J Am Med Inform Assoc - Reliability and validity of the American Hospital Association's national longitudinal survey of health information technology adoption.

Tópicos

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Resumo

JECTIVE: To evaluate the internal consistency, construct validity, and criterion validity of a battery of items measuring information technology (IT) adoption, included in the American Hospital Association (AHA) IT Supplement Survey.METHODS: We analyzed the 2012 release of the AHA IT Supplement Survey. We performed reliability analysis using Cronbach's a and part-whole correlations, construct validity analysis using principal component analysis (PCA), and criterion validity analysis by assessing the items' sensitivity and specificity of predicting attestation to Medicare Meaningful Use (MU).RESULTS: Twenty-eight items of the 31-item instrument and five of six functionality subcategories defined by the AHA all produced reliable scales (a's between 0.833 and 0.958). PCA mostly confirmed the AHA's categorization of functionalities; however, some items loaded only weakly onto the factor most associated with their survey category, and one category loaded onto two separate factors. The battery of items was a valid predictor of attestation to MU, producing a sensitivity of 0.82 and a specificity of 0.72.DISCUSSION: The battery of items performed well on most indices of reliability and validity. However, they lack some components of ideal survey design, leaving open the possibility that respondents are not responding independently to each item in the survey. Despite measuring only a portion of the objectives required for attestation to MU, the items are a moderately sensitive and specific predictor of attestation.CONCLUSIONS: The analyzed instrument exhibits satisfactory reliability and validity.

Resumo Limpo

jectiv evalu intern consist construct valid criterion valid batteri item measur inform technolog adopt includ american hospit associ aha supplement surveymethod analyz releas aha supplement survey perform reliabl analysi use cronbach partwhol correl construct valid analysi use princip compon analysi pca criterion valid analysi assess item sensit specif predict attest medicar meaning use muresult twentyeight item item instrument five six function subcategori defin aha produc reliabl scale pca most confirm aha categor function howev item load weak onto factor associ survey categori one categori load onto two separ factor batteri item valid predictor attest mu produc sensit specif discuss batteri item perform well indic reliabl valid howev lack compon ideal survey design leav open possibl respond respond independ item survey despit measur portion object requir attest mu item moder sensit specif predictor attestationconclus analyz instrument exhibit satisfactori reliabl valid

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