Refer to the following study regarding oral contraceptive use andurinary tract infections to answer the questions.An epidemiologic study was conducted on 1400 female 1st yearuniversity students to investigate whether the use of oralcontraceptives (OC) increased the risk of developing a urinary tractinfections. After assessing for OC use it was found that 482 womenused OC and 1908 women who did not. The women were followedfor 3 years. Within the 3 years, 27 users and 77 non-users developeda urinary tract infection.What type of study is this?Women who were in the oral contraceptive group were more likelyto have sex than those in the non-user group. Is this an example ofchance, bias, or confounding?Investigators checked the urine of OC users more than non-users. Isthis an example of chance, bias, or confounding?Investigators were able to get follow-up information on 40% of theinitial participants. The remaining 60% were not included in thestudy. Which type of bias is this an example of?

A UTI, or urinary tract infection, is an infection that affects any part of the urinary system,…

Answered: Refer to the following study regarding…

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