Long-term dietary fiber intake and risk of chronic obstructive pulmonary disease: a prospective cohort study of women.

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  • Additional Information
    • Affiliation:
      Department of Human Nutrition, Warsaw University of Life Sciences-SGGW, 159C Nowoursynowska Str., 02-776, Warsaw, Poland
      Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, 171-77, Stockholm, Sweden
      Program in Epidemiology, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
      Department of Epidemiology, University of Washington, Seattle, WA, USA
      Unit for Lung and Airway Research, Institute of Environmental Medicine, Karolinska Institutet, 171-77, Stockholm, Sweden
      Department of Respiratory Medicine and Allergy, New Karolinska Solna, Karolinska University Hospital, 171-77, Stockholm, Sweden
      Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
    • Subject Terms:
    • Subject Terms:
    • Abstract:
      Purpose: Until now, only two prospective cohort studies have investigated dietary fiber intake in relation to risk of chronic obstructive pulmonary disease (COPD), but neither examined long-term fiber intake. Both studies reported that total fiber intake was associated with decreased COPD risk; however, results for specific fiber sources were inconsistent. Thus, we prospectively evaluated the association between baseline and long-term intake of dietary fiber and COPD risk in a population-based prospective cohort of 35,339 Swedish women. Methods: Dietary fiber intake was assessed in 1987 and 1997 with a food frequency questionnaire. Cox proportional hazard regression models were used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). Results: During follow-up (2002–2014), 1557 COPD cases were identified via linkage to the Swedish National Patient Register. Long-term high dietary fiber intake (≥ 26.5 vs. < 17.6 g/day) was associated with a 30% (95% CI 17–41%) lower risk of COPD. For specific fiber sources, cereal (≥ 16.3 vs. < 9.4 g/day; HR 0.67, 95% CI 0.55–0.81) and fruit fiber (≥ 7.6 vs. < 2.6 g/day; HR 0.65, 95% CI 0.5–0.81), but not vegetable fiber intake (≥ 5.4 vs. < 2.2 g/day; HR 1.03, 95% CI 0.81–1.28) were associated with lower COPD risk. Current and ex-smokers with low long-term total fiber intake (< 17.6 g/day) compared to never smokers with high intake (≥ 26.5 g/day) had a 33-fold (95% CI 23.6–46.6) and tenfold (95% CI 7.0–16.3), respectively, higher risk of COPD. Conclusions: Our findings indicate that high fiber intake is a modifiable lifestyle factor which may decrease COPD risk primarily in current and ex-smokers.
    • Journal Subset:
      Biomedical; Continental Europe; Editorial Board Reviewed; Europe; Expert Peer Reviewed; Peer Reviewed
    • Special Interest:
      Women's Health
    • Instrumentation:
      Food Frequency Questionnaire (FFQ)
    • ISSN:
      1436-6207
    • MEDLINE Info:
      NLM UID: 100888704
    • Publication Date:
      20200715
    • Publication Date:
      20200715
    • DOI:
      10.1007/s00394-019-02038-w
    • Accession Number:
      144498638
  • Citations
    • ABNT:
      SZMIDT, M. K. et al. Long-term dietary fiber intake and risk of chronic obstructive pulmonary disease: a prospective cohort study of women. European Journal of Nutrition, [s. l.], v. 59, n. 5, p. 1869–1879, 2020. DOI 10.1007/s00394-019-02038-w. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=rzh&AN=144498638. Acesso em: 5 dez. 2020.
    • AMA:
      Szmidt MK, Kaluza J, Harris HR, Linden A, Wolk A. Long-term dietary fiber intake and risk of chronic obstructive pulmonary disease: a prospective cohort study of women. European Journal of Nutrition. 2020;59(5):1869-1879. doi:10.1007/s00394-019-02038-w
    • APA:
      Szmidt, M. K., Kaluza, J., Harris, H. R., Linden, A., & Wolk, A. (2020). Long-term dietary fiber intake and risk of chronic obstructive pulmonary disease: a prospective cohort study of women. European Journal of Nutrition, 59(5), 1869–1879. https://doi.org/10.1007/s00394-019-02038-w
    • Chicago/Turabian: Author-Date:
      Szmidt, Maria Karolina, Joanna Kaluza, Holly Ruth Harris, Anders Linden, and Alicja Wolk. 2020. “Long-Term Dietary Fiber Intake and Risk of Chronic Obstructive Pulmonary Disease: A Prospective Cohort Study of Women.” European Journal of Nutrition 59 (5): 1869–79. doi:10.1007/s00394-019-02038-w.
    • Harvard:
      Szmidt, M. K. et al. (2020) ‘Long-term dietary fiber intake and risk of chronic obstructive pulmonary disease: a prospective cohort study of women’, European Journal of Nutrition, 59(5), pp. 1869–1879. doi: 10.1007/s00394-019-02038-w.
    • Harvard: Australian:
      Szmidt, MK, Kaluza, J, Harris, HR, Linden, A & Wolk, A 2020, ‘Long-term dietary fiber intake and risk of chronic obstructive pulmonary disease: a prospective cohort study of women’, European Journal of Nutrition, vol. 59, no. 5, pp. 1869–1879, viewed 5 December 2020, .
    • MLA:
      Szmidt, Maria Karolina, et al. “Long-Term Dietary Fiber Intake and Risk of Chronic Obstructive Pulmonary Disease: A Prospective Cohort Study of Women.” European Journal of Nutrition, vol. 59, no. 5, Aug. 2020, pp. 1869–1879. EBSCOhost, doi:10.1007/s00394-019-02038-w.
    • Chicago/Turabian: Humanities:
      Szmidt, Maria Karolina, Joanna Kaluza, Holly Ruth Harris, Anders Linden, and Alicja Wolk. “Long-Term Dietary Fiber Intake and Risk of Chronic Obstructive Pulmonary Disease: A Prospective Cohort Study of Women.” European Journal of Nutrition 59, no. 5 (August 2020): 1869–79. doi:10.1007/s00394-019-02038-w.
    • Vancouver/ICMJE:
      Szmidt MK, Kaluza J, Harris HR, Linden A, Wolk A. Long-term dietary fiber intake and risk of chronic obstructive pulmonary disease: a prospective cohort study of women. European Journal of Nutrition [Internet]. 2020 Aug [cited 2020 Dec 5];59(5):1869–79. Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=rzh&AN=144498638