Study on Intervention Effect of Heat-related Health Risk Early Warning Digital Technology for School-age Children
2026年6月9日 更新者：Tiantian Li、Centers for Disease Control and Prevention, China
This cluster randomized trial is conducted in Beijing primary schools to evaluate the efficacy of a WeChat mini-program-based high-temperature early warning intervention on the physical and cognitive health of school-age children.
Six participating schools are randomly assigned to two parallel groups.
The intervention group receives tiered heat alerts and guided self-health monitoring via the mini-program.
The control group follows standard daily school and family routines, with no dedicated digital high-temperature early-warning intervention.
The primary outcome is children's executive function after a 2.5-month follow-up.
A range of secondary indicators related to physical status, mental health and health behaviors are assessed concurrently to quantify the intervention's benefits in mitigating adverse health outcomes caused by high temperatures.
研究概览
地位
尚未招聘
详细说明
This pilot study is conducted in Beijing, with 6 primary schools selected as research sites. A stratified cluster randomized controlled design is adopted, with schools as the unit of randomization. Eligible primary schools are randomly assigned to the intervention group and the control group, with 3 schools in each group.
A total of 5 Wisconsin Card Sorting Tests (WCST), 2 health examinations, 2 children's high-temperature protection themed drawing activities, and 5 mini-program questionnaire surveys will be conducted in this study.
The intervention group receives a digital intervention of high-temperature health risk early warning. The research team uses a WeChat mini-program to release corresponding high-temperature health risk level information, health tips, protection science popularization information and other early warning content when the high-temperature health risk level reaches yellow, orange or red, and simultaneously pushes them to head teachers and parents.
The monitoring and survey schedule for the intervention group during the study period is as follows: at baseline and endpoint, unified offline WCST and health examinations will be conducted for children once each, accompanied by one online mini-program questionnaire survey each time. One children's high-temperature protection themed drawing activity will be organized at baseline and at the end of the 3rd month after the intervention, and the works will be uploaded to the mini-program for check-in. At the end of the 1st, 2nd and 3rd months after the intervention, one online follow-up questionnaire and WCST will be completed each month, together with check-in. Meanwhile, blood pressure will be monitored once a week, and daily blood pressure monitoring and check-in will be carried out after each high-temperature health risk early warning release. In addition, after the release of high-temperature health risk early warnings, the intervention group is required to complete check-in for reading and transmitting early warning information, health tips and protection science popularization content, as well as online mini-program surveys on children's awareness of high-temperature health risk early warning information and short-term behavioral patterns. The above WCST and questionnaire surveys will be completed by children with parental assistance; blood pressure monitoring and check-in are the responsibility of head teachers during non-summer vacations and parents during summer vacations.
The control group does not receive the high-temperature health risk early warning intervention and will only complete the corresponding WCST, health examinations, questionnaire surveys and blood pressure monitoring.
研究类型
介入性
注册 (估计的)
200
阶段
- 不适用
联系人和位置
本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。
学习联系方式
- 姓名：Tiantian Li, PhD
- 电话号码：010-50930213
- 邮箱：litiantian@nieh.chinacdc.cn
研究联系人备份
- 姓名：TianTian LI, Study Director
- 电话号码：010-50930213
- 邮箱：litiantian@nieh.chinacdc.cn
参与标准
研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
- 孩子
接受健康志愿者
是的
描述
School inclusion criteria
- Willing to participate in the study.
- Possess adequate facilities and qualified teaching staff.
- The school and teachers maintain good cooperation.
- Class size is no less than 35 students.
- All participating classrooms are equipped with air conditioners.
Participant inclusion criteria
- Fourth-grade primary school students aged 9 to 11, of all genders.
- Voluntary participation by students and their parents, good compliance, and signed informed consent.
- At least one adult family member has an internet-enabled mobile device.
- Good general health with no history of severe physical or mental disorders.
- Local permanent residents with a residency of no less than 6 months.
Participant exclusion criteria
- Participants who are unable or refuse to complete required examinations.
- Students receiving psychological or psychiatric treatment that may confound the study results.
- Those currently enrolled in other interventional clinical studies that may affect outcome assessment.
- Any other conditions deemed ineligible by the research team. Any participant meeting any of the above exclusion criteria will be excluded from the study.
学习计划
本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。
研究是如何设计的？
设计细节
- 主要用途：预防
- 分配：随机化
- 介入模型：并行分配
- 屏蔽：双倍的
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
|
无干预：Control Group
The control group does not receive the mini-program-based high-temperature health risk early warning intervention.
|
|
|
实验性的：WeChat Mini-program Heat Health Early Warning Intervention Group
Participants receive tiered yellow, orange and red heat risk alerts and heat protection guidance via the WeChat Mini Program once alerts are issued due to high temperatures.
Teachers and parents share health promotion tips with enrolled children.
Mandatory mini-program check-ins and routine health monitoring are implemented throughout the 2.5-month intervention.
|
This study implements a digital early warning intervention targeting children's high-temperature health risks.
During the intervention period, when the high-temperature health risk level reaches yellow, orange or red, relevant risk information, health tips and heat protection education materials are released to parents and head teachers via the WeChat mini-program.
Parents or teachers pass on the warning information to participating children.
During non-summer periods, Beijing's high-temperature early warning information is pushed to head teachers and parents via the WeChat mini-program; during summer vacation, location-specific early warning information is sent to parents.
All recipients are required to pass on the information to children promptly upon receipt.
|
研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
The primary outcome is the comprehensive total score of children's executive function constructed based on the Wisconsin Card Sorting Test (WCST)
大体时间：at 2.5 months of intervention.
|
The only primary outcome of this study is the composite score of cognitive executive function derived from the Wisconsin Card Sorting Test (WCST) via the TOPSIS method.
All WCST absolute indicators and sub-dimensions are sub-indicators instead of independent outcomes.
The WCST indicators are grouped into three sub-dimensions: conceptual thinking (Total Correct, Total Errors, Nonperseverative Errors, Conceptual Level Responses, Categories Completed), perseveration (Perseverative Responses, Perseverative Errors), and set maintenance (Failure to Maintain Set).
Negative indicators are converted using the formula (x' = Max(x) - x).
After Z-score normalization, the decision matrix is established, positive and negative ideal solutions are identified, and Euclidean distances and relative closeness are computed.
The resulting relative closeness value is taken as the final composite score of cognitive executive function, the single primary outcome of this study.
|
at 2.5 months of intervention.
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Systolic Blood Pressure
大体时间：at 2.5 months of intervention
|
Systolic Blood Pressure measured in mmHg
|
at 2.5 months of intervention
|
|
Diastolic Blood Pressure
大体时间：at 2.5 months of intervention
|
Diastolic blood pressure measured in mmHg
|
at 2.5 months of intervention
|
|
Heart Rate
大体时间：at 2.5 months of intervention
|
Resting heart rate measured in beats per minute (bpm)
|
at 2.5 months of intervention
|
|
Forced Expiratory Volume in 1 second (FEV1)
大体时间：at 2.5 months of intervention
|
Pulmonary function indicator measured in liters (L)
|
at 2.5 months of intervention
|
|
Forced Vital Capacity (FVC)
大体时间：at 2.5 months of intervention
|
Pulmonary function indicator measured in liters (L)
|
at 2.5 months of intervention
|
|
Peak Expiratory Flow (PEF)
大体时间：at 2.5 months of intervention
|
Pulmonary function indicator measured in liters per second (L/s)
|
at 2.5 months of intervention
|
|
Forced Expiratory Flow 25-75% (FEF25-75%)
大体时间：at 2.5 months of intervention
|
Mid-expiratory flow measured in liters per second (L/s)
|
at 2.5 months of intervention
|
|
Fractional Exhaled Nitric Oxide (FeNO50)
大体时间：at 2.5 months of intervention
|
Exhaled nitric oxide level at 50 mL/s flow rate, measured in parts per billion (ppb)
|
at 2.5 months of intervention
|
|
Fractional Exhaled Nitric Oxide (FeNO200)
大体时间：at 2.5 months of intervention
|
Exhaled nitric oxide level at 200 mL/s flow rate, measured in parts per billion (ppb)
|
at 2.5 months of intervention
|
|
Calcium Nitric Oxide (CaNO)
大体时间：at 2.5 months of intervention
|
Airway nitric oxide parameter measured in ppb
|
at 2.5 months of intervention
|
|
Fractional Expiratory Carbon Monoxide (FeCO)
大体时间：at 2.5 months of intervention
|
Exhaled carbon monoxide level measured in parts per million (ppm)
|
at 2.5 months of intervention
|
|
Body Fat Percentage
大体时间：at 2.5 months of intervention
|
Body fat percentage measured by bioelectrical impedance analysis
|
at 2.5 months of intervention
|
|
Total Body Water
大体时间：at 2.5 months of intervention
|
Total body water measured in liters (L)
|
at 2.5 months of intervention
|
|
Inorganic Salts
大体时间：at 2.5 months of intervention
|
Inorganic salt content measured in kilograms (kg)
|
at 2.5 months of intervention
|
|
Basal Metabolic Rate (BMR)
大体时间：at 2.5 months of intervention
|
Basal metabolic rate measured in kilocalories per day (kcal/day)
|
at 2.5 months of intervention
|
|
Body Weight
大体时间：at 2.5 months of intervention
|
Body weight measured in kilograms (kg)
|
at 2.5 months of intervention
|
|
High-Temperature Health KAP Score
大体时间：at 2.5 months of intervention
|
Knowledge, Attitude, and Practice (KAP) score on high-temperature health
|
at 2.5 months of intervention
|
|
High-Temperature Health Cognition and Protection Behavior Drawing Score
大体时间：at 2.5 months of intervention
|
Drawing-based score of children's cognition and protective behaviors for high-temperature health
|
at 2.5 months of intervention
|
|
Short-Term Behavioral Pattern Score
大体时间：at 2.5 months of intervention
|
Score of children's short-term behavioral patterns related to heat health
|
at 2.5 months of intervention
|
|
SAS Anxiety Scale Score
大体时间：at 2.5 months of intervention
|
Self-rating Anxiety Scale (SAS) score for children's anxiety symptoms
|
at 2.5 months of intervention
|
|
CDI Children's Depression Scale Score
大体时间：at 2.5 months of intervention
|
Children's Depression Inventory (CDI) score for depressive symptoms
|
at 2.5 months of intervention
|
|
SGRQ Respiratory Symptom Scale Score
大体时间：at 2.5 months of intervention
|
St. George's Respiratory Questionnaire (SGRQ) score for respiratory symptoms
|
at 2.5 months of intervention
|
|
School Absenteeism Days
大体时间：at 2.5 months of intervention
|
Number of school absenteeism days during the study period
|
at 2.5 months of intervention
|
|
Academic Performance
大体时间：at 2.5 months of intervention
|
Scores of children's academic examinations
|
at 2.5 months of intervention
|
|
Heat-Related Illness Incidence
大体时间：at 2.5 months of intervention
|
Occurrence frequency of heat-related illnesses in children
|
at 2.5 months of intervention
|
|
Gastrointestinal Diseases Incidence
大体时间：at 2.5 months of intervention
|
Occurrence frequency of gastrointestinal diseases in children
|
at 2.5 months of intervention
|
|
Respiratory Diseases Incidence
大体时间：at 2.5 months of intervention
|
Occurrence frequency of respiratory diseases in children
|
at 2.5 months of intervention
|
|
Allergies Incidence
大体时间：at 2.5 months of intervention
|
Occurrence frequency of allergies in children
|
at 2.5 months of intervention
|
|
Accidental Injuries Incidence
大体时间：at 2.5 months of intervention
|
Occurrence frequency of accidental injuries in children
|
at 2.5 months of intervention
|
|
Early Warning Information Check-in Rate
大体时间：at 2.5 months of intervention
|
Check-in rate of early warning information received by the intervention group
|
at 2.5 months of intervention
|
合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
出版物和有用的链接
负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。
一般刊物
- He M, Xiang F, Zeng Y, Mai J, Chen Q, Zhang J, Smith W, Rose K, Morgan IG. Effect of Time Spent Outdoors at School on the Development of Myopia Among Children in China: A Randomized Clinical Trial. JAMA. 2015 Sep 15;314(11):1142-8. doi: 10.1001/jama.2015.10803.
- Lei J, Sun Q, Chen R, Zhu Y, Zhou L, Xue X, Fang J, Du Y, Wang Y, Li T, Kan H. Respiratory Benefits of Multisetting Air Purification in Children: A Cluster Randomized Crossover Trial. JAMA Pediatr. 2025 Feb 1;179(2):122-128. doi: 10.1001/jamapediatrics.2024.5049.
- Wang Y, Sun Y, Ban J, Fang J, Sun Q, Du Y, Liu Y, Dong H, Wang Q, Chen C, Zhang Y, Ma R, Chen R, Kan H, Li T. Cognitive benefits of air purification among schoolchildren: A randomized, double-blind, crossover trial. Innovation (Camb). 2026 Feb 5;7(5):101304. doi: 10.1016/j.xinn.2026.101304. eCollection 2026 May 4.
- Pan CY, Tsai CL, Chu CH, Sung MC, Huang CY, Ma WY. Effects of Physical Exercise Intervention on Motor Skills and Executive Functions in Children With ADHD: A Pilot Study. J Atten Disord. 2019 Feb;23(4):384-397. doi: 10.1177/1087054715569282. Epub 2015 Feb 2.
- Assari S, Zare H. Extreme Heat Exposure is Associated with Lower Learning, General Cognitive Ability, and Memory among US Children. Open J Neurosci. 2025;3(1):10-22. doi: 10.31586/ojn.2025.1277. Epub 2025 Jan 10.
- Perera F, Nadeau K. Climate Change, Fossil-Fuel Pollution, and Children's Health. N Engl J Med. 2022 Jun 16;386(24):2303-2314. doi: 10.1056/NEJMra2117706. No abstract available.
- Romanello M, Napoli CD, Green C, Kennard H, Lampard P, Scamman D, Walawender M, Ali Z, Ameli N, Ayeb-Karlsson S, Beggs PJ, Belesova K, Berrang Ford L, Bowen K, Cai W, Callaghan M, Campbell-Lendrum D, Chambers J, Cross TJ, van Daalen KR, Dalin C, Dasandi N, Dasgupta S, Davies M, Dominguez-Salas P, Dubrow R, Ebi KL, Eckelman M, Ekins P, Freyberg C, Gasparyan O, Gordon-Strachan G, Graham H, Gunther SH, Hamilton I, Hang Y, Hanninen R, Hartinger S, He K, Heidecke J, Hess JJ, Hsu SC, Jamart L, Jankin S, Jay O, Kelman I, Kiesewetter G, Kinney P, Kniveton D, Kouznetsov R, Larosa F, Lee JKW, Lemke B, Liu Y, Liu Z, Lott M, Lotto Batista M, Lowe R, Odhiambo Sewe M, Martinez-Urtaza J, Maslin M, McAllister L, McMichael C, Mi Z, Milner J, Minor K, Minx JC, Mohajeri N, Momen NC, Moradi-Lakeh M, Morrissey K, Munzert S, Murray KA, Neville T, Nilsson M, Obradovich N, O'Hare MB, Oliveira C, Oreszczyn T, Otto M, Owfi F, Pearman O, Pega F, Pershing A, Rabbaniha M, Rickman J, Robinson EJZ, Rocklov J, Salas RN, Semenza JC, Sherman JD, Shumake-Guillemot J, Silbert G, Sofiev M, Springmann M, Stowell JD, Tabatabaei M, Taylor J, Thompson R, Tonne C, Treskova M, Trinanes JA, Wagner F, Warnecke L, Whitcombe H, Winning M, Wyns A, Yglesias-Gonzalez M, Zhang S, Zhang Y, Zhu Q, Gong P, Montgomery H, Costello A. The 2023 report of the Lancet Countdown on health and climate change: the imperative for a health-centred response in a world facing irreversible harms. Lancet. 2023 Dec 16;402(10419):2346-2394. doi: 10.1016/S0140-6736(23)01859-7. Epub 2023 Nov 14.
- Ebi KL, Capon A, Berry P, Broderick C, de Dear R, Havenith G, Honda Y, Kovats RS, Ma W, Malik A, Morris NB, Nybo L, Seneviratne SI, Vanos J, Jay O. Hot weather and heat extremes: health risks. Lancet. 2021 Aug 21;398(10301):698-708. doi: 10.1016/S0140-6736(21)01208-3.
- Liu Z, Gao P, Gao AY, Lin Y, Feng XX, Zhang F, Xu LQ, Niu WY, Fang H, Zhou S, Li WH, Yuan JH, Xu CX, Wu N, Li HJ, Wen LM, Patton GC, Wang HJ, Wu YF. Effectiveness of a Multifaceted Intervention for Prevention of Obesity in Primary School Children in China: A Cluster Randomized Clinical Trial. JAMA Pediatr. 2022 Jan 1;176(1):e214375. doi: 10.1001/jamapediatrics.2021.4375. Epub 2022 Jan 4.
- Shinde S, Weiss HA, Varghese B, Khandeparkar P, Pereira B, Sharma A, Gupta R, Ross DA, Patton G, Patel V. Promoting school climate and health outcomes with the SEHER multi-component secondary school intervention in Bihar, India: a cluster-randomised controlled trial. Lancet. 2018 Dec 8;392(10163):2465-2477. doi: 10.1016/S0140-6736(18)31615-5. Epub 2018 Nov 22.
研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始 (估计的)
2026年6月1日
初级完成 (估计的)
2026年9月1日
研究完成 (估计的)
2026年9月1日
研究注册日期
首次提交
2026年6月3日
首先提交符合 QC 标准的
2026年6月9日
首次发布 (实际的)
2026年6月11日
研究记录更新
最后更新发布 (实际的)
2026年6月11日
上次提交的符合 QC 标准的更新
2026年6月9日
最后验证
2026年6月1日
更多信息
与本研究相关的术语
关键字
其他研究编号
- NIEH202643
计划个人参与者数据 (IPD)
计划共享个人参与者数据 (IPD)？
未定
药物和器械信息、研究文件
研究美国 FDA 监管的药品
不
研究美国 FDA 监管的设备产品
不
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.