Description Format Author(s) References
The dataset reports the summarized dose-response results from eleven prospective studies on the relation between coffee consumption and risk of stroke.
A data frame with 68 observations on the following 12 variables:
id | id of the studies included in the analysis. |
author | names of the first author of the studies. |
type | code for study design. |
dose | assigned dose levels. |
cases | number of cases for each exposure level. |
n | total number of subjects (type = "ci") or person-years (type = "ir") for each exposure level. |
rr | adjusted risk estimates for each exposure level. |
lb | lower bound for the confidence limits of the adjusted risk estimates. |
ub | upper bound for the confidence limits of the adjusted risk estimates. |
logrr | natural logarithm of the adjusted risk estimates. |
se | standard error for the logarithm of the adjusted risk estimates. |
nordic | indicator variable for the study to be conducted in the nordic countries (1 = yes). |
Alessio Crippa, <alessio.crippa@ki.se>
Larsson, S. C., Orsini, N. (2011). Coffee consumption and risk of stroke: a dose-response meta-analysis of prospective studies. American journal of epidemiology, 174(9), 993-1001.
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