Table 1.
Demographic data among subjects who completed and did not complete the cold‐pressor test
| Variablea | Did not complete cold‐pressor test (n = 46)b | Completed cold‐pressor test (n = 43)b | P valuec |
|---|---|---|---|
| Age, years | 27.54 (8.11) | 26.19 (5.49) | 0.361 |
| Female, n (%) | 33 (71.7) | 19 (44.2) | 0.016 |
| BMI, kg/m2 | 24.67 (5.60) | 25.82 (5.82) | 0.348 |
| Race, n (%) | 0.031 | ||
| Asian | 17 (37.0) | 6 (14.0) | |
| Hispanic | 6 (13.0) | 6 (14.0) | |
| Other | 6 (13.0) | 3 (7.0) | |
| White | 17 (37.0) | 28 (65.1) | |
| PCS score | 17.33 (9.73) | 10.19 (6.91) | < 0.001 |
| Rumination | 7.30 (4.05) | 4.47 (3.2) | < 0.001 |
| Magnification | 3.61 (2.58) | 2.16 (1.53) | 0.002 |
| Helplessness | 6.41 (4.34) | 3.56 (3.48) | 0.001 |
| FPQ‐III score | 78.91 (22.65) | 69.18 (17.93) | 0.028 |
| Pain threshold, seconds | 8.30 (6.86) | 9.88 (6.30) | 0.262 |
| Pain tolerance, seconds | 64.80 (45.47) | 180.00 (0.00) | < 0.001 |
BMI, body mass index; FPQ‐III, Fear of Pain Questionnaire‐III; PCS, Pain Catastrophizing Scale.
aValues are mean and SD unless otherwise noted. bSubjects who did not complete cold‐pressor test removed their hand before the 3‐minute mark. Subjects who completed the cold‐pressor test did not remove their hand before the 3‐minute maximum time. c P values are calculated using t‐tests and χ2 tests as appropriate.