Table 1.

Available instruments of patients’ participation and adherence to cardiac rehabilitation.

Authors, (Year)	Methods	Focus	Cronbach’s alpha	The Studies’ Characteristics
Shanmugasegaram et al. (2012) [13]	The barriers’ scale to engage in cardiac rehabilitation and the scale of beliefs about cardiac rehabilitation.	Psychometric properties of barriers to the cardiac rehabilitation program scale (cardiac rehabilitation barriers scale).	Test-retest method with an interclass correlation coefficient 0.64.	No assessment of barriers to attendance to this program and its follow-up.
Ghisi et al. (2013a) [14]	The barriers’ scale-English version.	Barriers to the cardiac rehabilitation program in Brazil (cardiac rehabilitation barriers scale).	Cronbach’s alpha coefficient 0.85.	Significant differences in the sociodemographic and clinical characteristics, which affect barriers to cardiac rehabilitation.
Ghisi et al. (2013b) [15]	Review of literature.	Development and psychometric properties of the tool for the evaluation of the information required in cardiac rehabilitation (information needs in cardiac rehabilitation tool).	Cronbach’s alpha > 0.7.	Evaluation of patients’ needs during cardiac rehabilitation. No construct validity assessment.
Rosneck et al. (2014) [16]	Knowledge and management of cardiovascular diseases among patients in cardiac rehabilitation in step B.	Development and psychometric properties of knowledge about the disease and management tool and risk factors of cardiovascular diseases (cardiac knowledge assessment tool).	Cronbach’s alpha 0.85.	Applicable to patients in phase 2 of cardiac rehabilitation.