BNPmix (version 0.2.5)

CPP: Collaborative Perinatal Project data

Description

A subset of the Collaborative Perinatal Project data set (Klebanoff, 2009) focused on studying the effect of DDE exposure on pregnancies (Longnecker et al., 2001). The dataset contains the following variables for each pregnant women enrolled in the study:

• hosp, factor denoting the hospital where the woman was hospitalized;

• smoke, factor. It takes value 2 if the woman is a smoker, 1 otherwise;

• gest, gestational age (in weeks);

• dde, Dichlorodiphenyldichloroethylene (DDE) concentration in maternal serum;

• weight, body weight of the baby at birth (in grams);

Usage

data(CPP)

Format

A data.frame

References

Klebanoff M. A. (2009) The collaborative perinatal project: a 50-year retrospective. Paediatric and perinatal epidemiology, 23, 2.

Longnecker, M. P., Klebanof, M. A., Zhou, H., Brock, J. (2001) Association between maternal serum concentration of the DDT metabolite DDE and preterm and small-for-gestational-age babies at birth. The Lancet, 358, 110-114.

Examples

# NOT RUN {
data(CPP)
str(CPP)

# }