TABLE 12-8 A Study Published in the American Journal of Public Health

question 72

Multiple Choice

TABLE 12-8
A study published in the American Journal of Public Health was conducted to determine whether the use of seat belts in motor vehicles in San Diego County depends on ethnic status. A sample of 792 children treated for injuries sustained from motor vehicle accidents was obtained, and each child was classified according to (1) ethnic status (Hispanic or non-Hispanic) and (2) seat belt usage (worn or not worn) during the accident. The number of children in each category is given in the table below.

-Referring to Table 12-8, which test would be used to properly analyze the data in this experiment?

• A) X² test for independence
• B) X² test for differences among more than two proportions
• C) Wilcoxon rank sum test for independent populations
• D) Kruskal-Wallis rank test

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Definitions:

Diuretics

Medications designed to increase the excretion of water and salts from the body, often used to treat high blood pressure and fluid retention.

Anticoagulants

Medications that help prevent blood clots by inhibiting the coagulation process in the bloodstream.

Semi-Fowler's Position

A bed position where the patient is seated in a fashion with the head of the bed raised by about 30-45 degrees, often used to promote respiratory function or alleviate pain.

Hydrogen Peroxide

Hydrogen Peroxide is a chemical compound (H2O2) used as an oxidizer, bleaching agent, and antiseptic in various applications, including wound cleaning.