At the initial examination in the Framingham study, coronary heart disease was found in 5 per 1,000 men aged 30yrs to 44yrs and in 5 per 1,000 women aged 30yrs to 44yrs. The inference that in this age group men and women have an equal risk of developing coronary heart disease is

A. Correct
B. Incorrect because of a failure to distinguish between incidence and prevalence
C. Incorrect because a proportionate ratio is used when a rate is required to support the inference
D. Incorrect because of failure to recognize a possible cohort phenomenon
E. Incorrect because there is no control or comparison group

the correct option is B

Explanation:

The correct answer is b since we need to know the incidence (new cases in both populations) and the prevalence (the proportion of individuals in a group or a population that present a certain characteristic or event). In this way we know the problem of the population and the magnification of this problem in order to know if the risk is the same in both populations or different, for example, if the group of women has a higher incidence than that of men, they will have more risk of inference.

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mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation: