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1Center of Excellence for Occupational Health Engineering, Occupational Health and Safety Research Center, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
2Center of Excellence for Occupational Health Engineering, School of Public Health and Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran
3Department of Biostatistics and Epidemiology, School of Public Health and Modeling of Non-Communicable Diseases Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
©2018, Korean Society of Epidemiology
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Latent variable | R2 (%)1 | CV-Red | CV-Com |
---|---|---|---|
Workers’ violations | |||
Organizational influences | - | 0.38 | 0.38 |
Unsafe supervision | 15.48 | 0.09 | 0.67 |
Preconditions for unsafe acts | 23.25 | 0.24 | 0.99 |
Workers’ violations | 13.50 | 0.07 | 0.42 |
Workers’ errors | |||
Organizational influences | - | 0.37 | 0.37 |
Unsafe supervision | 18.10 | 0.09 | 0.42 |
Preconditions for unsafe acts | 22.32 | 0.23 | 0.99 |
Workers’ errors | 13.22 | 0.08 | 0.30 |
Criteria | 2.00, 13.00, and 26.00: small, medium, and large effect, respectively [30] | 0<CV-Red [31] |
Latent variable | Indicator | Description |
---|---|---|
Workers’ errors | Skill-based errors | Errors that occur in highly routine operations, due to workers’ attention deviation |
Decision errors | This error type occurs when the action of a worker is intentional, while the provided plan to achieve the desired outcome is inadequate | |
Perceptual errors | Errors that occur when the sensory input of a worker is degraded and an action is taken based on defective information | |
Workers’ violations | Routine violations | Habitual behavior of a worker that is tolerated by the management |
Exceptional violations | Violations committed by a worker in abnormal situations | |
Preconditions for unsafe acts | Environmental factors | A variety of issues involving conditions of the physical environment (e.g., heat and lighting) and technological environment (e.g., design of equipment) |
Condition of operator | Includes issues such as adverse mental states, adverse physiological states, and physical/mental limitations of workers | |
Personnel factors | Refers to lack of communication and teamwork among individuals | |
Unsafe supervision | Inadequate supervision | Refers to situations in which the provided supervision is not effective |
Planned inappropriate operation | Refers to operational tempo or work scheduling that puts workers at risk or affects their performance | |
Failed to correct known problem | Occurs when defects related to the safety domain such as equipment and staff are known to supervisors, yet are permitted to continue | |
Supervisory violations | The intentional disregard of supervisors for existing rules and instructions | |
Organizational influences | Resource management | The human, monetary, and equipment resources that management allocates to safety issues |
Organizational climate | Refers to the atmosphere within the organization such as culture, policies, and structure | |
Operational process | The formal process through which matters are carried out within the organization |
Latent variable | R2 (%) |
CV-Red | CV-Com |
---|---|---|---|
Workers’ violations | |||
Organizational influences | - | 0.38 | 0.38 |
Unsafe supervision | 15.48 | 0.09 | 0.67 |
Preconditions for unsafe acts | 23.25 | 0.24 | 0.99 |
Workers’ violations | 13.50 | 0.07 | 0.42 |
Workers’ errors | |||
Organizational influences | - | 0.37 | 0.37 |
Unsafe supervision | 18.10 | 0.09 | 0.42 |
Preconditions for unsafe acts | 22.32 | 0.23 | 0.99 |
Workers’ errors | 13.22 | 0.08 | 0.30 |
Criteria | 2.00, 13.00, and 26.00: small, medium, and large effect, respectively [30] | 0<CV-Red [31] |
CV-Red, cross-validated redundancy; CV-Com, cross-validated communality. R2 is only available for endogenous latent variables.