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Time-dependent variation in the responses to the web-based ISAAC questionnaire
Koichi Yoshida1, Yuichi Adachi2, Mari Sasaki1
1Division of Allergy, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan.
Summary
Seasonal timing impacts children's allergy symptom reporting in web-based surveys. Researchers found significant variations in rhinitis and asthma responses, highlighting the need to consider data collection periods for accurate prevalence data.
Area of Science:
- Pediatric Allergy and Immunology
- Epidemiology
- Digital Health Research
Background:
- Epidemiologic studies indicate seasonal influences on rhinitis symptom reporting.
- Understanding these variations is crucial for accurate health data collection.
Purpose of the Study:
- To assess the impact of data collection timing on responses to the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire.
- To evaluate seasonal variations in web-based survey responses for allergic conditions in children.
Main Methods:
- Utilized a web-based International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire for parents of children aged 6-12 years.
- Conducted monthly asthma symptom surveys and seasonal rhinitis/eczema symptom surveys over one year.
Main Results:
- Significant seasonal fluctuations observed in positive responses for wheezing (past 12 months) and rhinitis/allergic rhinoconjunctivitis (past 12 months).
- Pollinosis ever also showed significant seasonal variation (P < .001).
- No significant seasonal variations were found for asthma ever, exercise-induced wheezing, or eczema symptoms.
Conclusions:
- Time-dependent variations in web-based questionnaire responses for allergic symptoms are evident.
- The timing of data collection is a critical factor when assessing the prevalence of childhood asthma and rhinitis.
