uis: UIS Drug Treatment study data

In quantreg: Quantile Regression

UIS Drug Treatment study data

Description

There are 628 data points in the original data, 575 of which have no missing values.

Variable descriptions:

Variable	Description	Codes/Values
ID	Identification Code	1 - 628
AGE	Age at Enrollment	Years
BECK	Beck DepressionScore	0.000 - 54.000
HC	Heroin/Cocaine Use During	1 = Heroin & Cocaine
	3 Months Prior to Admission	2 = Heroin Only
		3 = Cocaine Only
		4 = Neither Heroin nor Cocaine
IV	History of IV Drug Use	1 = Never
		2 = Previous
		3 = Recent
NDT	Number of Prior Drug Treatments	0 - 40
RACE	Subject's Race	0 = White
		1 = Non-White
TREAT	Treatment Randomization	0 = Short
	Assignment	1 = Long
SITE	Treatment Site	0 = A
		1 = B
LEN.T	Length of Stay in Treatment	Days
	(Admission Date to Exit Date)
TIME	Time to Drug Relapse	Days
	(Measured from Admission Date)
CENSOR	Event for Treating Lost to	1 = Returned to Drugs
	Follow-Up as Returned to Drugs	or Lost to Follow-Up
		0 = Otherwise
Y	log of TIME
ND1	Component of NDT
ND2	Component of NDT
LNDT
FRAC	Compliance fraction	LEN.T/90 for short trt
		LEN.T/180 for long trt
IV3	Recent IV use	1 = Yes
		0 = No

Usage

data(uis)

Format

A data frame with dimension 575 by 18.

Source

Table 1.3 of Hosmer,D.W. and Lemeshow, S. (1998)

References

Hosmer,D.W. and Lemeshow, S. (1998) Applied Survival Analysis: Regression Modeling of Time to Event Data, John Wiley and Sons Inc., New York, NY

quantreg documentation built on Oct. 22, 2024, 5:07 p.m.