Respirable Crystalline Silica Exposure Occupational Exposure
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Individuals aged 18 to 60 years. 2. Workers engaged in stone related tasks in Sikhio District, Nakhon Ratchasima Province. 3. Participants must have at least six months of experience in their current task. 4. Participants must provide written informed consent before participating in the study.
Exclusion criteria
Exclusion criteria: 1. Individuals who are unable to provide informed consent. 2. Individuals with incomplete work history or exposure data that cannot be verified.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Agreement of silica exposure classification Approximately 1 month after study commencement Percentage of agreement and Cohen's Kappa statistic comparing the developed tool's risk levels (low, medium, high) against the reference evaluation standard. | — |
Secondary
| Measure | Time frame |
|---|---|
| Content validity of the qualitative exposure assessment tool Approximately 1 month Content Validity Index (CVI) or Index of Item Objective Congruence (IOC) evaluated by a panel of occupational health experts. | — |
Countries
Thailand
Contacts
Khon Kaen University