Using the reported one-year prevalences from the lesson (bulimia: females 0.32%, males 0.05%), calculate the female-to-male ratio for bulimia prevalence and round to one decimal place.

• A. Approximately 6.4 female cases for every male case.
• B. Approximately 1.6 female cases for every male case because the correct calculation is 0.32 × 0.05.
• C. Approximately 0.16 female cases for every male case, indicating males are more affected.
• D. Exactly 10 female cases for every male case as prevalence ratios are standardized to a 10:1 scale in epidemiology.

Answer: (A)