Experimental data suggests that green tea may prevent prostate cancer.

Study Assignment 2 Questions Read the scenarios below and answer the questions after each one. Use the numbers below to label your answers. |. Experimental data suggests that green tea may prevent prostate cancer. To test this theory. the research team recruits a group of men who drink green tea daily and a group of men who do not drink green tea daily. Then they follow both groups for 5 years to see if they develop prostate cancer. 1. What are the exposures [independent variables}? 2. What is the outcome [dependent variables}? 3. What type of study is described here? 4. What is the measure of association for this study? 5. What statistic can be calculated from this study? II. A researcher wants to know if there a relationship between coffee consumption and osteoporosis in women. He recruits women with and without osteoporosis and asks them how must coffee they consume a day. Then she compares the results. 6. What are the exposurefs} {independent variables}? T. What is the outcome [dependent variable}? 8. What type of study is described here? Q. What is the measure of association for this study? “I. The Houston Health Department wants to monitor the rates of syphilis that occur in the city. They receives syphilis rates and patient characteristics from every hospital and clinic in the Houston monthly. 1t]. What is the outcome [dependent variable}? 11. What type of study is described here? 12. What statistic can be calculated from this study?

IV. A group of researchers want to determine if green tea supplementation decreases the breast cancer recurrence rates in women. They enroll women newly diagnosed with breast cancer and randomize them to receive a green tea supplement pill or a placebo pill. For the next five years, the researchers contact the women to see if they have had a breast cancer recurrence. 13. What are the exposures (independent variables)? 14. What is the outcome (dependent variables)? 15. What type of study is described here?