A randomized controlled trial to evaluate the effectiveness of smoking reduction interventions for smoking parents in paediatric hospital setting in Hong Kong.

This is a single blinded randomized controlled trial aiming to evaluate the effectiveness of smoking reduction interventions for smoking parents in paediatric hospital setting in Hong Kong. This trial consists of a 24-week intervention period. Eligible families will be randomly assigned to either intervention group or control group. Smoking parent(s) in intervention group will be given face-to-face counselling on smoking reduction and adherence to nicotine replacement therapy (NRT) with motivational interviews, provision of NRT and monthly phone follow-up for counselling and support. Smoking parent(s) in control group will be given standard advice and information on smoking cessation.

Inclusion Criteria:

• Ethnic Chinese family with children aged younger than 18 years of age.
• Children who are admitted to the paediatric inpatient units or attend the paediatric specialist clinic at the Prince of Wales Hospital.
• Children with at least one custodial smoking parent who is living with them.
• Written informed consent obtained from parents.

Exclusion Criteria:

• Families not residing in Hong Kong.
• Children in foster care.
• Children with unclear custody.
• Smoking paediatric patients.
• Presence of smoking household members apart from the parents.
• Smoking parent who is contraindicated to use nicotine replacement therapy.

Research study personnel who will conduct the data collection on outcome measures will be blinded to the group assignment. The researchers who will conduct the data analysis will also be blinded the group assignment.