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Qual Life Res. 2018 Jan;27(1):217-234. doi: 10.1007/s11136-017-1681-7. Epub 2017 Aug 21.

Development and psychometric evaluation of the PROMIS Pediatric Life Satisfaction item banks, child-report, and parent-proxy editions.

Author information

1
Applied Clinical Research Center, Children's Hospital of Philadelphia, 2716 South St., Philadelphia, PA, 19146, USA. forrestc@email.chop.edu.
2
Department of Pediatrics, School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. forrestc@email.chop.edu.
3
Department of Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
4
Department of Occupational Therapy, College of Public Health, Temple University, Philadelphia, PA, USA.
5
Applied Clinical Research Center, Children's Hospital of Philadelphia, 2716 South St., Philadelphia, PA, 19146, USA.
6
Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
7
Department of Physical Therapy, College of Public Health, Temple University, Philadelphia, PA, USA.

Abstract

PURPOSE:

To describe the psychometric evaluation and item response theory calibration of the PROMIS Pediatric Life Satisfaction item banks, child-report, and parent-proxy editions.

METHODS:

A pool of 55 life satisfaction items was administered to 1992 children 8-17 years old and 964 parents of children 5-17 years old. Analyses included descriptive statistics, reliability, factor analysis, differential item functioning, and assessment of construct validity. Thirteen items were deleted because of poor psychometric performance. An 8-item short form was administered to a national sample of 996 children 8-17 years old, and 1294 parents of children 5-17 years old. The combined sample (2988 children and 2258 parents) was used in item response theory (IRT) calibration analyses.

RESULTS:

The final item banks were unidimensional, the items were locally independent, and the items were free from impactful differential item functioning. The 8-item and 4-item short form scales showed excellent reliability, convergent validity, and discriminant validity. Life satisfaction decreased with declining socio-economic status, presence of a special health care need, and increasing age for girls, but not boys. After IRT calibration, we found that 4- and 8-item short forms had a high degree of precision (reliability) across a wide range (>4 SD units) of the latent variable.

CONCLUSIONS:

The PROMIS Pediatric Life Satisfaction item banks and their short forms provide efficient, precise, and valid assessments of life satisfaction in children and youth.

KEYWORDS:

Child; Evaluative well-being; Life satisfaction; PROMIS; Subjective well-being

PMID:
28828568
PMCID:
PMC5771844
DOI:
10.1007/s11136-017-1681-7
[Indexed for MEDLINE]
Free PMC Article

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