Table 2 Sample characteristics
Variables | Mean (SD) or percentage | Median (Q25, Q75) |
|---|---|---|
Age (years) | 47.28 (11.51) | 48 (39, 56) |
Marital status (married/unmarried) | 15/47 (yes: 31.91%) | --- |
Weight (kg) | 65.69 (11.59) | 65 (56.5, 75) |
Height (m) | 1.62 (0.17) | 1.6 (1.56, 1.64) |
Education (years) | 13.19 (4.20) | 13 (11, 16) |
Trait-anxiety | 23.89 (6.90) | 22.5 (19, 29) |
State-anxiety | 28.22 (7.80) | 26 (22, 34) |
Beck depression inventory | 15.02 (9.27) | 13.5 (9, 19) |
Brazilian Portuguese Catastrophizing Scale (B-PCS) | 29.36 (12.59) | 33 (20, 39) |
Pain lasting longer than one year (yes/no) | 40/48 (yes: 83.33%) | --- |
Total score on the Profile of Chronic Pain: Screen for Brazilian population (B-PCP:S) | 59.70 (15.75) | 62 (49, 71) |
Score on B-PCP:S domains | Â | Â |
 Intensity | 24.6 (3.3) | 25 (23, 27) |
 Interference in daily activity | 21.98 (9.35) | 24 (18, 30) |
 Emotional burden | 13.11 (6.24) | 13 (9, 18) |
Number of days analgesics were used per week in the last three months (< 4 times/≥ 4 times)a | 22/47 (< 4 times: 46.81%) | --- |
Smoking (yes/no) | 26/47 (yes: 55.32%) | --- |
Alcohol consumption (yes/no) | 26/47 (yes: 55.32%) | --- |
Presence of other chronic diseases before appearance of pain (yes/no)b | 21/47 (yes: 44.68%) | --- |
Diagnosis of psychiatric disorders (yes/no) | 18/47 (yes: 38.30%) | --- |
Active use of central nervous system medication (yes/no)c | 4/47 (yes: 8.51%) | --- |