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Research on the construction of heat wave-health early warning models ranked by population health risk under high concentrations of ozone pollution

Research on the construction of heat wave-health early warning models ranked by population health risk under high concentrations of ozone pollution

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500106249
Enrollment
Unknown
Registered
2025-07-21
Start date
2025-07-24
Completion date
Unknown
Last updated
2025-08-18

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

Conditions

Sensitive Health Endpoints Associated with Ozone–Heat Co-exposure

Interventions

Intervention group:Early-Warning and Individualized Intervention for Compound Health Risks from High Ozone and Heat-Wave Exposure
control group:No intervention

Sponsors

National Institute of Environmental Health, Chinese Center for Disease Control and Prevention
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Permanent resident (having lived in the area for at least six months) with no plans to travel outside the area in the next six months; 2. Willing to participate and demonstrates good compliance; maintains a regular daily routine throughout the study period; 3. Aged 60–74 years; 4. Possesses basic literacy and reading comprehension; 5. Uses a smartphone.

Exclusion criteria

Exclusion criteria: 1. Visual, hearing, or speech impairments that preclude completion of the questionnaire. 2. Severe mental or physical illness that would interfere with receiving or acting on early-warning interventions. 3. Current personal smoking or alcohol abuse, or household members who smoke. 4. Households where indoor air pollution is high due to incense burning, moxibustion, or similar practices during the study period. 5. Retired individuals who have been rehired. 6. Individuals concurrently participating in any other air-pollution intervention trial. 7. Individuals holding any form of part-time employment. 8. Unwillingness to participate in the survey. 9. Individuals who do not own or cannot independently use a smartphone.

Design outcomes

Primary

MeasureTime frame
wearable-device monitoring indicators;Physical examination indicators;Urinary Internal Exposure Biomarkers;

Secondary

MeasureTime frame
Ozone–heat-wave co-exposure patterns;Ozone- and heat-wave-related knowledge, attitudes, and practices;Ozone- and heat-wave-related systemic symptoms;Healthcare-seeking patterns for ozone- and heat-wave-related illnesses;

Countries

China

Contacts

Public ContactChen Chen

National Institute of Environmental Health, Chinese Center for Disease Control and Prevention

chenchen3@nieh.chinacdc.cn+86 132 6318 5019

Outcome results

None listed

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