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Questions tagged [incidence-rate-ratio]

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2
votes
0answers
739 views

How to calculate SE for the ratio of two proportions?

I have evaluated the prevalence (proportion) of a disease in men and women, in different studies available in the literature. So I have sample sizes for men and women (in different studies) and also ...
6
votes
1answer
1k views

Incidence Rate Ratio (IRR) in R from linear regression using log-transformed data?

I was wondering if it would make sense to calculate IRR for OLS (not poisson), but the OLS is done using log-transformed data? I have a set of crude death rate data (which I'm still debating whether ...
2
votes
1answer
735 views

Inverse Incidence Rate Ratio

I wondered if it is possible to calculate the inverse of an IRR like we can for odds ratio (inverse = 1/x). For example: IRR = 1.40, 95% CI = 1.18 -1.65 Inverse IRR: = 1/1.40 = 0.71 Thank you (...
1
vote
1answer
146 views

Simulation of woman's age of getting breast cancer (cumulative incidence rate)

I am writing a programme to simulate the age at which women will get breast cancer. I have data on the cumulative incidence rate for the whole population. What I am doing right now is using Monte ...
0
votes
1answer
1k views

Comparing Incidence Rate Ratios

I am trying to compare incidence rate ratios (IRR). This is what I have: Group A (exposed vs. unexposed) IRR and Group B (exposed vs. unexposed) IRR So how would I correctly test for the ...
9
votes
3answers
12k views

Comparing incidence rates

I want to compare to incidence rate's between two groups (one without a disease and one with). I was planning to calculate the incidence rate ratio (IRR), i.e. incidence rate group B/ incidence rate ...
0
votes
1answer
1k views

Negative binomial — IRR interpretation for predictors

I have a zero-inflated negative binomial model. I have used incidence rate ratios and I'm trying to interpret the coefficients in relation to my predictors. Most of my predictors are continuous ...
4
votes
1answer
653 views

Alternative name for “incidence rate ratio”

I'm using a negative binomial GLM to predict individual level scores on a psychometric test that ranges from 0-27 and presenting the coefficient "incidence rate ratios". It seems a little strange to ...