129 Answered Questions for the topic Epidemiology

Epidemiology Statistics

07/29/25

How to treat ordinal predictors in the context of multiple linear regression
Hi all, I have a question regarding an analysis I’m trying to do right now concerning data of 100 patients. I have a transformed normally distrubuted continuous outcome Y. My predictor X is... more
Follows • 1
Expert Answers •1
Epidemiology

08/31/24

Salmonella infection
A 2010 turtle-associated outbreak of Salmonella infections resulted in 135 illnesses in 25 states and the District of Columbia, children were disproportionately affected. What pathogen... more
Follows • 1
Expert Answers •1
Epidemiology

04/25/24

Public Health- Program Evaluation
Between process or outcome evaluations, which evaluation plan do you think is most useful to stakeholders?
Follows • 2
Expert Answers •1
Epidemiology

01/04/24

What is the best way to compare averages/medians
I would like to compare the percent of population below poverty line in different counties.
Follows • 1
Expert Answers •2
Epidemiology

11/04/23

epidemiology question
A survey is sent to homeowners through email: “Do you prefer the look and feel of thick lush carpeting in your living room or just old hardwood floors?” What source of error/bias may interfere... more
Follows • 1
Expert Answers •2
Epidemiology

10/03/23

How to solve this?
Researchers want to study how coffee drinking affects lung cancer.  They randomly selected a group of 5,000 people and assigned them by randomization into either a group that drinks coffee or a... more
Follows • 1
Expert Answers •2
Epidemiology Science Biology

09/21/23

true or false question
For a chronic disease, if the incidence declines but the number of deaths increases, the prevalence will also greatly increase(True or False)?
Follows • 1
Expert Answers •1
Epidemiology Math Calculus Precalculus

09/20/23

Please solve this question
In January 2010, a team of epidemiologists identified a sample of 12,525 women, 50- 65 years of age, in Denver, for a study of osteoporosis. Tests indicated that 6% of these women already had... more
Follows • 1
Expert Answers •1
Epidemiology Biology

09/10/23

The population of the USS McCain (a navy ship) on January 5th, 2018 is an example of a ________ population
Which is the correct option?a- Fixedb- Dynamic
Follows • 2
Expert Answers •1
Epidemiology

11/18/22

What potential issue(s) can happen when cases and controls are overmatched? Can you analyze the association between a matched variable and an outcome? Why or why not?
Follows • 0
Expert Answers •1
Epidemiology

10/24/22

biases might occur in this study
A study was conducted. 4,000 adult males working for a large University in any capacity( professors, custodians, etc.) are asked in 1995 if they are smokers. Twenty years later, the researchers... more
Follows • 1
Expert Answers •1
Epidemiology

10/05/22

If my session is shorter do I have to pay for the full thing.

My session is set for one hour and 15 mins. What happens if we only take 30 mins. Do I have to pay for the whole time?
Follows • 1
Expert Answers •1
Epidemiology Biostatistics

08/25/22

Identify whether the texts in bold are discrete or continuous variables:
Unprecedented measures have been adopted to control the rapid spread of the ongoing COVID-19 epidemic in China. People’s adherence to control measures is affected by their knowledge, attitudes,... more
Follows • 1
Expert Answers •1
Epidemiology Biostatistics

08/25/22

Identify whether the texts in bold are discrete or continuous variables:
It has been hypothesized that vitamin D is associated with androgen levels in men. We,therefore, aimed to evaluate whether vitamin D supplementation increases serum totaltestosterone (TT) levels in... more
Follows • 1
Expert Answers •1
Epidemiology Statistics

04/24/22

Which of the following is an appropriate confidence interval to indicate significance for an OR=4.5? A. 2.6 to 4.4 B. 1.3 to 6.7 C. 0.5 to 6.7 D. -3.4 to 4.5

Follows • 1
Expert Answers •2
Epidemiology

02/28/22

A. What absolute measure of association can be calculated? Provide an explanation.
Mortality Rates by Race and Ethnicitytotal: 703.5White: 710.7Black: 805.8Asian: 372.5Hispanic: 458.2*rates are per 100,000 population and age adjusted to the US standard population*
Follows • 1
Expert Answers •1
Epidemiology Writing

01/28/22

What is the paragraph fragment continued on the next page called?
I am labeling pages and paragraphs for a CONSORT checklist. I would like to know how to identify the paragraph fragment on the following page
Follows • 1
Expert Answers •1
Epidemiology Biostatistics

01/27/22

Is it proper to stop participant recruitment in a clinical trial when a treatment or control group has been shown to be statistically significant?
"The study was randomized and double-blind. It was designed to be discontinued when interim statistical analysis found a significant difference in favour of one of the groups. This happened when 45... more
Follows • 0
Expert Answers •1
Epidemiology Idioms Metaphors

12/31/21

What is the difference between idioms and metaphors?
A green thumb or pretty as a rose.
Follows • 1
Expert Answers •1
Epidemiology

12/11/21

What are multifactorial diseases
Follows • 1
Expert Answers •1

11/06/21

Binomial Distribution
The distribution of weights for the population of females in the United States is approximately normal with mean µ = 135.4 pounds and standard deviation σ = 21.3 pounds.  What is the probability... more
Follows • 1
Expert Answers •1
Epidemiology Math Biology Statistics

10/31/21

Statistics Probability Question
Let Y be a random variable that represents the number of infants in a group of 4,000 who die from asthma in a year. In the United States, the probability that a child dies from an acute asthma... more
Follows • 2
Expert Answers •1
Epidemiology Math Biology Statistics

10/30/21

Probability Question

 Consider a group of nine individuals selected from the AARP (American Association of Retired People) of 50-year-olds and above in the United States. The number of persons in this sample who suffer... more
Follows • 1
Expert Answers •1
Epidemiology Math Biology Statistics

10/28/21

Probability Question
I want to check my work for this question, my answer is 0.131 but I think I might have calculated this wrong.Question: The US preterm birth rates have declined between 2006 and 2008. In 2008, the... more
Follows • 1
Expert Answers •1
Epidemiology Math Science Biology

09/03/21

Incidence Rate Question
What is the cumulative incidence and incidence rate of cancer in decimal form?Participant A: • Age: 7• Outcome: CancerParticipant B• Age: 2• Outcome: No CancerParticipant C• Age: 2• Outcome:... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.