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Public Health & Epidemiology

Proposed Q&A site for researchers and practitioners in public health and epidemiology, as well as associated fields like health economics, health behavior, health policy and biostatistics.
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47 Example Questions

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up vote 11 down vote
What are the pros and cons of direct and indirect standardization of incidence/mortality rates ?
added by Robert Long Nov 25 '11 at 8:02
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Since this question has already received 10 votes, any further votes are "wasted", as we need a total of 40 questions with 10 votes before this proposal can be moved to the next stage. So please vote for questions with less than 10 votes ! – P Sellaz Mar 15 at 20:03
up vote 10 down vote
What should I be using instead of logistic regression when disease prevalence is high in my population?
added by EpiGrad Aug 15 '11 at 8:14
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up vote 10 down vote
Should relative effect measures (OR, RR, HR etc.) always be plotted on a log scale?
added by EpiGrad Aug 15 '11 at 8:18
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There's a downvote on this question - thoughts as to why? Too close to CV's data visualization role? Something else? – EpiGrad Feb 18 at 10:06
up vote 10 down vote
Sources for national level healthcare-associated infection statistics besides the CDC's NHSN?
added by EpiGrad Aug 15 '11 at 8:27
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up vote 10 down vote
How do I respond to these reviewer comments for a paper submitted to a clinical journal?
added by EpiGrad Aug 15 '11 at 8:31
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up vote 10 down vote
How can I predict the number of incident cases for an upcoming time period when disease incidence is very low?
added by Matt Parker Sep 28 '11 at 22:26
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Since this question has already received 10 votes, any further votes are "wasted", as we need a total of 40 questions with 10 votes before this proposal can be moved to the next stage. So please vote for questions with less than 10 votes ! – P Sellaz Mar 12 at 18:48
up vote 10 down vote
How can I use an SIR-type model to demonstrate herd immunity from vaccination?
added by EpiGrad Oct 4 '11 at 9:14
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up vote 10 down vote
It is common for some explanatory variables to be discretised - for example age and deprivation scores. What are the pros and cons of doing this ?
added by Robert Long Nov 25 '11 at 7:15
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up vote 10 down vote
When is it appropriate to use binomial regression to analyse the results of a cohort study ?
added by Robert Long Nov 25 '11 at 8:41
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Herein we see where there may be some crossover between this proposal and CrossValidated. – EpiGrad Dec 15 '11 at 5:26
up vote 10 down vote
Does WHO have a list with definitions of common epidemiological terms and if so, where can I find it?
added by Max Gordon Dec 1 '11 at 10:45
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<comments removed> Please do not use comments to answer these questions. Comments are here to help improve the questions. This is not a Q&A site. This is a proposal, and the task at hand is to help define the site. Thank you. – Robert Cartaino♦ May 15 '12 at 13:32
up vote 10 down vote
Why are latent variable techniques fairly uncommon in epidemiology ?
added by Joe King May 11 '12 at 9:12
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up vote 10 down vote
What are the branches of epidemiology ? Molecular; Genetic; (non)Infectious Disease; Statistical; Clinical;.. any more ? And what do they do ?
added by Joe King May 11 '12 at 9:22
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up vote 10 down vote
What is an instrumental variable?
added by D L Dahly Nov 26 '12 at 21:07
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up vote 10 down vote
How do I identify an unblocked backdoor path on a directed acyclic graph?
added by D L Dahly Nov 26 '12 at 21:35
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up vote 10 down vote
How can I evaluate a risk score for clinical decision making ? How can competing risk scores be compared ?
added by Johnson Chang Jan 24 at 20:35
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up vote 9 down vote
Informed consent forms have become so cumbersome that they are never read. Are there guidelines for producing concise, informative consent forms?
added by jthetzel Feb 20 '12 at 18:08
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Is this question down-voted because it is too open-ended, or because questions about informed consent are not appropriate for a public health Q&A site? I find questions concerning IRBs and informed consent to be common stumbling blocks among public health researchers and would prefer to refer them to a SE site, if an appropriate one existed. – jthetzel Jun 4 '12 at 14:02
could this fit into the healthcare industry proposal? See All healthcare related proposals and discuss. – Kirill Fuchs Jun 26 '12 at 18:55
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Informed consent is an important issue in clinical epidemiology research, and not just in medical practice. Developing improved consent forms seems to me to fit well into a public health & epidemiology research framework. – Azula R. Jan 19 at 19:51
up vote 5 down vote
What are the pros and cons of a nested case-control study ?
added by P Sellaz Feb 3 at 10:55
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up vote 4 down vote
Statistically significant but epidemiologically insignificant, what do with such results?
added by Prabhjot Jan 30 at 13:17
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up vote 3 down vote
How does the calcuations for case-crossover look - what's in the numerator and what's in the denominator?
added by Max Gordon Dec 6 '11 at 17:15
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up vote 3 down vote
How does a case-control study differ from a retrospective cohort study ?
added by P Sellaz Feb 3 at 10:58
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up vote 2 down vote
What are each the main steps in conducting an outbreak investigations?
added by Michael Nov 27 '12 at 15:39
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up vote 2 down vote
Are there any special considerations for analyzing the results of a nested case-control study ?
added by P Sellaz Feb 3 at 10:56
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up vote 2 down vote
What are the preferred methods for dealing with endogeneity and reverse causation when estimating the cost of hospital-acquired infection?
added by John Bensin Apr 6 at 23:36
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1  
I added this question because although it's very statistical in nature, it's still an important point to consider. Increased length of stay in the hospital may lead to increased risk of hospital acquired-infection, but the contraction of an HAI may lead to an increase hospital stay, so when attempting to measure cost, you may run into reverse causation problems. – John Bensin Apr 6 at 23:37
up vote 1 down vote
Should interaction terms be added to a a model that does not contain the corresponding main effects ?
added by Robert Long Nov 25 '11 at 7:02
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up vote 1 down vote
How do you construct a confidence interval around a prevalence estimate equal to 0?
added by Michael Nov 27 '12 at 15:56
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up vote 1 down vote
In a cross-sectional study, can one express the OR in terms of risk ?
added by Epifunky Mar 9 at 10:27
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up vote 1 down vote
How do I report a bug in the NEDSS Base System (NBS)?
added by daveloyall Mar 26 at 22:42
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up vote 0 down vote
For web-based survey instruments, which technical standards must I follow to be in compliance with HIPAA and Title 45 CFR Part 46 regulations?
added by jthetzel Feb 20 '12 at 17:27
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2  
Regulatory concerns are a significant component of medical research and are not covered by other StackExchange sites. – jthetzel Feb 20 '12 at 17:35
could this fit into the healthcare industry proposal? See All healthcare related proposals and discuss. – Kirill Fuchs Jun 26 '12 at 18:54
up vote 0 down vote
What is the principle behind the next-generation operator for calculating the basic reproduction number?
added by Paul Mar 21 '12 at 16:24
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up vote 0 down vote
What are the pros and cons of using partial least squares regression for lifecourse epidemiology ?
added by Joe King May 11 '12 at 8:58
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up vote 0 down vote
One problem in lifecourse epidemiology is collinearity between body size measurements during the lifecourse. What are the best methods for this ?
added by Joe King May 11 '12 at 9:04
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up vote 0 down vote
Would it be more appropriate to use exposure impact number (EIN) instead of number need to be exposed (NNE) in defining a new tobacco control program?
added by Rumi Jun 30 '12 at 10:27
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up vote 0 down vote
What is the correct way of comparing IMD deprivation scores? Should scores or rankings be used?
added by Tumbledown Nov 2 '12 at 10:01
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up vote 0 down vote
Gun crime is a public health problem. How can we use principles and practice of public health to inform the debate over gun control ?
added by Johnson Chang Jan 5 at 13:06
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up vote 0 down vote
What are the major aspects to consider when planning a Quality of Life questionnaire study ?
added by Johnson Chang Jan 5 at 15:37
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up vote 0 down vote
If an individual selected into the subcohort at baseline in a case-cohort study develops the outcome, are they analyzed as a case, a control or both?
added by Azula R. Jan 11 at 4:22
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up vote 0 down vote
What analytical issues should I consider at baseline when designing a study proposal with time-varying exposures?
added by Azula R. Jan 19 at 19:41
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up vote 0 down vote
What routes are available into a career in public health and/or epidemiology ? Is a postgraduate degree essential ?
added by Johnson Chang Jan 21 at 10:25
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up vote 0 down vote
What are the best practices or guidelines for developing a risk score for clinical decision making ?
added by Johnson Chang Jan 24 at 20:31
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up vote 0 down vote
How should I interpret not significant coefficients of independent variables in my significant model selected?
added by Prabhjot Jan 30 at 13:14
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