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Table 2 Fit indices and model comparisons of the Adult Routines Inventory

From: Evaluating the latent structure of the non-social domain of autism in autistic adults

Model Description Fit indices
RMSEA CFI TLI χ2 (df) No. of free parameters
Evans et al. [12] two-factor model       
1 Two-factor CFA model (n = 833) 0.073 0.858 0.851 4712.245** (859) 216
EFA model       
2 Four-factor EFA model (n = 833) 0.056 0.907 0.891 4536.899** (1271) 214
3 Five-factor EFA model (n = 833) 0.050 0.926 0.910 3792.204** (1220) 265
ESEM model       
4 Five-factor ESEM (n = 833) including 44 items 0.047 0.956 0.943 2065.353** (736) 386
  1. Note RMSEA, root mean square error of approximation; CFI, comparative fit index; TLI, Tucker–Lewis index; χ2, Chi-square statistic; df, degrees of freedom
  2. ** p < 0.01