Family intervention to reduce second hand smoke (SHS) exposure in childre

Not Applicable

Completed

Conditions: Passive smoking in children
Respiratory

Registration Number: ISRCTN99111655

Lead Sponsor: Flight Attendant Medical Research Institute (USA)

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Completed

Sex: All

Target Recruitment: 1152

Inclusion Criteria

1. Non-smoking mother aged 18 or above taking her infant to the MCHC
2. Father aged 18 or above smokes one or more cigarettes daily in the past 30 days
3. Father, mother and infant are living together in the same household in the past 7 days
4. Father resides in Hong Kong for at least 5 days a week
5. Both father and mother can communicate in Cantonese

Exclusion Criteria

Father is undergoing other smoking cessation programme

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
1. Child: reduction of infant?s household SHS exposure measured: <br>1.1. Directly by a decrease in saliva nicotine level <br>1.2. Indirectly by improving of family smoking hygiene<br>1.3. Indirectly by reducing health care utilization in particular lower respiratory illnesses in infants at 12 months<br>2. Mother: <br>2.1. Reduction of mother?s household SHS exposure <br>2.2. Mother?s execution of the household no-smoking policy at 12 months.<br>3. Father: <br>3.1. The self-reported 12-month quit rates <br>3.2. The validated 12-month quit rates (7-day point prevalence) of the smoking fathers (defined as not smoking during the 7 days preceding the 12-month follow-up). The 7-day point prevalence is considered to be a reliable measure as most major trials have reported solely the point prevalence

Secondary Outcome Measures

Name	Time	Method
1. Father: <br>1.1. 7 day point prevalence self report quit rate at 6-months <br>1.2. Continuous self-report quit rate at 6-months and 12-months (defined as continuously not smoking during the 12 months preceding the 12-months follow-up)<br>1.3. Father?s smoking reduction (by at least 50% compared to baseline) at 6-month and 12-month<br>1.4 Father?s progress in the stage of readiness to quit at 6-month and 12-month<br>1.5. Quit attempt<br>2. Cost-effectiveness: <br>2.1. Costs incurred includes cost of training the nurses<br>2.2. Cost of delivering the intervention<br>2.3. Cost of free and discounted nicotine replacement therapy <br>2.4. Cost of providing self help literature to the fathers<br>2.5. Cost per quitter and cost per one less hospitalization among infants will be calculated