Creating Smokefree Living Together for Chinese Household Pairs

June 1, 2015 updated by: University of California, Davis

"Creating Smokefree Living Together": Smokefree Counseling Intervention for Chinese Smokers and Household Nonsmokers

This is a trial of household pairs of a Chinese smoker and nonsmoker randomized either to a smoke-free educational intervention or self-help control group. The smokefree educational intervention includes group education about smokefree environments and smoking cessation, follow-up phone calls, and tobacco exposure lab reports. The control group is referred to usual care with local in-language smoking cessation classes or quitline, and is otherwise assessment only. The investigators hypothesize that pairs in the intervention group will have higher rates of tobacco cessation and elimination of smoke exposure, compared to the control group.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

410

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • San Francisco, California, United States, 94133
        • Chinatown Public Health Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Self-identified Chinese Americans who primarily speak Chinese
  • Self-identified current smoker men and nonsmoker women
  • Pair lives in same household

Exclusion Criteria:

  • Current smoker women
  • Nonsmoker men

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
No Intervention: Usual care
Household pairs that are assessment only and receive usual care of local in-language smoking cessation resource referral including quitline.
Experimental: Smokefree counseling
Household pairs assigned to smokefree counseling intervention, consisting of group education sessions, tobacco exposure lab report, individual follow-up phone calls.
Behavioral: Smokefree counseling
Smokefree counseling intervention involves group education sessions, follow-up phone calls, tobacco exposure lab report. Comparison is usual care with referral to local in-language smoking cessation services including quitline.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Smoking cessation
Time Frame: 12 months
12 months
Elimination of secondhand smoke exposure
Time Frame: 12 months
Nonsmoker
12 months
Urine NNAL (4-(Methylnitrosamine)-1-(3-pyridyl)-1-butanol)
Time Frame: 12 months
Smoker and nonsmoker; NNAL is a tobacco-specific carcinogen
12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Cigarette consumption
Time Frame: 12 months
Smoker
12 months
Rule for no smoking in home
Time Frame: 12 months
Smoker and nonsmoker
12 months
Reduction in secondhand smoke exposure
Time Frame: 12 months
12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of California, Davis

Collaborators

University of California, San Francisco

Investigators

  • Principal Investigator: Elisa K Tong, MD, MA, University of California, Davis

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

April 1, 2012

Primary Completion (Actual)

May 1, 2015

Study Completion (Actual)

May 1, 2015

Study Registration Dates

First Submitted

April 26, 2012

First Submitted That Met QC Criteria

May 3, 2012

First Posted (Estimate)

May 7, 2012

Study Record Updates

Last Update Posted (Estimate)

June 3, 2015

Last Update Submitted That Met QC Criteria

June 1, 2015

Last Verified

June 1, 2015

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • 261778
  • RSGT-10-114-01-CPPB (Other Grant/Funding Number: American Cancer Society)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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