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. 2020 Apr 7;8(2):89. doi: 10.3390/healthcare8020089

Figure 2.

Figure 2

Confirmatory factor analysis models of the Athens Insomnia Scale (AIS) scores in Indian computer professionals. A: 1-Factor (Soltatos et al.; Gomex-Benito et al.), B: 2-Factor model (Chung et al.; Yen et al.), C: 2-Factor (Okajima et al.) and D: 3-Factor model (EFA finding in this study). All coefficients are standardized. Ovals latent variables, rectangles measured variables, circles error terms, single-headed arrows between ovals and rectangles factor loadings, single-headed arrows between circles and rectangles error terms.