Epidemiology of urinary tract infection: II. Diet, clothing, and urination habits.
B Foxman and
R R Frerichs
Although several health habits and behaviors are commonly citedin medical and nursing textbooks as potential causes of urinarytract infection (UTI) in women, few have been studied in a systematicfashion. In a case-control study, we evaluated the associationsbetween UTI and the most commonly mentioned risk factors: urinationhabits, diet, clothing, and soaps. Because sexual intercourseand diaphragm use increase the risk of UTI, we assessed theeffect of health habits and behaviors controlling for thesetwo risk factors. Women with initial UTI were compared withcontrols with no UTI history; women with a second UTI were comparedto those with initial UTI. For the 25 initial cases, 19 secondarycases, and 181 controls enrolled in the study from a universityhealth service, we found using tampons and drinking soft drinksto be moderately associated (RR greater than or equal to 1.4)with both initial and recurrent UTI. Although several otherindividual habits had only small associations with UTI, severalof these behaviors together might substantially increase riskof initial or recurring UTI.
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