A total of 300 participants are selected for a study of risk factors for cardiovascular disease. At baseline (study start), 48 are classified as hypertensive. At one year, an additional 24 have developed hypertension and at 2 years another 16 have developed hypertension. What is the prevalence of hypertension at 2 years in the study?
1) Prevalence 2 years=?
2) What is the 2 year cumulative incidence of hypertension?
Cumulative incidence 2 years =?