An Internet-based Dialectical Behaviour Therapy-informed Skills Training for Reducing Alcohol Consumption and Improving Psychological Distress of Adult Smokers.

Not Applicable

Not yet recruiting

Interventions: Behavioral: Internet-based dialectical behaviour therapy-informed skills training
Behavioral: Monthly health education

Brief Summary: 1. To determine the feasibility, acceptability, and preliminary effects of an internet-based DBT-ST for promoting smoking abstinence/reduction and improving psychological distress/emotional regulation in adult smokers

2. To explore the participants' experiences and perceptions (e.g., perceived benefits/weaknesses) towards the proposed intervention

Recruitment & Eligibility

Inclusion Criteria

Hong Kong Chinese aged 18-64 years
Had smoked at least one cigarette per day over the previous three months
Indicate psychological distress as measured by the Depression, Anxiety, and Stress Scale-21
Have an intention to stop smoking
Have an electronic device and are willing to receive interventions via the internet

Exclusion Criteria

Experiencing psychotic disorders/cognitive impairment/communication problems
Participating in other smoking cessation programs or related psychosocial interventions

Arm && Interventions

Group	Intervention	Description
DBT-ST group	Internet-based dialectical behaviour therapy-informed skills training	Participants in the intervention group will receive the DBT-ST by means of a free video-communication app. Over the next 14 weeks from the baseline, participants will receive two individual sessions (30-45 mins) and 12 group therapy sessions (120-minute)
TAU	Monthly health education	Participants in the control group will receive a smoking cessation booklet published by the Hong Kong Council on Smoking and Health that provided information on the negative health consequences of smoking, reasons to quit, strategies for quitting, smoking cessation services available in Hong Kong, and a public Quitline number (usual care). Participants will also receive a monthly health education for three months that provides general health information and sharing sessions, which is one of the routine care for smokers during the first 3-4 months after they seek help for smoking problem (waiting period for further intervention).

Primary Outcome Measures

Name	Time	Method
Biochemically validated 7-day PPA (an exhaled CO test and a salivary cotinine test)	Baseline, 3-month post-intervention	Participants who self-reported not smoking within the past seven days will be invited to attend a biochemical verification test of smoking abstinence
Level of psychological distress	Baseline, 3-month post-intervention	Symptoms of depression, anxiety and stress measured by the Chinese version of Depression, Anxiety, and Stress Scale-21

Secondary Outcome Measures

Name	Time	Method
Self-reported 7-day PPA	Baseline, 3-month post-intervention	Self-reporting of complete abstinence for at least seven days prior to assessment
Quit attempts	Baseline, 3-month post-intervention	The number of times that the participant engage in a period of intentional abstinence of more than 24 hours in the previous three months
Distress tolerance	Baseline, 3-month post-intervention	Perceived ability to tolerate emotional distress measured by the Chinese version of the Distress Tolerance Scale (DTS)
Self-reported smoking reduction of at least 50%	3-month post-intervention	Participants will report the number of cigarette they consume and the number will be compared to the number at baseline
Emotion dysregulation	Baseline, 3-month post-intervention	Levels of emotion dysregulation measured by the Chinese version of the Difficulties in Emotion Regulation Scale (DERS)

Receive instant email notifications about changes in this clinical trial

Receive instant email notifications about changes in this clinical trial