Table 1.
OSPRO-YF Item Theoretical Factors Compared to Exploratory Factor Analysis Results
| OSPRO-YF Items* (Parent Questionnaire) | 17-item Theoretical Factor | 17-item Exploratory Factor Analysis Factor (Loading) | 10-item The retical Factor | 10-item Exploratory Factor Analysis Factor (Loading) |
|---|---|---|---|---|
| Item 1 (PHQ-9) | Negative Mood | (−0.457)** | Negative Mood | Negative Mood (0.568) |
| (0.471)** | ||||
| Item 2 (STAI) | Negative Mood | Positive Affect/Coping (0.571) | ||
| Item 3 (STAI) | Negative Mood | Negative Mood (0.594) | Negative Mood | Negative Mood (0.730) |
| Item 4 (STAXI) | Negative Mood | Negative Mood (0.783) | Negative Mood | Negative Mood (0.881) |
| Item 5 (STAXI) | Negative Mood | Negative Mood (0.817) | ||
| Item 6 (STAXI) | Negative Mood | Negative Mood (0.655) | ||
| Item 7 (TSK-11) | Fear-Avoidance | Catastrophizing (0.858) | Fear-Avoidance | Negative Coping (0.915) |
| Item 8 (PCS) | Fear-Avoidance | Catastrophizing (0.637) | Fear-Avoidance | Negative Coping (0.595) |
| Item 9 (FABQ-PA) | Fear-Avoidance | Fear-Avoidance (0.884) | ||
| Item 10 (FABQ-PA) | Fear-Avoidance | Fear-Avoidance (0.802) | Fear-Avoidance | Negative Coping (0.560) |
| Item 11 (FABQ-W) | Fear-Avoidance | Catastrophizing (0.634) | Fear-Avoidance | Negative Coping (0.606) |
| Item 12 (PASS-20) | Fear-Avoidance | Catastrophizing (0.728) | ||
| Item 13 (PSEQ) | Positive Affect/Coping | Positive Affect/Coping (0.782) | ||
| Item 14 (CPAQ) | Positive Affect/Coping | Positive Affect/Coping (0.696) | Positive Affect/Coping | Positive Affect/Coping (0.824) |
| Item 15 (CPAQ) | Positive Affect/Coping | Positive Affect/Coping (0.861) | Positive Affect/Coping | Positive Affect/Coping (0.805) |
| Item 16 (CPAQ) | Positive Affect/Coping | --- | ||
| Item 17 (SER) | Positive Affect/Coping | Positive Affect/Coping (0.756) | Positive Affect/Coping | Positive Affect/Coping (0.800) |
All item numbers correspond to OSPRO-YF 17-item version question numbers; grayed areas indicate items that are not part of the 10-item version
Cross-loaded item; not assigned to a factor
highest loading did not meet 0.4 threshold; not assigned to a factor
PHQ-9=Patient Health Questionnaire; STAI==State-Trait Anxiety Inventory; STAXI=State-Trait Anger Expression Inventory; TSK-11=Tampa Scale for Kinesiophobia; PCS=Pain Catastrophizing Scale; FABQ=Fear Avoidance Beliefs Questionnaire (PA=Physical Activity, W=Work); PASS-20=Pain Anxiety Symptom Scale; PSEQ=Pain Self Efficacy Questionnaire; CPAQ=Chronic Pain Acceptance Questionnaire; SER= Self-Efficacy for Rehabilitation.