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Open Access Publications from the University of California

Development and cultural adaptation of the Spanish version of the End Stage Renal Disease Adherence Questionnaire (SESRD-AQ).

  • Author(s): Kim, Youngmee
  • Evangelista, Lorraine S
  • et al.

We previously developed and validated the End-Stage Renal Disease Adherence Questionnaire (ESRD-AQ) to measure adherence behaviors (e.g., hemodialysis attendance, medication use, fluid restrictions, and diet) of patients on maintenance hemodialysis. To determine whether the ESRD-AQ can be used to measure adherence behaviors in non-English-speaking patients, we translated and adapted the ESRD-AQ into Spanish (SESRD-AQ) using forward and backward translation and cultural adaptation of the content. Validity and reliability were measured using item-level content validity indexes, intraclass correlation coefficients, and known-group analysis. All validity indices were within an acceptable range; strong test-retest stability existed across all items, with intraclass correlation coefficients ranging from 0.82 to 1.00. The developed SESRD-AQ is a valid assessment tool for use among Spanish-speaking patients on maintenance hemodialysis. This instrument refinement and validation process can be replicated with other maintenance hemodialysis population groups.

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