Calculate the odds that cases (with pdd were very low birth weight (< 1500 g) relative to the odds that controls (pdd) were very low birth weight. (enter the odds ratio into the quiz)

Answers

Answer 1

The odds that cases with PDD were very low birth weight relative to controls with PDD were very low birth weight is 0.5.

To calculate the odds ratio, you need to divide the odds of being a case with PDD and very low birth weight by the odds of being a control with PDD and very low birth weight.

Let's say there were 50 cases with PDD and very low birth weight and 100 controls with PDD and very low birth weight.

The odds of being a case with PDD and very low birth weight would be 50/total number of cases and the odds of being a control with PDD and very low birth weight would be 100/total number of controls.

Therefore, the odds ratio would be 50/total number of cases divided by 100/total number of controls, which simplifies to 0.5. So the odds that cases with PDD were very low birth weight relative to controls with PDD were very low birth weight is 0.5.

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Related Questions

Which of the following statements is FALSE?
The more muscular endurance you have the more repetitions you can do.
Muscular endurance is your muscles' ability to continue performing without fatigue.
Muscular strength is your muscles' ability to exert force against resistance.
Muscular strength is more important than muscular endurance

Answers

The false statement is that muscular strength is more important than muscular endurance, option D is correct.

While both muscular strength and muscular endurance are important components of overall fitness, they serve different purposes. Muscular strength refers to the maximum force a muscle or group of muscles can generate against resistance.

It is crucial for activities requiring short bursts of power, such as lifting heavy weights or performing explosive movements. Muscular endurance relates to the ability of muscles to sustain repeated contractions over an extended period without fatigue. It is particularly essential for activities that involve prolonged effort, such as long-distance running or endurance-based sports, option D is correct.

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The correct question is:

Which of the following statements is FALSE?

A. The more muscular endurance you have the more repetitions you can do.

B. Muscular endurance is your muscles' ability to continue performing without fatigue.

C. Muscular strength is your muscles' ability to exert force against resistance.

D. Muscular strength is more important than muscular endurance

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