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Assessment of psychometric properties of the Brazilian version of the oral anticoagulation knowledge test

Overview of attention for article published in Health and Quality of Life Outcomes, June 2016
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Title
Assessment of psychometric properties of the Brazilian version of the oral anticoagulation knowledge test
Published in
Health and Quality of Life Outcomes, June 2016
DOI 10.1186/s12955-016-0498-3
Pubmed ID
Authors

Marcus Fernando da Silva Praxedes, Mauro Henrique Nogueira Guimarães de Abreu, Saul Martins Paiva, Juliana Vaz de Melo Mambrini, Milena Soriano Marcolino, Maria Auxiliadora Parreiras Martins

Abstract

The aim of this study was to evaluate the psychometric properties of the Brazilian version of the Oral Anticoagulation Knowledge (OAK) Test. This study, conducted in an anticoagulation clinic, included 201 Brazilian participants aged over 18 years, who had been using warfarin for more than two months. The reliability of the instrument was evaluated by assessing internal consistency (Kuder-Richardson coefficient) and reproducibility (test-retest reliability). The validity was evaluated by hypothesizing that there would be a positive correlation of moderate to strong intensity between the correctness levels of the OAK Test and time within therapeutic range (TTR) values, which is a measure used to evaluate the quality of oral anticoagulation. The instrument exhibited good psychometric properties. The total a Kuder-Richardson coefficient value was 0.818 and intraclass correlation coefficient was 0.967. The validity revealed a strong positive correlation between the values of the level of knowledge, as measured by the OAK Test and the TTR values (rs = 0.780). The instrument proved to be a reliable and valid tool for evaluating the knowledge of Brazilian patients on oral anticoagulation therapy with warfarin. This instrument may be incorporated into the practice of health care for substantiating the structuring of educational activities to ensure the improvement of knowledge about the use of warfarin, thereby increasing the effectiveness and safety of treatment.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 38 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 38 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 5 13%
Student > Postgraduate 4 11%
Student > Ph. D. Student 4 11%
Student > Bachelor 4 11%
Researcher 2 5%
Other 7 18%
Unknown 12 32%
Readers by discipline Count As %
Nursing and Health Professions 9 24%
Medicine and Dentistry 6 16%
Pharmacology, Toxicology and Pharmaceutical Science 3 8%
Agricultural and Biological Sciences 2 5%
Social Sciences 2 5%
Other 2 5%
Unknown 14 37%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 27 June 2016.
All research outputs
#18,464,797
of 22,879,161 outputs
Outputs from Health and Quality of Life Outcomes
#1,671
of 2,160 outputs
Outputs of similar age
#267,641
of 352,727 outputs
Outputs of similar age from Health and Quality of Life Outcomes
#23
of 43 outputs
Altmetric has tracked 22,879,161 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
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We're also able to compare this research output to 43 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.