Blood

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Percentile

Blood Pressure Data of African-American Adult Males

The data were collected to determine whether an increase in calcium intake reduces blood pressure among African-American adult males. The data are based on a sample of 21 African-American adult males selected randomly from the population of African-American adult males. Ten of the 21 men were randomly assigned to a treatment condition that required them to take a calcium supplement for 12 weeks. The remaining 11 men received a placebo for the 12 weeks. At both the beginning and the end of this time period, systolic blood pressure readings of all men were recorded. These data are adapted from the Data and Story Library (DASL) website.

Keywords
datasets
Usage
Blood
Format

A data frame with 21 rows and 4 variables:

id

case number

treatmen

treatment condition

systolc1

initial blood pressure

systolc2

final blood pressure

Aliases
• Blood
Documentation reproduced from package sur, version 1.0.3, License: GPL (>= 2)

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