Financial incentives for smoking cessation in low-income smokers

Not Applicable

Completed

Conditions: Smoking, tobacco dependence, nicotine addiction
Mental and Behavioural Disorders

Registration Number: ISRCTN04019434

Lead Sponsor: niversity of Geneva (Switzerland)

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Completed

Sex: All

Target Recruitment: 1050

Inclusion Criteria

1. >18 years old
2. Taxable income <30,000 CHF for single taxpayers and <95,000 CHF for married taxpayers, proven by most recent fiscal taxation
3. Smokes at least 5 cigarettes per day, every day
4. Has smoked for at least 1 year
5. Baseline CO reading of at least 10 ppm
6. Baseline saliva cotinine reading of NicAlert level 1 or higher (>=10 ng/mL)
7. Sets a quit date within one month and commits to quit at that date by signing the quit contract
8. Commits to take part in all follow-up surveys and in all biochemical tests of abstinence
9. Declares to understand and to accept the control group procedure
10. Signs informed consent form at each line
11. Shows identity document with photo (a copy will be kept in our records)
12. Has regular access to Internet and e-mail
13. Commits to read e-mail daily during the study
14. Valid e-mail address, postal address and telephone number

Exclusion Criteria

Does not meet inclusion criteria

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Continuous smoking abstinence between 6 and 18 months, that is, self-report of no puff of tobacco in the previous 7 days at 6 months plus self-report of no smoking between the 6 and 18-month surveys, not contradicted by CO, cotinine and thiocyanate measurements.

Secondary Outcome Measures

Name	Time	Method
1. Biochemically confirmed point prevalence of abstinence after 3, 6 and 18 months<br>2. Abstinence at 3, 6 and 18 months using the Russell Standard, a recently suggested standard for smoking cessation trials<br>3. Quit attempts during the intervention phase (number, duration and dates)<br>4. Cigarette consumption, motivation to quit, confidence in ability to quit<br>5. Use of the online smoking cessation program