Table 1.
Summary statistics for personality and pain variables (mean, SD) by sex (N = 66).
| Females | Males | Total | P-value | |
|---|---|---|---|---|
| Age (yrs) | 30.1 (11.5) | 29.7 (11.4) | 29.9 (11.3) | 0.87 |
| Height (cm) * | 167.1 (6.9) | 180.0 (5.6) | 173.1 (8.6) | <0.001 |
| Weight (kg) * | 68.19 (12.2) | 77.8 (10.6) | 73.1 (12.3) | 0.001 |
| Neuroticism (0-24) | 9.5 (4.4) | 8.0 (5.0) | 8.8 (4.7) | 0.22 |
| Negative Affect (10-50) | 15.0 (3.0) | 15.8 (4.8) | 15.4 (4.0) | 0.43 |
| Trait Anxiety (20-80) | 33.3 (8.3) | 32.8 (8.9) | 33.0 (8.5) | 0.84 |
| Pre-Pain Catastrophizing (0-52) | 10.9 (7.6) | 14.1 (8.7) | 12.5 (8.3) | 0.12 |
| Post-Pain Catastrophizing (0-52) | 15.0 (9.8) | 16.0 (13.1) | 15.5 (11.5) | 0.72 |
| Fear of Pain (30-150) | 75.6 (16.6) | 73.7 (17.9) | 74.6 (17.1) | 0.66 |
| Anxiety Sensitivity (0-64) | 14.7 (7.1) | 14.8 (7.9) | 14.7 (7.4) | 0.96 |
| Somatosensory Amplification (10-50) | 25.4 (5.4) | 24.4 (5.6) | 24.9 (5.5) | 0.45 |
| Whiteley Index (14–70) | 19.9 (5.6) | 20.8 (5.6) | 20.4 (5.6) | 0.52 |
| Psychoticism (0-33) | 5.7 (3.18) | 6.6 (3.29) | 6.1 (3.24) | 0.29 |
| Extraversion (0-22) | 15.0 (5.41) | 14.3 (5.61) | 14.7 (5.48) | 0.63 |
| Positive Affect (10-50) | 35.8 (5.85) | 36.1 (5.48) | 36.0 (5.62) | 0.81 |
| CPT Pain Threshold (sec) | 15.8 (14.06) | 15.9 (10.67) | 15.9 (12.4) | 0.98 |
| CPT Tolerance (sec) (0-300)* | 101.9 (96.8) | 181.0 (112.7) | 141.4 (111.6) | 0.003 |
| Borg NRS (0-10) | 6.9 (1.9) | 7.0 (1.8) | 7.0 (1.8) | 0.87 |
| Peak eVAS (cm) (0-10) | 7.5 (2.2) | 7.4 (2.2) | 7.5 (2.3) | 0.56 |
| VAS (cm) (0-10) | 7.3 (1.8) | 7.3 (1.9) | 7.3 (1.8) | 0.94 |
| MPQ Total (0-45) | 10.6 (6.3) | 13.5 (7.0) | 12.1 (6.8) | 0.08 |
| PPI (0-5) | 3.0 (0.8) | 3.1 (0.9) | 3.1 (0.8) | 0.66 |
| PPT (%) | 111.4 (16.6) | 109.1 (17.5) | 110.2 (17.0) | 0.59 |
*
Significant difference between females and males with Bonferroni correction, p ≤ 0.002.
Note: NRS- 0-10 numeric rating scale; eVAS- electronic Visual Analog Scale; VAS- short-form McGill Pain Questionnaire (MPQ) Visual Analog Scale; MPQ total- MPQ total score; PPI- MPQ Present Pain Index; PPT- mean standardized PPT scores.