期刊
CLINICAL AND TRANSLATIONAL ALLERGY
卷 12, 期 8, 页码 -出版社
WILEY
DOI: 10.1002/clt2.12188
关键词
allergic rhinitis; asthma; cohort; dietary fibre; sensitization
类别
资金
- Hjart-Lungfonden
- Horizon 2020 Framework Programme [RIA 965173]
- King Gustaf V 80th Birthday Foundation
- European Research Council [757919]
- Forskningsradet om Halsa, Arbetsliv och Valfard [2017-00526]
- Astma-och Allergiforbundet
- Insamlingsstiftelsen Canceroch Allergifonden
- Svenska Forskningsradet Formas [2016-01646]
- Region Stockholm
- Walter and Lennart Hesselman Foundation for Scientific Research
- Vetenskapsradet [2018-02524]
- Vinnova [2016-01646] Funding Source: Vinnova
- Swedish Research Council [2018-02524] Funding Source: Swedish Research Council
- Formas [2016-01646] Funding Source: Formas
This study investigated the association between fibre intake and asthma, allergic rhinitis, and IgE sensitization. The results showed that higher fibre intake in childhood may be inversely associated with allergic rhinitis and sensitization to specific allergens up to adulthood. However, avoiding food triggers in allergic rhinitis patients may contribute to these protective associations.
Background Dietary fibre may reduce the risk of allergy. Our aim was to investigate the association between fibre intake in childhood, asthma, allergic rhinitis and IgE sensitization up to adulthood. Methods The individual fibre intake of 2285 participants from the Swedish population-based birth cohort BAMSE was estimated between 98- and 107-item food frequency questionnaires at ages 8 and 16 years, respectively. At 8, 16 and 24 years, asthma and allergic rhinitis symptoms were assessed by questionnaires, and sensitization to common allergens by serum IgE. Longitudinal associations were analysed by generalized estimating equations, adjusting for potential confounders. Results An inverse overall association was indicated between fibre intake at 8 years and allergic rhinitis symptoms up to 24 years (OR per 5 g/d 0.86; 95% CI 0.77-0.96), particularly in combination with airborne (0.74; 0.62-0.89) and food (0.69; 0.54-0.88) allergen sensitization. Higher fibre intake was also associated with specific allergen sensitization, for example, birch (0.77; 0.67-0.88) and soy (0.68; 0.53-0.87). No association was observed with asthma. Regarding sources, fruit (0.79; 0.67-0.94) and other (potatoes, chips/popcorn, legumes, and nuts, 0.71; 0.50-0.99), but not cereal or vegetable fibre were associated with allergic rhinitis. In additional analyses, including long-term fibre intake at 8 and 16 years, excluding participants with food-related allergic symptoms to examine reverse causation, as well as adjusting for antioxidant intake, associations were attenuated and became non-significant. Conclusion Higher fibre intake in mid-childhood may be inversely associated with allergic rhinitis and sensitization to specific allergens up to adulthood. However, avoidance of food triggers of allergic symptoms in allergic rhinitis patients may contribute to the protective associations.
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