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J Asthma. 2018 May 1:1-9. doi: 10.1080/02770903.2018.1471701. [Epub ahead of print]

Evaluation of the PROMIS pediatric global health scale (PGH-7) in children with asthma.

Author information

1
a Department of Pediatrics , Perelman School of Medicine, University of Pennsylvania , Philadelphia , PA , USA.
2
b Division of General Pediatrics , Children's Hospital of Philadelphia , Philadelphia , PA , USA.
3
c Division of Emergency Medicine , Children's Hospital of Philadelphia , Philadelphia , PA , USA.

Abstract

OBJECTIVE:

To evaluate the reliability and validity of the PROMIS Pediatric Global Health scale, a 7-item measure of perceived physical, mental, and social health, in children with asthma.

METHODS:

From February 2014 to February 2015, convenience samples of 8-17 year-old children (n = 182) and parents of 5-17 year-old children (n = 328) visiting an emergency department for treatment of asthma were enrolled. The Asthma Control Test was used to characterize children as controlled versus not controlled, and the PROMIS Asthma Impact Scale was used to assess asthma symptoms' impact on functional status. We conducted longitudinal analyses among 92 children and 218 parents at 3 weeks, and 74 children and 171 parents at 8 weeks after enrollment.

RESULTS:

The PGH-7 reliability ranged from 0.66 to 0.81 for child-report and 0.76 to 0.82 for parent-proxy. In cross-sectional analyses, children with controlled asthma had PGH-7 scores 0.40-0.95 standard deviation units higher than those who were uncontrolled. The PGH-7 was responsive to changes in overall general health between time points, with moderate effect sizes (0.5-0.6 standard deviation units). In longitudinal analyses, PGH-7 scores were no different between those who stayed uncontrolled versus became controlled at 3 weeks of follow-up; however, by 8 weeks of follow-up, the differences between these groups were 0.7-0.8 standard deviation units, indicative of large effects.

CONCLUSIONS:

The PGH-7 is a reliable and valid patient-reported outcome for assessing general health among children with asthma. It is a useful complement to other asthma-specific outcome measures.

KEYWORDS:

Asthma; Child; Health status; PROMIS: PGH-7; Patient-reported outcome; Quality of life

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