Please use this identifier to cite or link to this item: https://doi.org/10.1097/OPX.0b013e3181f6fb84
Title: Is the pediatric quality of life inventory valid for use in preschool children with refractive errors?
Authors: Lamoureux, E.L.
Marella, M.
Chang, B.
Dirani, M.
Kah-Guan, A.E.
Chia, A.
Young, T.L. 
Wong, T.Y.
Saw, S.M. 
Keywords: health-related quality of life
preschool children
Rasch analysis
refractive errors
Issue Date: Nov-2010
Citation: Lamoureux, E.L., Marella, M., Chang, B., Dirani, M., Kah-Guan, A.E., Chia, A., Young, T.L., Wong, T.Y., Saw, S.M. (2010-11). Is the pediatric quality of life inventory valid for use in preschool children with refractive errors?. Optometry and Vision Science 87 (11) : 813-822. ScholarBank@NUS Repository. https://doi.org/10.1097/OPX.0b013e3181f6fb84
Abstract: Purpose. To determine the psychometric validity of the pediatric quality of life inventory (PedsQL 4.0) in assessing the impact of refractive errors on health-related quality of life (HRQoL) in preschool children in Singapore. Methods. Parents of toddlers (aged 25 to 48 months) and young children (49 to 72 months) completed the PedsQL 4.0, an HRQoL scale as part of population-based trial in Singapore. The outcome measures were the overall score, and the ;physical;; ;emotional;; ;social;; and ;school; functioning subscales. Rasch analysis was used to validate the PedsQL 4.0. Results. Parents of 939 (48.9%) toddlers and 982 (51.1%) young children completed the PedsQL 4.0 survey. The overall mean (±standard deviation) spherical equivalence for the right eye was 0.47 ± 1.13 diopter (D) for toddlers and 0.74 ± 1.22 D for young children. One hundred forty-nine (15.9%) toddlers and 90 (9.2%) young children were considered myopic (0.50 D). Most participants (n = 1286, 89.6%) had presenting visual acuity 6/9 or better. Rasch analysis showed evidence of disordered category thresholds and poor person-item targeting for both groups. The separation reliability was 0.00 for toddlers and 0.03 for young children, indicating there was no variance in both samples. The PedsQL 4.0 overall and subscale scores displayed substantial multidimensionality as the variance values explained by the measures was
Source Title: Optometry and Vision Science
URI: http://scholarbank.nus.edu.sg/handle/10635/108444
ISSN: 10405488
DOI: 10.1097/OPX.0b013e3181f6fb84
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