Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

Compute the proportion of lung cancer attributable to smoking.

Doll As well as Hill first evaluated the proposition that smoking was a risk factor for lung cancer in a case-control study (Doll and Hill, 1950). They originate that, of 650 men with lung cancer (cases), 645 had smoked at some time and compared with 625 of the 650 men without lung cancer (control).

a) Draw up a clearly labelled as well as appropriate 2 x 2 table to show these data.

b) How many times more probable was a smoker to develop lung cancer than a non-smoker?

c) Compute the proportion of lung cancers attributable to smoking among i) smokers and ii) the whole population.

d) What are these measures called as well as how does their interpretation differ?

Biology, Academics

  • Category:- Biology
  • Reference No.:- M916619

Have any Question? 


Related Questions in Biology

Explain why the removal of great sharks poses a threat to

Explain why the removal of great sharks poses a threat to bay scallops on the Atlantic Coast of North America, despite the fact that large sharks do not feed on scallops. Include the concept of a trophic cascade in your ...

Give the other component that makes up the cell membrane

Give the other component that makes up the cell membrane apart from the protein layer?

Describe and give examples of the primary human tissues and

Describe and give examples of the primary human tissues, and where in the body each can be found. Please include references.

Given what you know about how natural selection works

Given what you know about how Natural Selection works, explain why Sickle cell disease hasn't been eradicated from the population.

Hematology case studycandy is a 13 year old who lives with

Hematology Case study Candy is a 13 year old who lives with her father and younger sister. Her mother died when Candy was 6 years old and her sister was 4 years old. Her father works a 12 hour shift full time to support ...

What are two ecosystems in the region where you live

What are two ecosystems in the region where you live (Southeastern US) where you live? What are some examples of intrinsic and instrumental values provided by the ecosystems?

What is the difference between cis-acting elements and

What is the difference between cis-acting elements and trans-acting factors in the regulation of DNA?

Knowing that acid rain has a ph of 2 - 3 would you conclude

Knowing that acid rain has a pH of 2 - 3 would you conclude that crop species with a narrow soil pH range are in trouble? Explain why, or why not, using scientific reasoning. Is acid rain a problem for plant species and ...

What is the difference between mortality and reproductive

What is the difference between mortality and reproductive rates? Do you think that they equally make an impact on population growth? If yes or no, why?

How many neutrons does element x have if its atomic number

How many neutrons does element x have if it's atomic number is 42 and it's mass number is 154?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro