(E) Cross Sectional
(D) Cross Over Study
(C) Randomized Clinical Trial
(B) Cohort Study
(A) Case-Control study
A trial is carried out to determine the impact of a new diet combined with exercise in addition to conventional therapy to further reduce the risk of dying in patients recovering from heart surgery. Patients are assigned to one of the two study arms:
1- Conventional therapy only 2- Conventional therapy plus new diet plus new exercise program.
Patients are followed up every two months for the first year and then every six months for the next four years. Among other factors, the following information is collected:
1) Sex 2) Age at time of surgery 3) Weight (at entry into trial and at each visit) 4) Percentage of body fat (at entry and at each visit) 5) Survival status and date of death where applicable 6) Need for further surgery and date where applicable 7) A grading for actual activity level (1 to 5 with 1=Sedentary & 5=Very Active)
Refer to the attached trial description. What study design is this?
Question 11 of 40