Table 1.
List of observed variables comprising latent variables for measurement models
| Variable notaStion | Latent variable name | Observed variable | N | Mean | Min | Max |
|---|---|---|---|---|---|---|
| UNEASE | Psychological unease | Somatic symptoms scale | 1073 | 0.7 | 0.0 | 3.1 |
| Catastrophizing scale | 1079 | 1.5 | 0.0 | 6.0 | ||
| Positive affect score | 1082 | 80.3 | 35.0 | 118.0 | ||
| Negative affect score | 1082 | 58.6 | 30.0 | 111.0 | ||
| JAW | Jaw function | JFLS chewing limitation score | 1069 | 2.5 | 0.0 | 10.0 |
| JFLS opening limitation score | 1069 | 2.7 | 0.0 | 10.0 | ||
| JFLS expression limitation score | 1069 | 1.2 | 0.0 | 10.0 | ||
| EXP | Experimental pain sensitivity | Thermal tolerance (°Celsius) | 1013 | 45.4 | 33.5 | 51.5 |
| Pressure pain threshold Trapezius (kPa) | 1013 | 277.6 | 101.6 | 600.0 | ||
| Mechanical probe pain rating | 1047 | 12.0 | 0.0 | 94.8 | ||
| Mechanical temporal summation (change in pain rating) | 1047 | 13.3 | −13.7 | 85.0 | ||
| PRD | Pain-related disability | |||||
| CPI | Characteristic pain intensity | Current pain intensity | 1062 | 3.8 | 0.0 | 10.0 |
| Average pain intensity | 1062 | 5.4 | 0.0 | 10.0 | ||
| Worst pain intensity | 1062 | 7.5 | 0.0 | 10.0 | ||
| INTER | Pain interference | Interference in daily activities | 1062 | 2.5 | 0.0 | 10.0 |
| Interference in social activities | 1062 | 2.4 | 0.0 | 10.0 | ||
| Interference in work activities | 1063 | 2.2 | 0.0 | 10.0 | ||
| RES | Restriction | Days kept from activities (past 6 months) | 1054 | 17.5 | 0.0 | 180.0 |
| Days with reduced efficiency (past 6 months) | 1049 | 29.0 | 0.0 | 180.0 | ||
kPa=kilopascals; mm=millimeters