Prevalence and Characterization of Psychological Trauma in Patients with Fibromyalgia: A Cross-Sectional Study
Table 4
Linear regression results.
Variables
Obs
F and prob > F
R-squared and Adj R-squared
Linear regression equation
t and P > (t)
(95% Conf. Interval)
SWLS (Y) CTQ-T (X)
87
F (1, 85) = 8.27;
R 2 = 0.0887 Adj R2 = 0.0780
^Y = −0.069 × 15.25
t = −2.88;
−0.117
−0.021
SWLS (Y) CTQ-EA (X)
87
F (1, 85) = 6.30;
R 2 = 0.0690 Adj R2 = 0.0580
^Y = −0.198 × 14.18
t = −2.51;
−0.355
−0.411
SWLS (Y) CTQ-EN (X)
87
F (1, 86) = 12.94;
R 2 = 0.1321 Adj R2 = 0.1219
^Y = −0.283 × 15.40
t = −3.60;
−0.440
−0.126
SWLS (Y) CTQ-PN (X)
87
F (1, 85) = 6.10;
R 2 = 0.0669 Adj R2 = 0.0560
^Y = −0.410 × 14.87
t = −2.47;
−0.741
−0.080
HAD-D (Y) VAS (X)
88
F (1, 86) = 3.99;
R 2 = 0.0443 Adj R2 = 0.0332
^Y = 0.419 × 9.28
t = 2.00;
0.001
0.837
HAD-A (Y) AS (X)
88
F (1, 86) = 10.08;
R 2 = 0.1049 Adj R2 = 0.0945
^Y = 0.547 × 10.74
t = 3.18;
0.204
0.889
AIS (Y) VAS (X)
88
F (1, 86) = 19.18;
R 2 = 0.1823 Adj R2 = 0.1728
^Y = 0.952 × 7.87
t = 4.38;
0.520
1.385
DES-T (Y) VAS (X)
86
F (1, 86) = 4.31; p = 0.0410
R 2 = 0.0488 Adj R2 = 0.0375
^Y = 1.262 × 16.46
t = 2.08;
0.053
2.47
DES-D (Y) VAS (X)
86
F (1, 84) = 4.30;
R 2 = 0.0487 Adj R2 = 0.0374
^Y = 1.750 × 24.81
t = 2.07;
0.071
3.43
HAD-D (Y) PDI (X)
88
F (1, 86) = 31.14;
R 2 = 0.2658 Adj R2 = 0.2573
^Y = 0.197 × 2.94
t = 5.58;
0.127
0.267
HAD-A (Y) PDI (X)
88
F (1, 86) = 22.58;
R 2 = 0.2079 Adj R2 = 0.1987
^Y = 0.147 × 7.52
t = 4.75;
0.086
0.209
AIS (Y) PDI (X)
88
F (1, 86) = 8.94;
R 2 = 0.0941 Adj R2 = 0.0836
^Y = 0,131 × 8,07
t = 2.99;
0.044
0.218
SWLS (Y) PDI (X)
87
F (1, 85) = 8.69;
R 2 = 0.0927 Adj R2 = 0.0821
^Y = -0.122 × 17.44
t = −2.95;
−0.205
−0.039
DES-T (Y) PDI (X)
86
F (1, 84) = 10.50;
R 2 = 0.1111 Adj R2 = 0.1005
^Y = 0.361 × 8.10
t = 3.24;
0.139
0.582
DES-A (Y) PDI (X)
86
F (1, 85) = 6.27;
R 2 = 0.0695 Adj R2 = 0.0584
^Y = 0.2551 × -0.74
t = 2.50;
0.052
0.457
DES-DP (Y) PDI (X)
86
F (1, 85) = 6.29;
R 2 = 0.0697 Adj R2 = 0.0586
^Y = 0.3481 × 3.45
t = 2.501
0.072
0.624
DES-D (Y) PDI (X)
86
F (1, 85) = 7.56;
R 2 = 0.0826 Adj R2 = 0.0716
^Y = 0.4331 × 16.37
t = 2.75
0.119
0.744
HAD-D (Y) S-FIQ (X)
87
F (1, 85) = 12.39;
R 2 = 0.1272 Adj R2 = 0.1170
^Y = 0.1531 × 3.60
t = 3.52
0.066
0.240
HAD-A (Y) S-FIQ (X)
87
F (1, 85) = 27.16;
R 2 = 0.2422 Adj R2 = 0.2333
^Y = 0.1741 × 4.79
t = 5.21
0.107
0.240
AIS (Y) S-FIQ (X)
87
F (1, 85) = 7.69;
R 2 = 0.0830 Adj R2 = 0.722
^Y = 0.137 × 6.64
t = 2.77
0.038
0.235
SWLS (Y) S-FIQ (X)
86
F (1, 85) = 8.08;
R 2 = 0.0877 Adj R2 = 0.769
^Y = −0.136 × 19.24
t = −2.84
−0.231
−0.040
DES-T (Y) S-FIQ (X)
85
F (1, 83) = 11.83;
R 2 = 0.1247 Adj R2 = 0.114
^Y = 0.440 × 0.488
t = −3.44
0.185
0.695
DES-A (Y) S-FIQ (X)
85
F (1, 83) = 8.61;
R 2 = 0.0940 Adj R2 = 0.831
^Y = 0.342 × −7.860
t = 2.93
0.110
0.574
DES-D (Y) S-FIQ (X)
85
F (1, 83) = 5.08;
R 2 = 0.0577 Adj R2 = 0.046
^Y = 0.367 × −0.792
t = 2.25
0.043
0.691
DES-D (Y) S-FIQ (X)
85
F (1, 83) = 10.25;
R 2 = 0.1099 Adj R2 = 0.099
^Y = 0.575 × 4.56
t = 3.20
0.217
0.933
VAS (Y) CTQ-PN (X)
88
F (1, 86) = 4.12;
R 2 = 0.0457 Adj R2 = 0.0346
^Y = −0.161 × 7.78
t = -2.03
−0.003
9.058
Linear regression equation for predicting Y from X in two ways. CTQ-EA : CTQ Emotional Abuse; CTQ-EN : CTQ Emotional Neglect; CTQ-Physical Neglect; DES-T : DES Total; DES-D : DES Dissociation; DES-A : DES Amnesia; DES-D : DES Depersonalization; HADS-DP : Hospital Anxiety and Depression Scale-Depression; HADS-A : Hospital Anxiety and Depression Scale-Anxiety; VAS : Visual Analogue Scale for pain; AIS : Athens Insomnia Scale; PDI : Pain Disability Index; S-FIQ : Fibromyalgia Impact Questionnaire-Spanish validation; SWLS : Satisfaction With Life Scale.
