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Logo of aaciBioMed CentralBiomed Central Web Sitesearchsubmit a manuscriptregisterthis articleAllergy, Asthma, and Clinical Immunology : Official Journal of the Canadian Society of Allergy and Clinical Immunology
 
Allergy Asthma Clin Immunol. 2012; 8(Suppl 1): A9.
Published online Nov 2, 2012. doi:  10.1186/1710-1492-8-S1-A9
PMCID: PMC3487884
Outcome of diagnostic intervention predicts health-related quality of life scores among children with food allergy
Linda Kirste,corresponding author1 Tim K Takaro,1 Boris Kuzeljevic,2 Tiffany Wong,3 and Edmond S Chan3
1Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada, V5A 1S6
2Child and Family Research Institute, Vancouver, BC, Canada, V5Z 4H4
3Department of Pediatrics, Division of Allergy, University of British Columbia, Vancouver, BC, Canada, V6H 3V4
corresponding authorCorresponding author.
Linda Kirste: linda.kirste/at/gmail.com
Supplement
Canadian Society of Allergy and Clinical Immunology Annual Scientific Meeting 2012
Publication of this supplement was supported by the CSACI.
Conference
Canadian Society of Allergy and Clinical Immunology Annual Scientific Meeting 2012
11-14 October 2012
Calgary, Canada
Background
Access to diagnostic care, regardless of diagnostic outcome, may attenuate the negative impact of food allergy on health-related quality of life (HRQL). We sought to determine if improved HRQL can be demonstrated among children, 0-12 years, who receive diagnostic care for food allergy in an allergy clinic setting.
Methods
Parents attending clinic with their child completed the Food Allergy Quality of Life Questionnaire Parent Form before and after their visit. Parents with children on the clinic waitlist served as controls. HRQL scores were analyzed according to visit outcome: fewer or same number of food allergies. A sub-analysis of scores among children who underwent an oral food challenge (OFC) was conducted. The General Linear Model for Repeated Measures was used to compare changes in score over time between outcomes, and to test for interaction between score changes and outcomes.
Results
Mean pre-/post-visit scores were 1.93/1.68 for fewer (n = 64), 2.37/2.37 for same (n = 36), and 1.70/1.79 for controls (n = 59). Interaction between score change and visit outcome was significant (F 3.355, p = 0.037). Pre-/post-visit scores for OFC outcomes only were 2.24/2.03 for fewer (n = 35) and 2.03/2.53 for same (n = 10) number of food allergies. Interaction between score change and OFC outcome was significant (F 5.518, p = 0.023).
Conclusions
Improvement in HRQL associated with food allergy diagnostic care appears to be dependent on visit outcome. Diagnosis of fewer food allergies predicted improvement in HRQL scores among children; this improvement may be most pronounced among those who receive oral food challenges.
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