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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Development and reliability of an instrument to measure psychosocial determinants of salt consumption among hypertensive patients

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Author(s):
Marília Estevam Cornélio [1] ; Maria Cecília Bueno Jayme Gallani [2] ; Gaston Godin [3] ; Roberta Cunha Matheus Rodrigues [4] ; Roberto Dela Rosa Mendes [5] ; Wilson Nadruz Junior [6]
Total Authors: 6
Affiliation:
[1] Universidade Estadual de Campinas. Faculdade de Ciências Médicas - Brasil
[2] Universidade Estadual de Campinas. Faculdade de Ciências Médicas - Brasil
[3] Université Laval - Canadá
[4] Universidade Estadual de Campinas. Faculdade de Ciências Médicas - Brasil
[5] Universidade Estadual de Campinas. Faculdade de Ciências Médicas - Brasil
[6] Universidade Estadual de Campinas. Faculdade de Ciências Médicas - Brasil
Total Affiliations: 6
Document type: Journal article
Source: Revista Latino-Americana de Enfermagem; v. 17, n. 5, p. 701-707, 2009-10-00.
Abstract

This study aimed to present the content validity and reliability analyses of an instrument to study the determinant factors of salt consumption among hypertensive subjects, based on an extension of the Theory of Planned Behavior. Content validity was assessed by 3 experts and a pre-test was carried out with 5 subjects. The final tool, comprising 3 different behaviors related to salt consumption and corresponding psychosocial variables, was applied to 32 subjects for internal consistency and temporal stability (15-day interval) analysis. Cronbach's alpha coefficients > 0.70 and significant intra-class correlation coefficients were observed for most variables, indicating the temporal stability of the measured concepts. The developed instrument exhibited evidence of both content validity and reliability. (AU)