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. 2021 Jan 28;21:227. doi: 10.1186/s12889-021-10299-6

Table 1.

Instruments reliability and model fit

Psychometric Attribute Instrument
CESDR-10 ZAS BOI
Number of items 10 20 19
Outfit Mean Square
Mean 0.99 1.02 1.00
Standard Error Measurement (SEM) 0.13 0.07 0.29
Separation 6.78 11.89 9.65
Reliability 0.98 0.99 0.99
Cronbach’s alpha 0.84 0.91 0.93
Uni-dimensionality
Raw variance 58.2% 46.1% 49.6%
Unexplained variance 1st contrast 2.04 2.47 3.23