Table 4.
Demographics and discriminative validity of the PSQ-3 among the three subgroups (n = 229).
| Pain-Free Control Group (n = 42) |
Chronic Pain in a Single Body Area (n = 79) |
Multisite Pain (Two or More Chronic Pain Locations) (n = 108) |
p-Value One-Way ANOVA |
Comparison between Three Groups; Post Hoc LSD |
|
|---|---|---|---|---|---|
| Age (years) | 40.2 ± 10.6 | 44.5 ± 11.6 | 46.1 ± 12.0 | 0.02 * | b (0.005 *) |
| Male/female (n/n) | 13/29 | 31/48 | 23/85 | 0.03 * | c (0.008 *) |
| Height (cm) | 171.3 ± 8.2 | 172.6 ± 9.9 | 170.1 ± 9.2 | 0.18 | |
| Weight (kg) | 76.6 ± 15.9 | 76.1 ± 19.3 | 74.4 ± 15.4 | 0.71 | |
| BMI | 26.0 ± 4.8 | 25.2 ± 4.8 | 25.8 ± 4.9 | 0.66 | |
| PSQ-3-FI | 2.0 ± 3.6 | 6.2 ± 6.6 | 9.3 ± 7.4 | <0.001 * | a (0.01 *) b (<0.001 *) c (0.01 *) |
One-Way ANOVA post hoc comparison based on Fisher’s Least Significant Difference (LSD). Statistical significance, p < 0.05 *. Comparison between control group without pain and single body area pain (a), between the control group without pain and multisite pain (b), and between single body area pain and multisite pain (c). Body mass index (BMI).