Evaluating Psychometric Properties of the Spanish-version of the Pediatric Functional Assessment of Chronic Illness Therapy-Perceived Cognitive Function (pedsFACIT-PCF)

Abstract

Purpose The pediatric Functional Assessment of Chronic Illness Therapy-Perceived Cognitive Function (pedsFACIT-PCF) is a 13-item short-form derived from the pediatric Perceived Cognitive Function item bank (pedsPCF), which was developed to measure children’s daily cognitive behaviors and was validated on the US general population and children with cancer. This study evaluated the psychometric properties of Spanish language pedsFACIT-PCF and the measurement equivalence between Spanish and English versions. Methods pedsFACIT-PCF items were translated into Spanish using a standard iterative methodology. A total of 1358 English- and 604 Spanish-speaking children aged 8–17 years who completed English and Spanish versions of pedsFACIT-PCF, respectively, were administered through an Internet survey company. Unidimensionality was evaluated using confirmatory factor analysis. Item responses were modeled using item response theory. The presence and impact of differential item functioning (DIF) were evaluated using ordinal logistic regression. Results Unidimensionality of the pedsFACIT-PCF was supported. One of the 13 items demonstrated statistically significant DIF by language; however, impacts of language DIF on both individual scores and at the test level were negligible. No Spanish items showed DIF with respect to age and gender. Conclusions The 13-item pedsFACIT-PCF demonstrated stable measurement properties on language, gender and age and can be used for future trials.

Pediatric Perceived Cognitive Functioning: Psychometric Properties and Normative Data of the Dutch Item Bank and Short Form

“…Another difference from previous findings is the scant statistical support for the three subdomains "memory retrieval," "attention/concentration," and "working memory" as described by . Although these domains were used in the first publications on the PedsPCF , they were not mentioned in more recent publications on the PedsPCF (Cella et al, 2016;Lai et al, 2017;Lai, Zelko, et al, 2014;Wong et al, 2015). Thus, our findings appear to be in line with the current application of the PedsPCF.…”

“…When computer-based assessment is not possible or feasible, short forms can be used, presenting a selection of items from the item bank. Previous (English and Spanish) short forms of the PedsPCF contained items that were most frequently selected based on CAT simulations (Lai et al, 2017;Lai, Wagner, et al, 2014;Wong et al, 2015). Since we deemed it important for the Dutch short form to cover all cognitive functions that are tapped by the PedsPCF item bank, we carefully selected items for the Dutch short form.…”

“…We analyzed DIF using the lordif package for R (Choi et al, 2016). We used an α level of 0.01, while a change in McFadden's pseudo-R 2 of ≥0.02 was seen as an indication for meaningful DIF (Wong et al, 2015).…”

“…In the United States, the PedsPCF is used as a computerized adaptive test (CAT) or as a short-form questionnaire containing a selection of items. Short forms are currently available in English (Cella et al, 2016;Lai et al, 2017) and Spanish (Wong et al, 2015). The PedsPCF parent-report item bank showed satisfactory psychometric properties in a US general population sample .…”

Validação do banco de itens Distúrbio do Sono e do banco de itens Distúrbio da Vigília do Patient-Reported Outcomes Measurement Information System (PROMIS®) para a população brasileira

“…Pois, apesar da presença de DIF em alguns itens, ele mostrou-se insignificante, já que os valores do pseudo R 2 de Nagelkerke foram inferiores a 0,13. Os métodos para detecção e mensuração do impacto do DIF são vários e, portanto, não há um consenso na literatura, já que cada um produz um resultado(WONG et al, 2015).Diante das robustas análises psicométricas efetuadas com base na Teoria Clássica dos Testes e na Teoria de Resposta ao Item e, a partir da calibração dos itens e estudo do Funcionamento Diferencial do Item (DIF), pode-se concluir que a versão para a língua portuguesa falada no Brasil do banco de itens Distúrbio do Sono e do banco de itens Distúrbio da Vigília apresenta adequadas propriedades psicométricas, e mostrou ser uma medida confiável, precisa e válida. Portanto, os bancos de itens Distúrbio do Sono e Distúrbio da Vigília poderão ser utilizados em pesquisas e estudos clínicos, assim como também em diagnósticos clínicos e tratamentos de doenças crônicas.Por gentileza, preencha o formulário a seguir para conhecermos o seu projeto.…”