TAILIEUCHUNG - Health and Quality of Life Outcomes BioMed Central Research Open Access Testing the performance

Health and Quality of Life Outcomes BioMed Central Research Open Access Testing the performance of the ENRICHD Social Support Instrument in cardiac patients Joseph Vaglio Jr*1, Mark Conard1,2, Walker S Poston1,2, James O'Keefe1, C Keith Haddock1,2, John House1 and John A Spertus1,2 Address: 1Mid America Heart Institute at St Lukes Hospital, Kansas City, MO, USA and 2University of Missouri, Kansas City, MO, USA Email: Joseph Vaglio* - jvaglio@; Mark Conard - mwc13c@; Walker S Poston - PostonWa@; James O'Keefe - jhokeefe@; C Keith Haddock - HaddockC@; John House - j1house@; John A Spertus - spertusj@ * Corresponding author Published: 13 May 2004 Health and Quality of Life. | BioMed Central Health and Quality of Life Outcomes Research Open Access Testing the performance of the ENRICHD Social Support Instrument in cardiac patients Joseph Vaglio Jr 1 Mark Conard1 2 Walker S Poston1 2 James O Keefe1 C Keith Haddock1 2 John House1 and John A Spertus1 2 Address 1Mid America Heart Institute at St Lukes Hospital Kansas City MO USA and 2University of Missouri Kansas City MO USA Email Joseph Vaglio - jvaglio@ Mark Conard - mwc13c@ Walker S Poston - PostonWa@ James O Keefe - jhokeefe@ C Keith Haddock - HaddockC@ John House - j1house@ John A Spertus - spertusj@ Corresponding author Published 13 May 2004 Received 09 March 2004 Accepted I 3 May 2004 Health and Quality of Life Outcomes 2004 2 24 This article is available from http content 2 1 24 2004 Vaglio et al licensee BioMed Central Ltd. This is an Open Access article verbatim copying and redistribution of this article are permitted in all media for any purpose provided this notice is preserved along with the article s original URL. Abstract Background Previous investigations suggest an important role of social support in the outcomes of patients treated for ischemic heart disease. The ENRICHD Social Support Instrument ESSI is a 7-item self-report survey that assesses social support. Validity and reliability of the ESSI however has not been formally tested in patients undergoing percutaneous coronary intervention PCI . Methods The ESSI along with the Short Form-36 SF-36 was sequentially administered to a cohort of 271 patients undergoing PCI. The test-retest reliability was examined with an intra-class correlation coefficient by comparing scores among 174 patients who completed both instruments 5 and 6 months after their procedure. Internal reliability was assessed using Cronbach s alpha at the time of patients baseline procedure. The concurrent validity of the ESSI was assessed by comparing scores between depressed .

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