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Table 2 OIDP Item Loadings > 0.50 from Exploratory Factor Analysis followed by Varimax Rotation

From: Dimensional structure of the oral health-related quality of life in healthy Spanish workers

ITEMS Factor 1 Factor 2 Factor 3
Speaking 0.75   
Cleaning 0.65   
Occupational 0.80   
Social relations   0.83  
Smiling   0.83  
Eating 0.40   0.56
Sleeping-relaxing    0.83
Emotional state    0.69
Eigenvalues 2.9 1.3 1.1
Variance explained 22.9 20.9 20.4
Cumulative variance 22.9 43.9 64.3
Alpha 0.60 0.71 0.60
  1. Kaiser-Meyer-Olkin measure of sampling adequacy: 0.72
  2. Bartlett's test of sphericity: χ2, d.f; p-value = 454.04, 28; p < 0.001