Question

A study was conducted to evaluate the relationship between artificial sweeteners and bladder cancer. 3,000 cases...

  1. A study was conducted to evaluate the relationship between artificial sweeteners and bladder cancer. 3,000 cases and 3,000 controls were enrolled in the study. Among the cases, 1293 had used artificial sweeteners in the past, while 1707 had never used artificial sweeteners. Of the controls, 855 had used sweeteners and 2145 had not.
    1. Which measure of association/comparison should we use to assess the strength of the relationship between the exposure and disease?
    2. Calculate the correct measure and show your work.
    3. How do we interpret this effect estimate?
Science   Nursing   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Answer:

Steps for calculation:

Relationship between artificial sweeteners and bladder cancer.

Amongst the cases, 1,293 had used artificial sweeteners in the past, while 1,707 had never used artificial sweeteners.

used AS = 1,293

Not used AS = 1,707

Among the controls, 855 had used sweeteners and 2,145 had not.

We can prepare a table from the above information,

Cases Controls

used AS a = 1,293 b = 855

Not used AS c = 1,707 d = 2,145

The odds of being a case may be calculated as

Therefore, we can conclude that a person having bladder cancer used artificial sweeteners was 1.90 times the odds that a person without bladder cancer used artificial sweeteners.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A study was conducted to evaluate the relationship between artificial sweeteners and bladder cancer. 3,000 cases...
A study was conducted to evaluate the relationship between artificial sweeteners and bladder cancer. 3,000 cases and 3,000 controls were enrolled in the study. Among the cases, 1293 had used artificial sweeteners in the past, while 1707 had never used artificial sweeteners. Of the controls, 855 had used sweeteners and 2145 had not. a. What is the exposure and what is the disease? b. Set up the two by two table for these data with labels for exposures and disease...
supppose that a case control study was conducted to evaluate the relationship between artificial sweeteners and...
supppose that a case control study was conducted to evaluate the relationship between artificial sweeteners and bladder cancer. 3000 cases and 3000 controls were enrolled in the study. Among the cases, 1293 had used artificial sweeteners. Of the controls, 855 had used sweeteners and 2145 had not. set up the two tables for these data. What measure of association/comparison should be used to assess the strength of the relationship between artificial sweeteners and bladder cancer. Calculate and interpret the measure:...
3. A cohort study of smoking and bladder cancer was conducted in a small island population....
3. A cohort study of smoking and bladder cancer was conducted in a small island population. There were a total of 1000 people on the island. Four hundred were smokers and 600 were not. Fifty of the smokers developed bladder cancer. Ten of the nonsmokers developed bladder cancer. C. 1. Which measure of comparison would you use to describe the absolute effect of smoking on the risk of bladder cancer among smokers? 2. What is the formula for this measure...
Epidemiology_April To evaluate possible risk factors for breast cancer,investigators conducted a case-control study Cases: 1000 women...
Epidemiology_April To evaluate possible risk factors for breast cancer,investigators conducted a case-control study Cases: 1000 women with breast cancer who had previously given birth using a tumor registry list from Massachusetts Controls:1000 women without breast cancer who had previously given birth were selected at random from voter registration lists All subjects were interviewed on a variety of exposures including reproductive characteristics,demographic information,and past medical history 525 of those with breast cancer reported having an age at first birth of 35...
The relationship between use of Aspirin and prostate cancer explored in a study involving 375 vases...
The relationship between use of Aspirin and prostate cancer explored in a study involving 375 vases and 407 controls. In this study, 198 cases and 174 of controls had confirm that they have never used Aspirin at any point. a) Build the 2X2 table consist only with data that will help you to estimate the association between Aspirin and Prostate cancer [4 points] b) Calculate the odds ratio of prostate cancer comparing ‘never users’ versus ever users’ and provide a...
A researcher wants to study the association between heavy coffee consumption and urinary bladder cancer. The...
A researcher wants to study the association between heavy coffee consumption and urinary bladder cancer. The variable X represents the variable "heavy coffee consumption." X = 1 if a subject drinks coffee heavily in the year 2001, and X = 0 if the subject is not a heavy coffee drinker in 2001. The variable Y represents the occurrence of urinary bladder cancer by the year 2006. Y = 1 if a subject has urinary bladder cancer by 2006, and Y...
Researchers at an epidemiology clinic have conducted a study investigating the relationship between exposure to asbestos...
Researchers at an epidemiology clinic have conducted a study investigating the relationship between exposure to asbestos and lung cancer. The following table represents the findings from the study after a follow-up period of 10 years. Lung Cancer No Lung Cancer Total Asbestos Exposure +   153 201 354 Asbestos Exposure - 23 664 687 Total 176 865 1041 Calculate the proportion of lung cancer cases in the exposed and unexposed
Confounding: A cohort study is conducted to assess the relationship between smoking and esophageal cancer. Cancer...
Confounding: A cohort study is conducted to assess the relationship between smoking and esophageal cancer. Cancer No Cancer Total Smoker 110 140 250 Not a smoker 30 220 250 Total 140 360 500 Researchers are concerned that alcohol consumption may be a confounder. So they separated the data based on the present of the third variable, alcohol to get the data below. Comparing the RR obtained from the CMH method to the crude RR (calculated using the first table). Is...
In order to study the relationship between alcohol intake (high or low) and liver cancer, 2,345...
In order to study the relationship between alcohol intake (high or low) and liver cancer, 2,345 persons with incident liver cancer were identified through cancer registries. 3,246 people without liver cancer, selected from the DMV registries were also included in this study. Alcohol intake data was collected through mailed questionnaires. 825 of the people with liver cancer and 855 of those without liver cancer reported high alcohol intake, while the others reported low alcohol intake. Calculate and interpret the appropriate...
No plagiarism please Verga Enterprises is conducting a study to assess the relationship between smoking and...
No plagiarism please Verga Enterprises is conducting a study to assess the relationship between smoking and colorectal cancer (CRC). In the survey that was conducted, 20 out of 100 non-smokers had CRC, while 40 out of 60 smokers had CRC. (a) What makes this a Cross Sectional study design? (b) Complete the 2x2 table. (c) What are the odds of CRC among smokers? (d) What are the odds of disease among non-smokers. (e) Calculate the prevalence ratio. (f) Interpret the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT