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Table 3 Model evaluation - overall fit measurement

From: Critical factors influencing physicians’ intention to use computerized clinical practice guidelines: an integrative model of activity theory and the technology acceptance model

Fit indices Recommended value Value
χ2 N/A 691.03
d.f N/A 263
χ2/d.f ≤3.0 2.63
Goodness-of-fit index (GFI) 0.9 0.81
Normalized fit index (NFI) 0.9 0.90
Non-normalized fit index (NNFI) 0.9 0.90
Incremental fit index (IFI) 0.9 0.90
Comparative fit index (CFI) 0.9 0.90
Root mean square error of approximation (RMSEA) ≤0.08 0.076