A case-control study estimated that the association between sunscreen use and skin cancer was odds ratio=0.52. This indicates that: Sunscreen use is associated with lower risk of skin cancer Sunscreen use is associated with lower odds of skin cancer There is no association between sunscreen use and skin cancer

A case-control study estimated that the association between sunscreen use and skin cancer was odds ratio=0.52. This indicates that: Sunscreen use is associated with lower risk of skin cancer Sunscreen use is associated with lower odds of skin cancer There is no association between sunscreen use and skin cancer

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Which of the following statements about Mendelian or complex disease is TRUE? Question options: Genetic methods for studying Mendelian phenotypes, such as crossing, is not useful for mapping quantitative trait loci. Mapping of quantitative trait loci does relies on genetic variations that directly contribute to the trait of interest. Both Mendelian and complex traits are associated with single gene locus. Genetic factors determine Mendelian traits, while environmental factors determine complex traits. Genome-wide association studies rely on polymorphic markers that are in linkage disequilibrium with alleles that contribute to the trait of interest.
Calculate the 95% confidence interval for the crude female breast cancer rate for each racial group.
An epidemiological study was performed and the odds ratio linking 4 hours of sun exposure per day to the development of skin cancer was 1. This means that the risk of population is at contracting skin cancer. Lower O Higher O Neutral
Familial Cholesterolemia is a genetic disease in humans which causes high cholesterol levels in the blood. The following chart shows the relationship between cholesterol level and genotype for people with normal diet and exercise. Genotype FF Ff ff If two people who are Ft have children what is the chance that they have a child with normal cholesterol levels. 50% none Total Cholesterol Level Under 200 Over 300 Over 600 25% 75%
According to the video “The Biology of Skin Color”, skin color is associated with other aspects of an individual’s appearance or their behavior. A. True B.False
Which of the following imaginary pieces of information does not represent a proportion or a %? a. 80 out of 100 residents of a city own a car b. One-thirds of a class session will be utilized for group exercises c. 70% of students in a university are undergraduates d. For every 100 vaccinated kids in a city, there are at least five who are not vaccinated
In the table above, are there any factors that appear to be negatively associated with disease (e.g. protective against), given the computed relative risk values? From the list below identify which of the risk factors are negatively associated with diseases. Group of answer choices Local Bushmeat Hunting Contact with Rodents Slaughtering Cows Which of the factors in the table above appears to have the strongest positive association with disease? Group of answer choices Slaughtering Monkeys Consumption of Cooked Monkey Meat Bushmeat hunting in Odzala National Park
In individuals with approximately same genetic obesity predisposition score and high level of physical activity Genetic risk for obesity can not be mitigated by the lifestyle modifications Explained phenotypic variance exceeds genetic variance Lesser amounts of mRNAs are synthesized from genes involved in development of obesity Obesity is more severe in the offsprings even with high level of physical activity Healthy lifestyle mitigates genetic risk for obesity
A survey of Canadian adult males was performed during the 1980s. 52% of the respondents smoked. The lifetime probability of a smoker getting lung cancer was 17.2%, whereas a non-smoker had a cancer probability of 1.3%. a)What is the conditional probability of a male smoker getting lung cancer? b)Draw a probability tree showing the probability of getting lung cancer conditional on smoking or not smoking. c)Using the tree, calculate the probability of smoking and getting lung cancer d)Show the same calculation as c), but in the format of the general multiplication rule Pr[A and B] = Pr[A] Pr[B|A] e)What is the probability that a male did not smoke and did not get lung cancer? pls help with the following. explain and make sure its 100 % accurate, thanks
How did they get 79%?
For each of the studies below, put an “A” if it is an example of analytic epidemiology or a “B” if is an example of descriptive epidemiology. __________ Analysis of US mortality data to determine the rates of colorectal cancer deaths for white (non-Hispanic), black (non-Hispanic) and Hispanics in 2012. __________ Analysis of survey and laboratory data to determine if individuals with a high salt diet have higher systolic and diastolic blood pressure. ______ Case-control study to determine if patients with a current diagnosis of breast cancer had ever received hormone replacement therapy. ______ Analysis of medical records to determine if diagnosis of hypertension is more or less common among adults age 65 or older compared to those younger than age 65.
1. Explain how incidence and prevalence are related to each other with examples.. 2. A study starts with 6,659 healthy people. Over the next 2 years, 175 develop multiple sclerosis. What is the incidence proportion of multiple sclerosis over the study period? Show all work. Look up a journal article on multiple sclerosis and summarize the findings. 3. The country of South Korea had 51.74 million people in 2020, with 8.4 million aged 65 or older. At the end of 2020 South Korea reported 830,000 people aged 65 or older currently had dementia. What is the prevalence of dementia among those aged 65 or older?