Please select the eligibility criteria that correspond to the clinical trial below.
Title: Phase 2 Study of the Efficacy of Voucher-Based Incentives to Treat Pregnant Smokers
Brief Summary: The major goal of this project is to examine the efficacy of a voucher-based incentive program for promoting smoking cessation (Study 1) and preventing relapse (Study 2) during pregnancy and postpartum. Identifying efficacious interventions to increase cessation rates and decrease relapse among those who are able to quit is important to improving U.S. public health.


Options:
A: Inclusion Criteria:

* at least 18 years
* pregnant, gestation \<= 27 weeks
* cigarette smoking in the past week (even if only one puff)

Exclusion Criteria:

* inability to speak or understand spoken English
* do not intend to carry pregnancy to full term
* frank psychosis
B: Inclusion Criteria: Only women will participate in the proposed study, because the overarching aim is to develop efficacious treatments for smoking cessation and relapse prevention during pregnancy and early postpartum. All participants will be currently pregnant and report being smokers at the time of conception. Those in Study 1 will report continuing to smoke upon entering prenatal care. Those in Study 2 will report having already quit smoking upon entering prenatal care. Women must reside in the county in which the clinic is located, plan to reside in this geographical area through 6 months postpartum, be \< 25 weeks gestation, not be living in a group residence, English speaking, and not regularly receiving psychotropics other than antidepressants.

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Exclusion Criteria: Women receiving opioid substitution therapy will be excluded. In Vermont, minorities comprise 4% of the general population. There will be no exclusion criteria concerning race or ethnicity. In our studies during the prior funding period, approximately 5% of participants were minorities. We anticipate a similar sample in the proposed studies. We shall do all that we can to assure that minorities are included in the research.

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C: Inclusion Criteria:

* Current smoker of at least 10 cigarettes per week and at least 100 cigarettes over the course of a lifetime
* Residents of the study area in Nakhon Nayok province, which includes the six subdistricts of Klong Yai, Chumpon, Bueng San, Pak Phli, Khao Phoem, or Ongkharak

Exclusion Criteria:

* Pregnant
* Plans to leave the study area within the next 12 months
D: Inclusion Criteria:

* Clinical diagnosis of cocaine/methamphetamine dependence
* Smoked cigarettes for at least 3 months
* Currently smoking \> 6 cigarettes/day
* Have an interest in quitting smoking
* Enrolled in outpatient treatment at a participating site

Exclusion Criteria:

* Clinical diagnosis of current alcohol or sedative dependence, bipolar disorder; or a life-time diagnosis of anorexia nervosa or bulimia
* Seeking/receiving treatment for opiate-agonist replacement therapy
* Medical conditions that could compromise participant safety
* Taking medications with known/potential interactions with bupropion
* Hypersensitivity to bupropion, nicotine, or menthol
* Pregnant or breastfeeding
* Abnormal ECG
* Recent smoking cessation treatment
* Use of tobacco products other than cigarettes in the past week
* Likely to enter residential/inpatient treatment within 10 weeks
* Have all stimulant-positive urine drug screens during screening/baseline

Answer: B