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. 2018 Aug 1;7(8):194. doi: 10.3390/jcm7080194

Table 3.

Factor Analysis and Cronbach’s alpha for the 7DAS.

Scales n Items Factors Variance Explained Alpha KMO/Bartlett
Separation anxiety 7 1 49.72% 84 (KMO = 0.85; Bartlett < 0.001)
Affect dysregulation 7 1 45.85% 81 (KMO) = 0.87; Bartlett < 0.001)
Somatoform and psychological dissociation 7 1 42.06% 75 (KMO) = 0.83; Bartlett < 0.001)
Childhood traumatic experiences 7 1 52.13% 85 (KMO) = 0.86; Bartlett < 0.001)
Impulse Dyscontrol 7 1 39.62% 73 (KMO) = 0.83; Bartlett < 0.001)
Compulsive behavior and ritualization 7 1 42.17% 78 (KMO) = 0.85; Bartlett < 0.001
Obsessive thoughts 7 1 54.08% 87 (KMO) = 0.87; Bartlett < 0.001)