Skip to content

Born in Bradford Breathes: evaluating the health, air quality and economic impact of a city wide intervention to improve air quality

Evaluating the life-course health impact of a city-wide system approach to improve air quality in Bradford, UK: A quasi-experimental study with implementation and process evaluation

Status
Active, not recruiting
Phases
Unknown
Study type
Unknown
Source
ISRCTN
Registry ID
ISRCTN67530835
Enrollment
500000
Registered
2020-07-06
Start date
2021-03-15
Completion date
Unknown
Last updated
2026-01-27

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

Conditions

Respiratory health, cardiovascular health, birth outcomes Respiratory

Interventions

The Bradford Clean Air Plan In order to address illegal levels of pollution within the City, Bradford Council have been directed by the UK Government to develop and implement the Bradford 'Clean Air
grants to retrofit polluting buses to CAZ standards
introduction of clean air standards for all Taxis registered in Bradford so only compliant vehicles can operate
grants and incentive schemes to encourage i) taxi drivers to upgrade to minimum CAZ standards (hackney carriages), petrol/hybrid (private hire vehicles), or electric (both), ii) HGV, LGV, Coach and mi
new park and ride facilities for up to 1000 vehicles /day
installation of alternative energy centre providing cost effective green refuelling/recharging facilities
travel planning with businesses to promote car sharing, active travel and public transport use amongst employees)
and an engagement programme to encourage a reduction in polluting heating sources with the CAZ boundary. We will explore changes in

Sponsors

Bradford Teaching Hospitals NHS Foundation Trust
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Living within Bradford District

Exclusion criteria

Exclusion criteria: Participants who move out of Bradford district during duration of the study.

Design outcomes

Primary

MeasureTime frame
Respiratory health of Bradford residents (as assessed by weekly counts of respiratory disease related emergency hospital or General Practice [GP] attendance) of children (aged <18), adults (aged 18-64) and older adults (aged 65+) at three years post implementation of the B-CAP

Secondary

MeasureTime frame
1. Cardiovascular health of Bradford residents (as assessed by weekly counts of cardiovascular disease related emergency hospital/GP attendance) of adults (aged 18-64) and older adults (aged 65+) assessed three years post implementation 2. Birth outcomes of babies born within Bradford such as low birth weight and preterm birth (assessed by monthly counts) assessed three years post implementation 3. Air quality (Nitrogen Dioxide, Particulate matter) collected using routine and bespoke monitoring assessed one year post implementation. From the process and implementation evaluation: 4. Intervention fidelity, adaptations, barriers and enablers to implementation, acceptability, adverse/unintended consequences, travel mode behaviour and attitudes assessed one year post implementation From the economic evaluation: 5. Key economic outcomes include healthcare resource use and costs, quality adjusted life years, distributional effects assessed 3 years post implementation

Countries

England, United Kingdom

Contacts

Public ContactEmily Nix
emily.nix@bthft.nhs.uk+44 (0)1274364474

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 10, 2026