NCT03387800

Brief Summary

The proposed RCT evaluates the efficacy of the aforementioned novel 2-month online smoking cessation intervention in increasing 7-day point prevalence quit rate over a 6-month follow-up period among Chinese adult smokers in Hong Kong.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
408

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Aug 2015

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2015

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2017

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

December 18, 2017

Completed
15 days until next milestone

First Posted

Study publicly available on registry

January 2, 2018

Completed
29 days until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2018

Completed
Last Updated

January 2, 2018

Status Verified

December 1, 2017

Enrollment Period

2 years

First QC Date

December 18, 2017

Last Update Submit

December 22, 2017

Conditions

Self EfficacyHealth Behavior

Keywords

randomized controlled trialsmoking cessationsocial supportpositive effectonline social networkingtheory-based

Outcome Measures

Primary Outcomes (1)

  • Self-reported 7-day point prevalence (pp) quit rate

    Self-reported 7-day point prevalence (pp) quit rate of smokers at 6 months post end-of-intervention

    6 months

Secondary Outcomes (5)

  • Number of cigarettes consumed per day as compared to that of the baseline

    6 months

  • Positive and Negative Affect Scale score

    6 months

  • Smoking Self-Efficacy Questionnaire score

    6 months

  • Subjective Norms Scale score

    6 months

  • Attitude Towards Smoking Scale score

    6 months

Study Arms (2)

WeChat interactive peer support group

EXPERIMENTAL

Participants will be grouped together by the researcher to form closed online peer support groups (with group names they choose). Activities on the WeChat groups serve two functions: i) It enhances social support among peer members toward smoking cessation. ii) The online support group also enhances the participants' positive affect.

Behavioral: Basic health education messagesBehavioral: WeChat interactive peer support group

Basic health education messages

ACTIVE COMPARATOR

Members of the control group will receive health education messages that will also be sent to the intervention group through WeChat. The messages include topics on physical and psychological aspects of perceived severity of smoking and perceived benefits of smoking cessation, and tips/skills on resisting situational temptations that may lead to relapse.

Behavioral: Basic health education messages

Interventions

Basic health education messagesBEHAVIORAL

Messages containing basic health education materials, including perceived severity of smoking, perceived benefit of smoking cessation and tips on resisting situational temptations will be sent to the participants of both arms through WeChat after randomization takes place.

Basic health education messagesWeChat interactive peer support group
WeChat interactive peer support groupBEHAVIORAL

Participants will be grouped together by the researcher to form closed online peer support groups (with group names they choose). Activities on the WeChat groups serve two functions: i) It enhances social support among peer members toward smoking cessation. ii) The online support group also enhances the participants' positive affect.

WeChat interactive peer support group

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Current smokers who have smoked at least one cigarette in the past seven days prior to the baseline survey
  • Age 18 years old or above
  • Able to communicate in Chinese (Cantonese)
  • Having access to a smart phone or mobile electronic devices and social networking media (WeChat), v) willing to be followed up (Months 3 and 6)
  • Should own a smart phone or a similar device

You may not qualify if:

  • Physically or mentally unfit
  • Having participated in smoking cessation programs (last six months)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Centre for Health Behaviours Research, the Chinese University of Hong Kong

Hong Kong, 666888, Hong Kong

Location

MeSH Terms

Conditions

Health BehaviorSmoking Cessation

Condition Hierarchy (Ancestors)

Behavior

Study Officials

  • Zixin Wang, PhD

    Chinese University of Hong Kong

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Research Assistant Professor

Study Record Dates

First Submitted

December 18, 2017

First Posted

January 2, 2018

Study Start

August 1, 2015

Primary Completion

July 31, 2017

Study Completion

January 31, 2018

Last Updated

January 2, 2018

Record last verified: 2017-12

Data Sharing

IPD Sharing
Will not share

Locations

HK(1)