pharmacoSmoking

Description

Randomized trial of triple therapy vs. patch for smoking cessation.

Usage

data("pharmacoSmoking")

Format

A data frame with 125 observations on the following 14 variables.

id

patient ID number

ttr

Time in days until relapse

relapse

Indicator of relapse (return to smoking)

grp

Randomly assigned treatment group with levels combination or patchOnly

age

Age in years at time of randomization

gender

Female or Male

race

black, hispanic, white, or other

employment

ft (full-time), pt (part-time), or other

yearsSmoking

Number of years the patient had been a smoker

levelSmoking

heavy or light

ageGroup2

Age group with levels 21-49 or 50+

ageGroup4

Age group with levels 21-34, 35-49, 50-64, or 65+

priorAttempts

The number of prior attempts to quit smoking

longestNoSmoke

The longest period of time, in days, that the patient has previously gone without smoking

Source

This data is from a clinical trial described in Steinberg et al. (2009)

References

Steinberg, M.B. Greenhaus, S. Schmelzer, A.C. Bover, M.T., Foulds, J., Hoover, D.R., and Carson, J.L. (2009) Triple-combination pharmacotherapy for medically ill smokers: A randomized trial. Annals of Internal Medicine 150, 447-454.

Examples

data(pharmacoSmoking)