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Nicotine Tob Res. 2009 Sep;11(9):1025-34. doi: 10.1093/ntr/ntp090. Epub 2009 Jul 29.

International Spanish/English Internet smoking cessation trial yields 20% abstinence rates at 1 year.

Author information

  • 1Department of Psychiatry at San Francisco General Hospital, Latino Mental Health Research Program, and Internet World Health Research Center, University of California, San Francisco, San Francisco, CA 94110, USA. ricardo.munoz@ucsf.edu

Abstract

INTRODUCTION:

There are 1.1 billion smokers worldwide. Traditional smoking cessation methods, such as nicotine replacement therapy and smoking cessation groups, yield between 14% and 27% abstinence rates at 6 months. Evidence-based Internet interventions with comparable abstinence rates could be a powerful global tool to reduce tobacco-related morbidity and mortality.

METHODS:

We report a randomized control trial in which 500 Spanish-speaking and 500 English-speaking adult Internet users, smoking at least 5 cigarettes/day and intending to quit in the next month, were recruited online from 68 countries. Consenting participants who completed baseline measures, logged cigarettes smoked on 3 days within a week, and set a quit date were randomized to four conditions. Each condition added new elements: Condition 1 was the "Guía Para Dejar de Fumar," a static National Cancer Institute evidence-based stop smoking guide; Condition 2 consisted of Condition 1 plus E-mail reminders to return to the site; Condition 3 consisted of Condition 2 plus mood management lessons; and Condition 4 consisted of Condition 3 plus a "virtual group" (an asynchronous bulletin board). Main outcome measures were 7-day point prevalence abstinence at 1, 3, 6, and 12 months after initial quit date.

RESULTS:

There were no significant differences among the four conditions. The overall 12-month 7-day abstinence rates were 20.2% for Spanish speakers and 21.0% for English speakers when those with missing data were assumed to be smoking.

DISCUSSION:

Internet smoking cessation interventions with such abstinence rates provided globally in additional languages could contribute substantially to tobacco control efforts.

PMID:
19640833
[PubMed - indexed for MEDLINE]
PMCID:
PMC2725004
Free PMC Article

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