Table 4. Internal validity of the Portuguese version of the Wexner Scale (WS) (Cronbach αcoefficient) and intraclass correlation coefficients of the validation of the Fecal Incontinence Quality of Life (FIQL) questionnaire for Portuguese.

Variable (WS)	Cronbach α coefficient
Solid	0.799
Liquid	0.768
Gas	0.765
Use of protectors	0.896
Alteration of the lifestyle	0.865
Total score	0.932
Variables (FIQL)	Intraexaminer ICC	Interexaminer ICC
Lifestyle	0.934	0.944
Behavior	0.938	0.973
Depression	0.957	0.957
Embarrassment	0.929	0.969

Abbreviation: ICC, intraclass correlation coefficient.

Source: Fonseca et al (2016)8 and Yusuf et al (2004).9