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. 2026 Mar 2;14:77. doi: 10.1186/s40337-026-01561-6

Table 2.

Reliability and model fit indices of the subscales of the CASK

Subscale Number of items CFI TLI RMSEA SRMR ω
Bigger Picture 7 0.992 0.988 0.082 0.051 0.85
Self-Care 4 0.994 0.982 0.138 0.044 0.80
Biting-Your-Tongue 3 0.997 0.996 0.085 0.032 0.82
Insight and Acceptance 3 1.000 1.011 0.000 0.011 0.68
Emotional Intelligence 5 0.964 0.929 0.222 0.085 0.83
Frustration Tolerance 5 0.998 0.995 0.054 0.054 0.78

CFI Comparative Fit Index, TLI Tucker–Lewis Index, RMSEA Root Mean Square Error of Approximation, SRMR Standardized Root Mean Square Residual. Conventional cutoffs: CFI/TLI > 0.90 = acceptable, > 0.95 = good; RMSEA < 0.08 = acceptable, < 0.06 = good; SRMR < 0.08 = acceptable. Fit interpretation is based on these guidelines. ω = McDonald’s omega. Conventional cutoffs: ω > 0.70 = acceptable, > 0.80 = good