Introduction:

Therapeutic adherence constitutesone of tema in problems of health interventions. One of the populations in which difficulties in adherence to treatment are evidence disburn patients.

Objective:

To determine the validity and reliability of two instruments for the evaluation of adherence to treatment and the irinfluential dimensions in hospitalized burn patients.

Methods:

From the quantitative approach, a cross-sectional study was conducted, in the period from January 2017 to December 2019. Adherence to treatment and influencing adherence to treat ment were established as research variables. Expert judgment wasused, the pilot test and finally the two question naireswere applied to 90 burn patients.

Results:

Both instruments proved to have content validity. The test-retestreliability of the instrument to evaluate therapeuticad herence was considerable and significant, whilethe internal consistency was acceptable. Reliability was very strong and consistency good in the instrument that evaluates the influencing dimensions in therapeutic adherence.

Conclusions:

The two instruments developed forthe evaluation of therapeutic adherence in hospitalized burn patients present content validity and reliability.

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