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Table 3 Loading coordinates for Orthogonal EFA 3-D plot using Varimax Rotation for the PROMIS-29 instrument

From: Exploratory factor analysis of PROMIS-29 V1.0, PROMIS Global Health and the RAND SF-36 from chiropractic responders attending care in a practice-based research network

  Factor 1 Factor 2 Factor 3
Anxiety Q1 0.693   
Anxiety Q2 0.753   
Anxiety Q3 0.749   
Anxiety Q4 0.753   
Depression Q1 0.724   
Depression Q2 0.785   
Depression Q3 0.785   − 0.112
Depression Q4 0.765   
Fatigue Q1 0.525 0.273 − 0.283
Fatigue Q2 0.577 0.232 − 0.298
Fatigue Q3 0.552 0.279 − 0.268
Fatigue Q4 0.545 0.261 − 0.297
Pain Interference Q1   0.901 − 0.106
Pain Interference Q2 0.126 0.938 − 0.122
Pain Interference Q3 0.120 0.832  
Pain Interference Q4 0.117 0.929 − 0.156
Pain NRS 0.165 0.720 − 0.139
Physical Function Q1   − 0.622 0.271
Physical Function Q2   − 0.588 0.241
Physical Function Q3   − 0.593 0.213
Physical Function Q4   − 0.590 0.231
Sleep Disturbance Q1 0.281 0.263 − 0.259
Sleep Disturbance Q2 0.321 0.170 − 0.294
Sleep Disturbance Q3 0.266 0.258 − 0.135
Sleep Disturbance Q4 0.200 0.226  
Social Satisfaction Q1 − 0.223 − 0.246 0.799
Social Satisfaction Q2 − 0.192 − 0.287 0.817
Social Satisfaction Q3 − 0.195 − 0.291 0.860
Social Satisfaction Q4 − 0.210 − 0.323 0.830