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Title: Validating sizing them up : a parent-proxy weight-related quality-of-life measure, with community-based children
Other Titles: Validación del Sizing Them Up para padres : una prueba de evaluación de la calidad de vida de niños en función del peso
Authors: Lin, YC
Strong, C
Tsai, MC
Lin, CY 
Fung, XCC 
Keywords: Child
Instrumental study
Weight-related quality of life
Issue Date: 2018
Publisher: Elsevier Doyma
Source: International journal of clinical and health psychology, 2018, v. 18, no. 1, p. 81-89 How to cite?
Journal: International journal of clinical and health psychology 
Abstract: Background/Objective: A weight-related Quality of Life (QoL) questionnaire elicits parents’ perceptions to understand the impacts of weight on children's QoL. Sizing Them Up, a parent-proxy of a weight-related instrument, is a proper measure for the purpose, but its psychometric properties have not been validated on a non-clinical child population. This study aimed to thoroughly examine the psychometric properties of the Sizing Them Up on a non-clinical child population. Methods: Children from Taiwan (Mage = 11; SD = 1.02; N = 236) filled out a weight-related QoL instrument (Sizing Me Up) while their parents completed Sizing Them Up and two generic QoL instruments. Confirmatory factor analysis (CFA), concurrent validity, and known-group validity were conducted. Results: CFA supported the factor structure of Sizing Them Up. The concurrent validity of the Sizing Them Up total score was satisfactory: r =.46 to.53 with other QoL instruments. Known-group validity was supported as obese children had significantly lower Sizing Them Up total score than did normal-weight and underweight children. Conclusions: We extended the use of Sizing Them Up from clinically obese children to a community-based sample of underweight as well as overweight children. Healthcare providers may use Sizing Them Up to measure the weight-related QoL for children.
ISSN: 1697-2600
DOI: 10.1016/j.ijchp.2017.10.001
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