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. 2015 Jun 23;27(4):180–186. doi: 10.1016/j.sdentj.2014.11.016

Table 5.

Reliability of the different subscales of the Moroccan Arabic version of the PIDAQ.

Subscales (number of items) Reliability
Internal consistency Reproducibility
Cronbach α coefficient Intraclass correlation coefficient
Self-confidence (6) 0.87 0.63
Social impact (8) 0.84 0.85
Psychological impact (6) 0.81 0.78
Aesthetic concerns (3) 0.78 0.83