Using Multiphase Optimization Strategy (MOST) to Optimize a Cost-effective, Sustainable and Scalable Smoking Cessation Package for Smokers in HIV Clinical Care

Inclusion Criteria: * Status as HIV+ * Age 18 or older * Currently smokes ≥ 5 CPD, on average, in past month * Positive for salivary cotinine * Able to understand the nature of the study and the consenting process * Is engaged in HIV clinical care * Living in larger NYC metropolitan area currently and for the next 6-8 months Exclusion Criteria: * Suffers from any medical condition or contraindication precluding use of nicotine replacement therapy * Current use of any tobacco cessation medications (varenicline, NRT patch, nicotine gum, lozenge, spray or inhaler, or bupropion) * Currently participating in a smoking cessation program * Pregnant or nursing and plans to be in next 6 months * Has schizophrenia/schizo-affective disorder * Does not have a functioning mobile phone that can receive text messages