For the following situations, please identify the most appropriate statistical method from among those that you have learned. Describe why it is the most appropriate (no more than one paragraph for each part).

A population-based case-control study was performed to assess the association between diabetes mellitus history and breast cancer in Hispanic women. Breast cancer cases were identified through state cancer registries. Age- and ethnicity-matched controls were selected from commercial mailing lists and driver's license and Social Security records. The goal of the statistical analysis was to determine whether there was a statistically significant association between diabetes and breast cancer, after adjustment for age, body mass index at age 15 years, and parity