Testing an Extended Theoretical Framework to Explain Variance in Use of a Public Health Information System | Zendy

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Testing an Extended Theoretical Framework to Explain Variance in Use of a Public Health Information System

Author(s) -

Victoria Wangia

Publication year - 2012

Publication title -

online journal of public health informatics

Language(s) - English

Resource type - Journals

ISSN - 1947-2579

DOI - 10.5210/ojphi.v4i3.4238

Subject(s) - usability , variance (accounting) , context (archaeology) , health informatics , technology acceptance model , public health , health information technology , applied psychology , medicine , affect (linguistics) , psychology , computer science , nursing , health care , human–computer interaction , paleontology , accounting , communication , economics , business , biology , economic growth

This study examined determinants of using an immunization registry, explaining the variance in use. The technology acceptance model (TAM) was extended with contextual factors (contextualized TAM) to test hypotheses about immunization registry usage. Commitment to change, perceived usefulness, perceived ease of use, job-task changes, subjective norm, computer self-efficacy and system interface characteristics were hypothesized to affect usage.

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