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Dietary factors protecting women from urinary tract infection.

Abstract

BACKGROUND

Because urinary tract infections (UTIs) are caused by bacteria in the stool, dietary factors may affect the risk of contracting a UTI by altering the properties of the fecal bacterial flora.

OBJECTIVE

We studied dietary and other risk factors for UTI in fertile women in a case-control setting.

DESIGN

One hundred thirty-nine women from a health center for university students or from the staff of a university hospital (mean age: 30.5 y) with a diagnosis of an acute UTI were compared with 185 age-matched women with no episodes of UTIs during the past 5 y. Data on the women's dietary and other lifestyle habits were collected by questionnaire. A risk profile for UTI expressed in the form of adjusted odds ratios (ORs) with 95% CIs was modeled in logistic regression analysis for 107 case-control pairs with all relevant information.

RESULTS

Frequent consumption of fresh juices, especially berry juices, and fermented milk products containing probiotic bacteria was associated with a decreased risk of recurrence of UTI: the OR for UTI was 0.66 (95% CI: 0.48, 0.92) per 2 dL juice. A preference for berry juice over other juices gave an OR of 0.28 (95% CI: 0.14, 0.56). Consumption of fermented milk products > or = 3 times/wk gave an OR of 0.21 (95% CI: 0.06, 0.66) relative to consumption < 1 time/wk. Intercourse frequency was associated with an increased risk of UTI (OR for > or = 3 times/wk compared with < 1 time/wk: 2.7; 95% CI: 1.16, 6.2).

CONCLUSION

Dietary habits seem to be an important risk factor for UTI recurrence in fertile women, and dietary guidance could be a first step toward prevention.

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  • Authors+Show Affiliations

    ,

    Department of Pediatrics, University of Oulu, Oulu, Finland.

    , , , ,

    Source

    MeSH

    Adult
    Animals
    Beverages
    Case-Control Studies
    Coitus
    Confidence Intervals
    Diet
    Feces
    Female
    Fermentation
    Finland
    Fruit
    Humans
    Life Style
    Middle Aged
    Milk
    Multivariate Analysis
    Nutrition Policy
    Odds Ratio
    Probiotics
    Recurrence
    Risk Factors
    Surveys and Questionnaires
    Urinary Tract Infections

    Pub Type(s)

    Journal Article
    Research Support, Non-U.S. Gov't

    Language

    eng

    PubMed ID

    12600849

    Citation

    Kontiokari, Tero, et al. "Dietary Factors Protecting Women From Urinary Tract Infection." The American Journal of Clinical Nutrition, vol. 77, no. 3, 2003, pp. 600-4.
    Kontiokari T, Laitinen J, Järvi L, et al. Dietary factors protecting women from urinary tract infection. Am J Clin Nutr. 2003;77(3):600-4.
    Kontiokari, T., Laitinen, J., Järvi, L., Pokka, T., Sundqvist, K., & Uhari, M. (2003). Dietary factors protecting women from urinary tract infection. The American Journal of Clinical Nutrition, 77(3), pp. 600-4.
    Kontiokari T, et al. Dietary Factors Protecting Women From Urinary Tract Infection. Am J Clin Nutr. 2003;77(3):600-4. PubMed PMID: 12600849.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Dietary factors protecting women from urinary tract infection. AU - Kontiokari,Tero, AU - Laitinen,Jaana, AU - Järvi,Leea, AU - Pokka,Tytti, AU - Sundqvist,Kaj, AU - Uhari,Matti, PY - 2003/2/26/pubmed PY - 2003/4/16/medline PY - 2003/2/26/entrez SP - 600 EP - 4 JF - The American journal of clinical nutrition JO - Am. J. Clin. Nutr. VL - 77 IS - 3 N2 - BACKGROUND: Because urinary tract infections (UTIs) are caused by bacteria in the stool, dietary factors may affect the risk of contracting a UTI by altering the properties of the fecal bacterial flora. OBJECTIVE: We studied dietary and other risk factors for UTI in fertile women in a case-control setting. DESIGN: One hundred thirty-nine women from a health center for university students or from the staff of a university hospital (mean age: 30.5 y) with a diagnosis of an acute UTI were compared with 185 age-matched women with no episodes of UTIs during the past 5 y. Data on the women's dietary and other lifestyle habits were collected by questionnaire. A risk profile for UTI expressed in the form of adjusted odds ratios (ORs) with 95% CIs was modeled in logistic regression analysis for 107 case-control pairs with all relevant information. RESULTS: Frequent consumption of fresh juices, especially berry juices, and fermented milk products containing probiotic bacteria was associated with a decreased risk of recurrence of UTI: the OR for UTI was 0.66 (95% CI: 0.48, 0.92) per 2 dL juice. A preference for berry juice over other juices gave an OR of 0.28 (95% CI: 0.14, 0.56). Consumption of fermented milk products > or = 3 times/wk gave an OR of 0.21 (95% CI: 0.06, 0.66) relative to consumption < 1 time/wk. Intercourse frequency was associated with an increased risk of UTI (OR for > or = 3 times/wk compared with < 1 time/wk: 2.7; 95% CI: 1.16, 6.2). CONCLUSION: Dietary habits seem to be an important risk factor for UTI recurrence in fertile women, and dietary guidance could be a first step toward prevention. SN - 0002-9165 UR - https://www.unboundmedicine.com/medline/citation/12600849/full_citation L2 - https://academic.oup.com/ajcn/article-lookup/doi/10.1093/ajcn/77.3.600 DB - PRIME DP - Unbound Medicine ER -