lowbwt {aplore3}

LOWBWT data

Description

lowbwt dataset.

Usage

lowbwt

Format

A data.frame with 189 rows and 11 variables:

id

Identification Code

low

Low birth weight (1: >= 2500, 2: < 2500 g)

age

Age of mother (Years)

lwt

Weight of mother at last menstrual period (Pounds)

race

Race (1: White, 2: Black, 3: Other)

smoke

Smoking status during pregnancy (1: No, 2: Yes)

ptl

History of premature labor (1: None, 2: One, 3: Two, etc)

ht

History of hypertension (1: No, 2: Yes)

ui

Presence of Uterine irritability (1: No, 2: Yes)

ftv

Number of physician visits during the first trimester (1: None, 2: One, 3: Two, etc)

bwt

Recorded birth weight (Grams)

Source

Hosmer, D.W., Lemeshow, S. and Sturdivant, R.X. (2013) Applied Logistic Regression, 3rd ed., New York: Wiley

Examples

head(lowbwt, n = 10)
summary(lowbwt)