Can extreme heat or cold raise the risk of workplace accidents?
NCT ID NCT07750782
First seen Aug 06, 2026 · Last updated Aug 07, 2026 · Updated 1 time
Summary
This study examines whether extreme temperatures, humidity, and wind speed are linked to the occurrence and severity of occupational injuries in Israel. Researchers will analyze data from over 350,000 workplace injuries that occurred between 2020 and 2024, matching each injury to weather conditions at the exact time and location. The goal is to see if certain weather patterns make workplace accidents more likely, which could help improve safety measures.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If a link is found, it could inform workplace safety guidelines and preventive measures during extreme weather conditions.
- What could go wrong
- This is an observational study, so it cannot prove cause and effect. The results may be influenced by other factors not accounted for, and the findings may not apply to other regions or climates.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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350,000 people
The number who actually took part.
- Started
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Jan 2020
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
The study population will include adults aged 18 years or older with occupational injuries recognized by the National Insurance Institute between January 1, 2020, and December 31, 2024. Eligible records will be selected from the national occupational-injury administrative database and assigned to one of seven predefined geographic-climatic regions according to the workplace or accident location. Environmental exposure will be determined by linking each injury date, time, and location to the nearest representative meteorological monitoring station. The study will include workplace, occupational-traffic, and commuting injuries meeting the prespecified eligibility criteria.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Individuals aged 18 years or older with an occupational injury recognized by the National Insurance Institute. * Occupational injury occurring between January 1, 2020, and December 31, 2024. * Injury occurring at the workplace, during occupational travel, or while commuting to or from work. * Valid injury date and geographic information sufficient to assign the accident to one of the seven predefined geographic-climatic regions and the nearest representative meteorological station. * Meteorological measurements available for the injury period and eligible matched control periods. For time-specific analyses, a valid recorded accident time permitting linkage to the closest preceding three-hour meteorological observation. Exclusion Criteria: * Occupational diseases, repetitive-exposure conditions, or gradual-onset disorders without a clearly defined accident date. * Rejected, withdrawn, or unconfirmed occupational-injury claims. * Missing or invalid accident date or geographic information preventing linkage with meteorological data. * Accidents occurring outside the predefined geographic-climatic regions or beyond the prespecified maximum distance from an eligible meteorological station. * Duplicate or administratively repeated records referring to the same occupational-injury event. * Injury events for which no eligible matched control periods or corresponding meteorological measurements are available. * Individuals younger than 18 years.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Israel National Insurance Institute
Rishon LeZiyyon, 7526557, Israel
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