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1
vote
Inverse Incidence Rate Ratio
Yes, that just gives you the rate ratio with 1 as the referent group instead of 0 (for a binary variable) or for a one unit decrease in the variable (for a continuous variable) exactly as with a risk …
3
votes
Is calculating Incidence Rate Difference/Ratio appropriate for single case experimental design?
First, a discussion of the "incidence rate" - this is a measure that is simply the number of events / the time the study subjects are at risk of the outcome. The incidence rate difference is typically …
3
votes
Accepted
Alternative name for "incidence rate ratio"
I don't think its appropriate to use the term "incidence rate ratio" and your instincts are correct. You're reporting, as far as I can tell, neither an incident event, nor an actual rate, and rather t …
4
votes
Comparing incidence rates
A couple thoughts:
First, your suggested comparison - the incident rate ratio between A and B - currently isn't conditioned on any covariates. Which means your number of events is 54 for Group A and …
17
votes
Accepted
Interpretation of incidence-rate ratios
Ah, the incident rate ratio, my old friend.
You're correct. If we have a 0/1 variable, an IRR of 0.7 means that those with X = 1 will have 0.7 times the incident events as those with X = 0. If you w …
2
votes
Adjusting variable for covariate to calculate rates or metric
The report goes into their adjustment strategy a little bit, and in general your instincts are correct: when people talk about adjustment, they usually mean they're including those variables in a regr …