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Factor loadings from exploratory factor analysis measuring the underlying trait
| Variable | Factor 1 (underlying trait) |
|---|---|
| PCS | 0.7401 |
| PIPS | 0.8374 |
| PROMIS-PI | 0.8337 |
| PSEQ | −0.8587 |
PCS = Pain Catastrophizing Scale; PIPS = Psychological Inflexibility in Pain Scale; PROMIS-PI = Patient-Reported Outcomes Measurement Information System-Pain Interference; PSEQ = Pain Self-Efficacy Questionnaire.
