Question

In a survey of 1,300 women who gave birth in Maine in 2003, a total of 588 reported taking a multivitamin at least 4 times a week during the month before pregnant. Please calculate the prevalence of frequent multivitamin use, i.e., taking a multivitamin at least 4 times a week, among these women

Answer 1

Using it's concept, it is found that the prevalence of frequent multivitamin use is of 0.4523 = 45.23%.

What is the prevalence of a sample?

The prevalence of a sample is given by the number of desired outcomes divided by the number of total outcomes.

In this problem, 588 out of 1300 women reported taking a multivitamin at least 4 times a week during the month before pregnant, hence the prevalence is given by:

p = 588/1300 = 0.4523 = 45.23%.

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