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Table 2 Baseline sociodemographic and clinical characteristics of the study participants by treatment group

From: Cost-utility of cognitive behavioral therapy versus U.S. Food and Drug Administration recommended drugs and usual care in the treatment of patients with fibromyalgia: an economic evaluation alongside a 6-month randomized controlled trial

Sociodemographic variables CBT RPT TAU P
(n =57) (n =56) (n =55)
Gender, females, n (%) 54 (94.7%) 52 (92.9%) 53 (96.4%) 0.71
Mean age, years (±SD) 46.35 (6.71) 47.12 (6.25) 47.04 (6.53) 0.79
Marital status, n (%)     0.99
Married or in a relationship 40 (70.2%) 40 (71.4%) 37 (67.3%)  
Single 9 (15.8%) 9 (16.1%) 10 (18.2%)  
Separated or divorced 8 (14%) 7 (12.5%) 8 (14.5%)  
Widowed 0 (0%) 0 (0%) 0 (0%)  
Ethnic group, n (%)     1.00
European 57 (100%) 56 (100%) 55 (100%)  
Living arrangement, n (%)     0.99
Living alone 4 (7.0%) 4 (7.1%) 6 (10.9%)  
Living with spouse or partner 8 (14.0%) 9 (16.1%) 8 (14.5%)  
Living with offspring and/or spouse/partner 34 (59.6%) 30 (53.6%) 31 (56.4%)  
Living with other relatives 5 (8.8%) 7 (12.5%) 5 (9.1%)  
Other 6 (10.5%) 6 (10.7%) 5 (9.1%)  
Educational level, n (%)     0.81
Illiterate 0 (0%) 0 (0%) 0 (0%)  
Primary school 23 (40.4%) 23 (41.1%) 28 (50.9%)  
Secondary school 23 (40.4%) 22 (39.3%) 18 (32.7%)  
University 11 (19.3%) 11 (19.6%) 9 (16.4%)  
Employment status, n (%)     0.99
Unemployed 19 (29.8%) 15 (26.8%) 15 (27.3%)  
Paid employment 9 (15.8%) 11 (19.6%) 9 (16.4%)  
On sick leave from paid employment 13 (22.8%) 12 (21.4%) 14 (25.5%)  
Retired/pensioner 7 (12.3%) 6 (10.7%) 8 (14.5%)  
Permanent disability 11 (19.3%) 12 (21.4%) 9 (16.4%)  
Income     0.40
<MS (600€/month) 15 (26.3%) 15 (26.8%) 27 (49.1%)  
1 to 2 MS 24 (42.1%) 23 (41.1%) 20 (36.4%)  
>2 to 4 MS 18 (31.6%) 18 (32.1%) 8 (14.5%)  
>4 MS 0 (0) 0 (0) 0 (0)  
Clinical variables     
Mean years since FM diagnosis (±SD) 12.91 (7.15) 11.23 (3.85) 11.69 (4.02) 0.22
Preference for psychotherapy, n (%) 28 (49.1%) 26 (46.4%) 27 (49.1%) 0.95
Comorbid major depressive disorder, n (%) 27 (47.4%) 26 (46.4%) 30 (54.5%) 0.65
Sexual abuse, n (%) 4 (7.0%) 7 (12.5%) 11 (14.5%) 0.43
Currently engaged in litigation, n (%) 17 (29.8%) 12 (21.4%) 16 (29.1%) 0.54
  1. CBT, cognitive behavioral therapy; MS, minimum salary; RPT, recommended pharmacologic treatment; TAU, treatment as usual.