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Stoke-on-Trent smokefree homes service evaluation

Stoke-on-Trent Smokefree Homes Service Evaluation: a stepped-wedge cluster randomised controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN98699098
Enrollment
80
Registered
2016-12-09
Start date
2016-09-01
Completion date
Unknown
Last updated
2021-05-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Self-reported home indoor tobacco smoking, 24hr indoor air pollution (PM2.5) concentration, and carbon monoxide concentration in exhaled air (all family members aged 16 years or older). Mental and Behavioural Disorders

Interventions

Receiving/participating in Smokefree Homes Service: 1. Telephone behavioural support 2 Self-help materials for 12 weeks plus Nicotine Replacement Therapy (NRT), sent by

Sponsors

University of Bristol
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Every household that has agreed to participate in the Smokefree Homes Service 2. Household members aged 16 years or older

Exclusion criteria

Exclusion criteria: 1. Not participating in Smokefree Homes Service 2. Younger than 16 years of age

Design outcomes

Primary

MeasureTime frame
Successful smokefree home at the end of follow-up (8 month maximum). The a priori cut-off to define “smokefree” is based on: 1.1. Self-reported cessation of smoking of all family members, assessed by a questionnaire OR 1.2. Self-reported cessation of indoor smoking (with or without use of nicotine patches), assessed by a questionnaire AND 2. Average 24-hr average PM2.5 indoor concentration <50% of pre-intervention measurement, measured using the air quality monitor Dylos DC1700

Secondary

MeasureTime frame
1. Pre/post intervention difference in 24-hr average indoor PM2.5 concentration, measured using the air quality monitor Dylos DC1700 2. Amount of carbon monoxide (CO) in exhaled air (as a measure of individual health benefit and to confirm self-reported smoking cessation. CO in exhaled air of family members will be measured using the Bedfont Micro+ Smokerlyzer Measured pre/post intervention.

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026