An Internet-based Dialectical Behaviour Therapy-informed Skills Training for Promoting Smoking Cessation and Improving Psychological Distress of Adult Smokers.

Effect of an Internet-based Dialectical Behaviour Therapy-informed Skills Training for Promoting Smoking Cessation and Improving Psychological Distress of Smokers: A Pilot Randomised Controlled Trial

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

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