Development and Validation of a New Tool to Assess Burden of Dietary Sodium Restriction in Patients with Chronic Heart Failure: The BIRD Questionnaire.

ABSTRACT: (1) Background: Burden scales are useful in estimating the impact of interventions from patients' perspectives. This is overlooked in sodium diet/heart failure (HF). The aim of this study is to develop and validate a specific tool to assess the burden associated with low-sodium diets in HF: the Burden scale In Restricted Diets (BIRD). (2) Methods: Based on the literature and reports from patients, 14 candidate items were identified for the following dietary-related domains: organization, pleasure, leisure, social life, vitality, and self-rated health. The validation study was conducted prospectively. The questionnaire was refined via item reduction according to inter-item correlations and exploratory factor analysis. Internal consistency was determined using Cronbach's alpha (Cα) and conve

SUBMITTER: Audureau E 

PROVIDER: S-EPMC6213449 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature