Epi: DMconv – R documentation

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DMconv

Conversion to diabetes

Description

Data from a randomized intervention study ("Addition") where persons with prediabetic conditions are followed up for conversion to diabetes (DM). Conversion dates are interval censored. Original data are not published yet, so id-numbers have been changed and all dates have been randomly perturbed.

Usage

data(DMconv)

Format

A data frame with 1519 observations on the following 6 variables.

id: Person identifier
doe: Date of entry, i.e. first visit.
dlw: Date last seen well, i.e. last visit without DM.
dfi: Date first seen ill, i.e. first visit with DM.
gtol: Glucose tolerance. Factor with levels: 1="IFG" (impaired fasting glucose), 2="IGT" (impaired glucose tolerance).
grp: Randomization. Factor with levels: 1="Intervention", 2="Control".

Source

Signe Saetre Rasmussen, Steno Diabetes Center. The Addition Study.

Examples

data(DMconv)
str(DMconv)
head(DMconv)

Epi

Statistical Analysis in Epidemiology

v2.44

GPL-2

Authors

Bendix Carstensen [aut, cre], Martyn Plummer [aut], Esa Laara [ctb], Michael Hills [ctb]

Initial release

2021-02-28