1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dmitry_Shevchenko [17]
3 years ago
14

In a case-control study with equal numbers of cases and controls, what is the number of women with a hip fracture who are not ta

king calcium supplements?
Health
1 answer:
Svetach [21]3 years ago
6 0

The given question was incomplete the complete question is as follows:

A history of dietary supplement with calcium was recorded among 10,000 women over the age of 50. The women were followed for 2 years to determine if they experienced hip fracture. Calcium supplementation was reported by 31% of women who experienced hip fracture and by 46% of all other women. In a case-control study with equal numbers of cases and controls, what is the number of women with a hip fracture who are not taking calcium supplements?

Answer:

The correct answer would be - 3450.

Explanation:

In the case control study that is represent there is equal number of cases and control so the cases and controls would be 5000 in each type, which means there is 5000 cases and 5000 controls in this study.

Now for 5000 women who are cases, there would be 31 percent women who exposed to calcium supplement would be = 1550 women. This leaves the women with 69% or 5000 - 1550 = 3450 women.

Thus, the correct answer is - 3450.

You might be interested in
Evidence that physiological arousal precedes emotion would be most consistent with the _______.
storchak [24]

Answer:

C: James-Lange Theory of Emotion; B: Cornea

Explanation:

The James-Lange theory of emotion is a theory proposed independently by two (2) psychologists "William James" and "Carl Lange" and it posits that "<em>emotion is equivalent to the range of physiological arousal caused by external events</em>." This means that for someone to experience emotion, he must first be aroused physically evident in ways such as increased respiration, heart-rate etc., and that their interpretation of such physiological excitement is what leads to emotion in people.

B. Cornea

The eye has 3 layers: The outer layer, the middle layer and inner layer. The outer layer is composed of the sclera, cornea and iris. The sclera is the white eye, the cornea is an opaque tissue, sits in front of the eye and it allows light to enter into the iris.

8 0
3 years ago
Alberti is claiming a causal relationship between drinking wine and a reduction in stress. He is presenting a series of photogra
umka21 [38]

this question is incomplete but I have added The Answer options to your question

a) He does not have a hypothesis.

b) He only has one group. He has not established a comparison

c) He has not measured an outcome.

d) The groups were not equal to begin with.

Answer:

b) He only has one group. He has not established a comparison

Explanation:

A randomized controlled experiment can be defined as an experiment that has two groups which it randomly assigns participants to.

These two groups are:

1.) the experimental group and

2.) The controlled group on whom the study is being performed.

Now Alberti does not have any of these groups we have listed. He performed the testing on the same people before they consumed alcohol and after they consumed alcohol. Therefore this study was not comparative in nature.

3 0
3 years ago
The part of the plant fell that normally contains most of its genetic material is the?
Darina [25.2K]

Answer:

B

Explanation:

6 0
3 years ago
Read 2 more answers
Chills, fever, nausea, or abdominal pain could be signs of
jekas [21]
Poisonous spider bite.
4 0
3 years ago
Read 2 more answers
Causes of personality disorder
iVinArrow [24]

Answer:

yes it could be caused by abuse and abandonment such as narcissism, but it can also just be a genetic thing that happens

6 0
2 years ago
Other questions:
  • What dose.it nean if tou wear a bandana around youre neck?
    10·1 answer
  • Name three characteristics demonstrated by a person with good mental or emotional health
    13·1 answer
  • What is an example of a physical environmental factor?
    10·1 answer
  • In addition to taste buds, what should also guide our eating habits?
    5·2 answers
  • Incision what do it mean
    5·1 answer
  • 1. What kind of "loss" is experienced for the suicidal person and their loved ones?
    5·2 answers
  • A 60-year-old woman is seen for an annual checkup. Her obstetric history reveals para 6, gravida 6. She reports that she went th
    15·1 answer
  • Whom does history regard as the “father of modern American policing”?
    11·1 answer
  • Which items are part of the pistil of a flower?<br> stigma<br> anther<br> style<br> ovary<br> petal
    5·2 answers
  • Yoko wants to become a faster runner, which requires strong speed. Which other activity will best help her reach her goal? (3 po
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!