Last data update: 2014.03.03
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R: UIS Drug Treatment study data
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
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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
Results
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