Learn R Programming

dosresmeta (version 2.0.1)

milk_ov: Nine studies on the relation between milk consumption and ovarian cancer

Description

The dataset reports the summarized dose-response results from nine studies on the relation between milk consumption and ovarian cancer.

Arguments

Format

A data frame with 37 observations on the following 12 variables:

idid of the studies included in the analysis.
authornames of the first author.
yearyear of publication.
typecode for study design.
doseassigned dose levels.
casenumber of cases for each exposure level.
ntotal number of subjects (type = "ir" or "cc") or person-years (type = "ir") for each exposure level.
rradjusted risk estimates.
lblower bound for the confidence limits of the adjusted risk estimates.
ubupper bound for the confidence limits of the adjusted risk estimates.
logrrnatural logarithm of the adjusted risk estimates.
sestandard error for the logarithm of the adjusted risk estimates.

Author

Alessio Crippa, <alessio.crippa@ki.se>

References

Larsson, S. C., N. Orsini, and A. Wolk. 2005. Milk, milk products and lactose intake and ovarian cancer risk: A meta-analysis of epidemiological studies. International Journal of Cancer 118: 431-441.

Greenland, S., Longnecker, M. P. (1992). Methods for trend estimation from summarized dose-response data, with applications to meta-analysis. American journal of epidemiology, 135(11), 1301-1309.