Construct validity and responsiveness of the Child Health Questionnaire in children with acute asthma. Ann Allergy Asthma Immunol 2003 Jun;90(6):622-8
Date
07/04/2003Pubmed ID
12839320DOI
10.1016/S1081-1206(10)61866-2Scopus ID
2-s2.0-0038177946 (requires institutional sign-in at Scopus site) 14 CitationsAbstract
OBJECTIVE: To examine the validity and responsiveness of the Child Health Questionnaire (CHQ-PF28) in the context of acute exacerbation of asthma in children.
DESIGN AND METHODS: This was a prospective cohort study of children age 5 years and older treated for acute asthma at two urban pediatric emergency departments (EDs). At 14 days after the visit, all patients were contacted by telephone and the CHQ-PF28 (modified to have a 2-week recall period) was administered. Poor 14-day outcome was defined as one or more of the following: child or parent missed at least 5 days of school/day care/work; child still having asthma symptoms above baseline at 14 days; or unscheduled care within 7 days after the ED visit.
RESULTS: A total of 732 subjects (median age, 9 years) were enrolled; 622 (85%) had successful follow-up at day 14. At the 14-day follow-up, 254 (43%) were classified as having a poor outcome. The mean physical subscale score of the CHQ-PF28 was 48.2 among those with a good outcome, vs 35.9 among the poor outcome group (difference = 12.3; 95% confidence interval, 10.2 to 14.3). For the psychosocial subscale the average difference between groups was 6.9 (95% confidence interval, 5.1 to 8.7). Among the 146 patients at one site who also had a CHQ score obtained at the initial visit, there was a significant improvement in mean physical subscale score among those with good, but not poor, outcome. However, the relative responsiveness was moderate, with an effect size of only 0.37.
CONCLUSIONS: Both the physical and psychosocial subscales of the CHQ-PF28 administered 14 days after an ED visit for acute exacerbation of asthma are correlated with poor short-term functional outcome, but scores are only moderately responsive to acute changes in functional status.
Author List
Gorelick MH, Scribano PV, Stevens MW, Schultz TRMESH terms used to index this publication - Major topics in bold
Acute DiseaseAdolescent
Asthma
Child
Child Welfare
Child, Preschool
Cohort Studies
Emergency Medical Services
Female
Follow-Up Studies
Health Status Indicators
Humans
Male
Observer Variation
Prospective Studies
Reproducibility of Results
Severity of Illness Index
Statistics as Topic
Surveys and Questionnaires
