View clinical trials related to Indoor Air Quality.
Filter by:Study design: A cross-over single-blinded treatment design will be used. Participants will undergo 4 different conditions: (1) low air flow and 23°C, (2) low air flow and 35°C, (3) high air flow and 23°C, and (4) high air flow and 35°C. Participants will be blinded to the air quality level; however, it is not possible to blind them to the temperature condition, as they will be able to perceive it as different. Study population: The population consists of healthy young and middle-aged adults of both sexes between 18 and 40 years. Intervention (if applicable): Each participant undergoes 4 conditions in randomized order. Two conditions consist of poor air quality defined as 3,000 ppm carbon dioxide and 23°C or 35°C temperature, respectively.
The goal of this clinical trial is to learn about whether indoor air quality will improve over time in homes where occupants receive personalized information about levels of health-relevant air pollutants that includes practical, budget-friendly, and culturally relevant recommendations on actions they can take to improve their home's air quality. The rationale for the investigators' approach is that a rigorous intervention study design will generate robust evidence on the value of the in-home environmental data. Participating homes in both the intervention and control groups will receive three, one-week Home Health Box deployments spaced six weeks apart. After each of the first two deployments, homes in the intervention group will receive a Home Health Report with personalized information about in-home levels of health-relevant air pollutants and cost-sensitive recommendations on actions occupants can take to improve their home's air quality. The investigators will (a) investigate whether and how air quality changes over time in control and intervention homes and (b) survey intervention households on the utility of the Home Health Reports.
Outbreaks of emerging and re-remerging infectious diseases are frequently reported internationally in recent years, mainly due to global climate change, close human-livestock contact in developing countries, and globalization. Thus prevention, monitoring and control of infectious diseases are in urgent need to protect public health. High exposure risk to various infectious agents in health care facilities is of special concern, especially to airborne and droplet-borne respiratory diseases. To protect the health of public and health care workers the investigators will conduct a study to monitor indoor air quality and essential infectious aerosols in hospital(s). A questionnaire survey will be used to evaluate the relationships between employees' health and measured indoor environmental factors. The investigators will also examine whether the current indoor air quality recommendation of their country can reasonably reduce the risk of hospital infection. In addition, simple infectious aerosol indices will be established for future environmental management and monitoring in health care facilities.