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Pollution; Exposure clinical trials

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NCT ID: NCT03552198 Completed - Health Behavior Clinical Trials

Improving the Behavioural Impact of Air Quality Alerts

Start date: July 23, 2017
Phase: N/A
Study type: Interventional

The evidence shows that adherence to air quality advice to adopt protective behaviours during pollution episodes is suboptimal, and that the traditional strategy of simply informing people about high pollution episodes is not effective. The aim of the present study was to investigate how to improve the behavioural impact of existing air quality alert messages through a systematic manipulation of key communication variables, including perceived susceptibility, self-efficacy, response efficacy, planning, message specificity, etc. Users of an existing air quality alert smartphone application in London, who agreed to take part in the study, were randomly allocated to a control group (i.e. receiving usual health advice associated with the official UK Air Quality Index) or an intervention group receiving health advice associated with air quality alerts in an alternative format (i.e. targeting key variables). Both intended and actual adherence behaviours were investigated. Qualitative data were also collected to understand the reasons for not adopting protective behaviours in response to receiving a real air pollution alert. Implications of this study include the potential to increase protective behaviours in the general population during air pollution episodes through the development of more effective communication strategies provided via existent air quality alert systems.

NCT ID: NCT03379298 Completed - Diet Habit Clinical Trials

Children's Health Study Diet and Air Pollution

CHS DIET
Start date: January 1, 1994
Phase: N/A
Study type: Observational

This study is built upon the existing data in the Children's Health Study to examine the longitudinal association between childhood exposure to air pollutants and changes in diet among adolescents.

NCT ID: NCT03351504 Completed - Hypertension Clinical Trials

Solar Lighting to Reduce Indoor Air Pollution in Rural Uganda

Start date: February 7, 2018
Phase: N/A
Study type: Interventional

This study evaluates the impact of a solar lighting system on kerosene lamp use, levels of indoor air pollution, and health in women living in rural Uganda. Half of the participants will receive the lighting systems immediately, while the other half will receive them after an 18 month delay.