Health Data

Example: A study starts with 5000 people. Participants are followed for the next 2 years for the development of disease. The table below shows disease development by drinking status, the main exposure of interest. Developed disease Did not develop disease Total Drinker 40 1504 1544 Non- 35 3421 3456 Drinker 75 4925 5000 Question: . What is the risk difference in drinkers compared to non-drinkers? Express your answer as a percent, rounded to one decimal place (ie., XX %)