outcome of high life expectancy (dying at an age of years). people who are exposed (those that exercise regularly) also tend to be people who have healthy diets. Both regular cardiovascular exercise and healthy diets have causal relationships with high life expectancy. This information tells you that healthy diet is: A mediator in the context of your study. OA confounder in the context of your study. An effect modifier in the context of your study. Prone to systematic error. None of the above Question 34 The extent to which a specific clinical intervention does what it is intended to do under ideal controlled conditions is: Clinical significance Efficacy Statistically significant Effectiveness None of the above. 1 pts