The primary purpose of this investigation is to determine the predictive value of task persistence as measured by a mirror tracing task. A secondary purpose is to evaluate differences in task persistence in smokers with or without schizophrenia. It is hypothesized that task persistence in smokers in both diagnostic categories (schizophrenia and no schizophrenia) will predict tobacco dependence treatment outcome at one and six months. It is also hypothesized that smokers with schizophrenia will show lower levels of task persistence after controlling for other motor skills than smokers without schizophrenia.
Please see brief summary above.
Study Type
OBSERVATIONAL
Enrollment
203
UMDNJ Tobacco Dependence Clinic
New Brunswick, New Jersey, United States
Mirror-tracing Persistence (in Seconds)
Number of seconds participants continued working on a mirror tracing task before giving up.
Time frame: baseline
Persistence as a Prospective Predictor of Smoking Cessation
Analysis of Generalized Estimating Equations (GEE) parameter estimates based on empirical standard error estimates, using an exchangeable working correlation structure, with smoking abstinence as outcome variable, and task persistence, time, diagnosis, ability, Fagerstrom Test for Nicotine Dependence (FTND) score, and the interaction between disorder and persistence as explanatory variables.
Time frame: 6 months
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