4. In a study using data from the Youth Risk Behavioral Survey, Dunn et al. exam

Question

4. In a study using data from the Youth Risk Behavioral Survey, Dunn et al. examined whether or not being sexually experienced increased risk of begin bullied. In the unadjusted analysis, youth who were sexually experienced had 67% greater odds of having been bullied than those who were not sexually experienced (crude OR=1.67). In the multivariable analysis used to account for potential confounders, the adjusted OR 1.34. Was the OR (the crude measure) subject to confounding? If so, is this confounding considered positive or negative confounding? Dunn HK, Gjelsvik A, Pearlman DN, Clark MA. (2014). Association between sexual behaviors, bullying victimization and suicidal ideation in a national sample of high school students: implications of a sexual double standard. Women's Health Issues; 24(5): 567-574. A. Yes, positive confounding B. Yes, negative confounding C. Yes, but there is not enough information to determine the direction of confounding D. No

Explanation / Answer

Solution

Yes confounding is present as crude is not equalto adjusted

crude = 1.67 and adjusted = 1.34

crude>adjusted so overestimation so positive confounding

option A

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