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Construct validity and responsiveness of the Child Health Questionnaire in children with acute asthma

Marc H Gorelick1, Philip V Scribano, Molly W Stevens

  • 1Section of Emergency Medicine, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA. mgorelic@mcw.edu

Annals of Allergy, Asthma & Immunology : Official Publication of the American College of Allergy, Asthma, & Immunology
|July 4, 2003
PubMed

Insights

The Child Health Questionnaire (CHQ-PF28) shows moderate responsiveness in assessing functional status changes in children with acute asthma exacerbations, correlating with short-term outcomes.

Area of Science:

  • Pediatric Emergency Medicine
  • Respiratory Health
  • Health Outcomes Research

Background:

  • Acute asthma exacerbations significantly impact children's health and daily functioning.
  • Assessing functional status is crucial for managing pediatric asthma.
  • The Child Health Questionnaire (CHQ-PF28) is a tool used to evaluate child health.

Purpose of the Study:

  • To evaluate the validity and responsiveness of the Child Health Questionnaire (CHQ-PF28).
  • To assess the CHQ-PF28's utility in children experiencing acute asthma exacerbations.
  • To determine the questionnaire's ability to detect short-term changes in functional status.

Main Methods:

  • A prospective cohort study involving children aged 5+ treated for acute asthma in urban pediatric emergency departments.
  • The CHQ-PF28, with a modified 2-week recall period, was administered via telephone 14 days post-visit.
  • Poor 14-day outcome was defined by missed school/work, persistent asthma symptoms, or unscheduled care.

Main Results:

  • Out of 732 enrolled subjects, 622 had successful 14-day follow-up; 43% experienced a poor outcome.
  • Significant differences in CHQ-PF28 physical and psychosocial subscale scores were observed between good and poor outcome groups.
  • Moderate responsiveness was noted, with an effect size of 0.37 for the physical subscale.

Conclusions:

  • The CHQ-PF28 physical and psychosocial subscales correlate with poor short-term functional outcomes in pediatric asthma exacerbations.
  • The questionnaire demonstrates moderate responsiveness to acute changes in functional status.
  • The CHQ-PF28 can be a useful tool for assessing outcomes in pediatric asthma management.
Abstract

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