Browsing by Author "Amaya Arias, Ana Carolina"

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    Confiability and sensibility of pedsql 4.0™ instrument (pediatric quality of life inventory) in Colombia
    (2014) Amaya Arias, Ana Carolina; Romero Vanegas, Sara; Bonilla Vargas, Kely; Eslava Schmalbach, Javier Hernando
    Introduction. The aim of this study was to adapt and to assess the reliability of the PedsQL 4.0™ instrument, for measuring pediatric health-related quality of life (HRQoL) in Colombian children. Method. Validation study of measurement instruments. the PedsQL 4.0™ was applied to 375 pairs comprises of children and adolescents between 5 and 17 years old and their parents-caregivers, as well as 125 parents-caregivers of children between 2 and 4 years old in five cities of Colombia (Bogota, Medellin, Cali, Barranquilla and Bucaramanga). Internal consistency, reproducibility and sensitivity to change of the scale were evaluated
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    Construct and criterion validity of the PedsQL 4.0™ instrument (pediatric quality of life inventory) in Colombia
    (2014) Amaya Arias, Ana Carolina; Alzate, Juan Pablo; Eslava Schmalbach, Javier Hernando
    This project aimed at determining the validity of the Pediatric Quality of Life Inventory 4.0 (PedsQL 4.0™) for the measurement of the health-related quality of life (HRQOL) in Colombian children. Method. Validation study of measurement instruments. the PedsQL4.0TM was applied by convenience sampling to 375 pairs comprises of children and adolescents between 5 and 17 years old and their parents-caregivers, as well as 125 parents-caregivers of children between 2 and 4 years old in five cities of Colombia (Bogota, Medellin, Cali, Barranquilla and Bucaramanga). Construct validity was assessed through the use of exploratory and confirmatory factor analysis, and criterion validity was assessed by correlations between the PedsQL 4.0™ and the KIDSCREEN-27.
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    Modelo de rasch en la validación del cuestionario de calidad de vida PedsQL 4.0™ en colombianos menores de edad
    (2014) Vélez, Claudia Marcela; Villada, Adriana; Amaya Arias, Ana Carolina; Eslava Schmalbach, Javier Hernando
    Introduction: The aim of this study was to validate the PedsQL 4.0™ in Colombian children and adolescents using the Rasch model. The Pediatric Quality of Life Inventory (PedsQL 4.0 ™) has demonstrated to be a measure not only reliable and sensitive to changes in health status, but also quick and easy to use. Method. Validation study of measurement instruments. the PedsQL4.0TM was applied by convenience sampling to 375 comprises of children and adolescents between 5 and 17 years old and 500 caregivers of children between 2 and 18 years old in five Colombian cities. The psychometric properties were analyzed according to the Rasch model, including adjustment, separation and differential item functioning (DIF). Results. the Rasch model provided adequate fits to data. The Social dimension, for both versions, had greater difficulty than the dimension of Physical health. Internal consistency for the items was observed, while for persons, the values of reliability and separation were below for a placement test. The DIF occurred in limited variables, especially when comparing cities. The characteristic curves for the items presented disordered thresholds. Conclusion. The items presented adequate internal consistency; analysis showed adequate person separation, however, disordered thresholds were found in the response categories. No DIF was presented by sex or disease, but it is remarkable that the DIF occurred among cities.