Mickle AT, Ciaccio CE, Seetasith A, Johnston KM, Dunne JS, Kowal S, Bever A, Ko S, Garmo V, Gupta S, Lloyd A, Warren CM. US general population food allergy treatment preferences: a discrete choice experiment.
Curr Med Res Opin 2025;
41:269-279. [PMID:
39882592 DOI:
10.1080/03007995.2025.2459784]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2024] [Revised: 12/20/2024] [Accepted: 01/24/2025] [Indexed: 01/31/2025]
Abstract
OBJECTIVE
To quantify treatment preferences for food allergy management options (oral immunotherapy, biologic therapy, and allergen avoidance), overall and by sociodemographic strata.
METHODS
A US general population (≥13 years) discrete choice experiment (DCE) was conducted, including the Intolerance of Uncertainty-12 Scale and clinical/demographic questions. Conditional logistic regression analyses were conducted overall and by sociodemographic factors. DCE results were presented as odds ratios (ORs) with 95% confidence intervals (CIs).
RESULTS
Participants (n = 294) mean (standard deviation) age was 47 (19.7) years; 48.6% were male. A 1% reduction in risk of having an exposure resulting in a moderate-to-severe reaction was statistically significantly associated with treatment preference (OR: 1.10; CI:1.04-1.16; p < 0.01). Features significantly associated with reduced preference included: a 1% increase in risk of treatment-related, severe anaphylaxis (0.85; 0.74-0.97; p=0.02); a 1% increase in risk of gastrointestinal symptoms (0.99; 0.99-0.99; p < 0.01); daily treatment (vs. every 2-4 weeks; 0.81; 0.72-0.91; p < 0.01); in-clinic administration (vs. at-home; 0.76; 0.66-0.87; p < 0.01); subcutaneous administration (vs. oral; 0.69; 0.61-0.78; p < 0.01); three-hour post-treatment physical activity limitation (0.84; 0.77-0.93; p < 0.01); and one-year life expectancy reduction (0.87; 0.85-0.89; p < 0.01). Rural dwellers favoured at-home use and no activity limits; lower-income respondents preferred convenience (oral, less frequent, and at-home administration). Teens strongly preferred being bite-safe (vs. fully allergic; 2.75; 1.09-6.90; p = 0.03).
CONCLUSION
When making food allergy management decisions, US general population respondents had strong preferences for features related to safety and convenience; however, the magnitude of preferences varied by sociodemographic factors. These findings may be pertinent for population-level health decision makers.
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