is it difficult for you to read?
−0.18
0.10
−0.21
0.03
−0.30
0.03
−0.03
0.78
0.27
0.37
16E
Does your Tinnitus make you upset?
−0.29
0.03
−0.25
0.04
−0.53
0.00
−0.78
0.00
0.89
0.02
17E
Do you feel that your Tinnitus has placed stress on your relationships with members of your family and friends?
0.09
0.49
0.06
0.60
−0.26
0.11
0.20
0.10
0.44
0.22
18F
Do you find it difficult to focus your attention away from your Tinnitus and on to other things?
−0.21
0.11
−0.21
0.09
0.05
0.76
0.02
0.88
0.05
0.88
19C
Do you feel that you have no control over your Tinnitus?
0.08
0.47
−0.02
0.83
−0.17
0.23
0.16
0.12
−0.29
0.36
20F
Because of your Tinnitus do you often feel tired?
−0.47
0.00
−0.15
0.13
0.11
0.43
−0.09
0.37
0.82
0.01
21E
Because of your Tinnitus do you feel depressed?
−0.24
0.10
−0.60
0.00
−0.70
0.00
−0.20
0.12
1.78
0.00
22E
Does your Tinnitus make you feel anxious?
−0.35
0.00
−0.28
0.01
−0.30
0.05
−0.23
0.04
0.64
0.05
23C
Do you feel you can no longer cope with your Tinnitus?
−0.13
0.32
−0.31
0.01
−0.11
0.53
−0.21
0.08
0.13
0.72
24F
Does your Tinnitus get worse when you are under stress?
−0.19
0.04
−0.06
0.43
−0.05
0.64
−0.04
0.66
0.31
0.20
25E
Does your Tinnitus make you feel insecure?
−0.08
0.47
−0.21
0.05
0.03
0.86
−0.16
0.14
1.00
0.00
  R2 (adjusted R2) 0.45 (0.44) 0.45 (0.44) 0.17 (0.15) 0.26 (0.25) 0.50 (0.49)

Each column represents a multiple linear regression model with one of the WHO-QoL Bref Domains or the BDI as the dependent variable and all 25 THI items as independent variables. *letters represent THI subscales; F: functional, E: emotional, C: catastrophic; R2 (adjusted R2), coefficient of determination (coefficient of determination adjusted for the number of exploratory items); B, regression coefficient, p, p-value; all significant items (p < 0.05) are printed in boldface.