title: Psychometric Validation of the Self-Efficacy for Restricting Dietary Salt in Hemodialysis Scale.
abstract: The development and progression of left ventricular hypertrophy is a consequence of multiple comorbid conditions associated with end-stage renal disease and large variations in interdialytic weight gains. The literature suggests that dietary sodium restriction alone significantly reduces interdialytic weight gains. A total of 124 hemodialysis participants in an ongoing randomized control trial participated in the validation in which psychometric properties of a self-efficacy survey were a secondary analysis. We evaluated the internal consistency, construct validity, and convergent validity of the instrument. The overall Cronbach α was 0.93. Three factors extracted explain 67.8% of the variance of the white and African American participants. The Self-Efficacy Survey has adequate internal consistency and construct and convergent validity. Future research is needed to evaluate the stability and discriminant validity of the instrument.
authors.affiliation: University of Pennsylvania School of Nursing, Philadelphia, Pennsylvania (Dr Clark-Cutaia); School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Ren); Nursing, Clinical & Translational Science, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Hoffman); Preventative Nutrition Education, Department of Epidemiology, The University of Iowa, Iowa City, Iowa (Dr Snetselaar); and VA Pittsburgh Healthcare System, US Department of Veterans Affairs, Washington, District of Columbia, and Public Health, Clinical & Translational Science, Center for Research on Health Care, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Sevick).
authors.forename: Maya N
authors.initials: MN
authors.lastname: Clark-Cutaia
authors.affiliation: University of Pennsylvania School of Nursing, Philadelphia, Pennsylvania (Dr Clark-Cutaia); School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Ren); Nursing, Clinical & Translational Science, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Hoffman); Preventative Nutrition Education, Department of Epidemiology, The University of Iowa, Iowa City, Iowa (Dr Snetselaar); and VA Pittsburgh Healthcare System, US Department of Veterans Affairs, Washington, District of Columbia, and Public Health, Clinical & Translational Science, Center for Research on Health Care, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Sevick).
authors.forename: Dianxu
authors.initials: D
authors.lastname: Ren
authors.affiliation: University of Pennsylvania School of Nursing, Philadelphia, Pennsylvania (Dr Clark-Cutaia); School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Ren); Nursing, Clinical & Translational Science, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Hoffman); Preventative Nutrition Education, Department of Epidemiology, The University of Iowa, Iowa City, Iowa (Dr Snetselaar); and VA Pittsburgh Healthcare System, US Department of Veterans Affairs, Washington, District of Columbia, and Public Health, Clinical & Translational Science, Center for Research on Health Care, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Sevick).
authors.forename: Leslie A
authors.initials: LA
authors.lastname: Hoffman
authors.affiliation: University of Pennsylvania School of Nursing, Philadelphia, Pennsylvania (Dr Clark-Cutaia); School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Ren); Nursing, Clinical & Translational Science, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Hoffman); Preventative Nutrition Education, Department of Epidemiology, The University of Iowa, Iowa City, Iowa (Dr Snetselaar); and VA Pittsburgh Healthcare System, US Department of Veterans Affairs, Washington, District of Columbia, and Public Health, Clinical & Translational Science, Center for Research on Health Care, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Sevick).
authors.forename: Linda
authors.initials: L
authors.lastname: Snetselaar
authors.affiliation: University of Pennsylvania School of Nursing, Philadelphia, Pennsylvania (Dr Clark-Cutaia); School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Ren); Nursing, Clinical & Translational Science, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Hoffman); Preventative Nutrition Education, Department of Epidemiology, The University of Iowa, Iowa City, Iowa (Dr Snetselaar); and VA Pittsburgh Healthcare System, US Department of Veterans Affairs, Washington, District of Columbia, and Public Health, Clinical & Translational Science, Center for Research on Health Care, University of Pittsburgh, Pittsburgh, Pennsylvania (Dr Sevick).
authors.forename: Mary Ann
authors.initials: MA
authors.lastname: Sevick
keywords: consistency; construct validity; convergent validity; dietary sodium intake; fluid restriction; hemodialysis; psychometrics