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"Accidents, Occupational - prevention "
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Randomized, Prospective Study of the Impact of a Sleep Health Program on Firefighter Injury and Disability
Abstract
Study Objectives:
Firefighters’ schedules include extended shifts and long work weeks which cause sleep deficiency and circadian rhythm disruption. Many firefighters also suffer from undiagnosed sleep disorders, exacerbating fatigue. We tested the hypothesis that a workplace-based Sleep Health Program (SHP) incorporating sleep health education and sleep disorders screening would improve firefighter health and safety compared to standard practice.
Design:
Prospective station-level randomized, field-based intervention.
Setting:
US fire department.
Participants:
1189 firefighters.
Interventions:
Sleep health education, questionnaire-based sleep disorders screening, and sleep clinic referrals for respondents who screened positive for a sleep disorder.
Measurements and Results:
Firefighters were randomized by station. Using departmental records, in an intention-to-treat analysis, firefighters assigned to intervention stations which participated in education sessions and had the opportunity to complete sleep disorders screening reported 46% fewer disability days than those assigned to control stations (1.4 ± 5.9 vs. 2.6 ± 8.5 days/firefighter, respectively; p = .003). There were no significant differences in departmental injury or motor vehicle crash rates between the groups. In post hoc analysis accounting for intervention exposure, firefighters who attended education sessions were 24% less likely to file at least one injury report during the study than those who did not attend, regardless of randomization (OR [95% CI] 0.76 [0.60, 0.98]; χ2 = 4.56; p = .033). There were no significant changes pre- versus post-study in self-reported sleep or sleepiness in those who participated in the intervention.
Conclusions:
A firefighter workplace-based SHP providing sleep health education and sleep disorders screening opportunity can reduce injuries and work loss due to disability in firefighters.
Journal Article
STEPS to safety culture excellence
Provides a clear road map to instilling a culture of safety excellence in any organization Did you know that accidental injury is among the top ten leading causes of death in every age group? With this book as your guide, you'll learn how to help your organization develop, implement, and sustain Safety Culture Excellence, vital for the protection of and improvement in the quality of life for everyone who works there. STEPS to Safety Culture Excellence is based on the authors' firsthand experience working with international organizations in every major industry that have successfully developed and implemented ongoing cultures of safety excellence. Whether your organization is a small regional firm or a large multinational corporation, you'll find that the STEPS process enables you to instill Safety Culture Excellence within your organization. STEPS (Strategic Targets for Excellent Performance in Safety) demystifies the process of developing Safety Culture Excellence by breaking it down into small logical, internally led tasks. You'll be guided through a sequence of STEPS that makes it possible to: Create a culture of excellence that is reinforced and empowered at every level Develop the capability within the culture to identify, prioritize, and solve safety problems and challenges Maintain and continuously improve the performance of your organization's safety culture Although this book is dedicated to safety, the tested and proven STEPS process can be used to promote excellence in any aspect of organizational performance. By optimizing the safety culture in your organization, you will give the people you work with the skills and knowledge to not only minimize the risk of an on-the-job accident, but also to lead safe, healthy lives outside of work.
eBook
Warning against Critical Slopes in Agriculture: Comprehension of Targeted Safety Signs in a Group of Machinery Operators in Italy
Steep slopes are the main cause of rollover incidents in agriculture. Targeted safety signs have been developed to warn machinery operators against risky slopes. However, machinery user’s manuals and road signs report information regarding slope steepness in two different ways, by using the tilt angle in degrees and the slope percentage, respectively. In this study, we investigated the comprehension of safety signs depicting critical slopes, either in degrees or as percent values in a group of Italian agricultural machinery operators while considering the possible influence of previous experience with agricultural machinery, previous incidents, and on-farm occupation. Eighteen tractor and self-propelled machinery operators were administered graphical representations of seven slope angles in a randomized order and then were asked to estimate the slope steepness as both a tilt angle and a slope percentage. The participants tended to overestimate slope steepness in degrees, whereas the opposite was true for percentages. Farmers who were previously involved in a machinery-related incident were more accurate in their estimates. The present results raise some considerations regarding the need to redesign safety communication and to promote targeted training interventions.
Journal Article
A randomised controlled trial of an educational intervention to promote safe behaviours in petrochemical workers: a study protocol
Background
The worldwide concern about safety has created a need for new and effective strategies to improve safety in the workplace. Based on reported studies, approximately 90% of workplace accidents are due to unsafe behaviour and human error. Therefore, the most important strategy in reducing the rate of these accidents is training workers regarding safe behaviour and avoiding human error. There is limited research on understanding the barriers to promoting safe behaviour amongst petrochemical workers. This paper presents a protocol for an intervention study, using training sessions in combination with an educational software (application). The intervention aims to both promote workers’ safe behaviour and reduce the rate of occupational accidents.
Methods
One hundred seventy-six workers will be recruited to this study from an Iranian petrochemical industry. The study is Mixed Methods Research (MMR) which will be carried out in two phases. In the first phase, using a qualitative approach, in-depth interviews will identify the causes of unsafe behaviour in the petrochemical industry. In the second phase, models of safe behaviour used in workplaces and the petrochemical industry will be investigated. The findings of the first phase will be matched with the constructs of these models to produce a well-suited conceptual model. Questionnaires and an educational intervention will be designed based on the results of the two phases. The workers will receive training interventions using direct methods, involving training sessions and workshops, and in an indirect method for which educational software will be designed. A randomised controlled trial (RCT) will assess comparability between the intervention group and the control group at baseline, after the intervention, and at a three-month follow up.
Discussion
This research will provide a practical approach for promoting safe behaviours and reducing occupational hazards amongst industrial workers.
Trial registration
Iranian Registry of Clinical Trials:
IRCT20170515033981N2
. Registered 19 June 2018.
Journal Article
Work-Related Eye Injuries: A Relevant Health Problem. Main Epidemiological Data from a Highly-Industrialized Area of Northern Italy
The province of Modena is one of the most industrialized areas of Northern Italy. The medical records of the Ophthalmological Emergency Department (OED) of Modena University Hospital were studied: there were 13,470 OED accesses in 2014 and in 754 cases that an occupational eye injury occurred. The frequency of work-related eye injuries (3‰) was lower compared to other published studies, but the absolute number is still relevant, showing the need for more adequate prevention, especially in metal work, construction work, and agriculture, where the worst prognoses were observed. Intervention programs must be implemented as early as possible in the working life, considering that the frequency in younger workers is about double that of the oldest age class (3.5‰ vs. 1.8‰), and special attention should also be given to foreigners, who have a 50% higher injury risk. Furthermore, the planning of specific interventions for eye-injured workers may be useful, considering that a previous injury does not appear to encourage the adoption of preventive interventions, and a subgroup of eye-injured workers have a potential risk for new injuries. Finally, the data presented here indicates how OED records, integrated with specific occupational information, can be applied for studies on work-related eye injuries.
Journal Article
Safety and Environmental Management
What is required to make a workplace safe for employees and legally compliant with the Occupation Safety and Health Administration's regulations?Building on the success of the first two editions of Safety and Environmental Management, this updated and expanded third edition discusses the elements that should be included in any organization's.
eBook
Improving safety climate through a communication and recognition program for construction: a mixed methods study
Objectives This study aimed to evaluate the efficacy of a safety communication and recognition program (B-SAFE), designed to encourage improvement of physical working conditions and hazard reduction in construction. Methods A matched pair cluster randomized controlled trial was conducted on eight worksites (four received the B-SAFE intervention, four served as control sites) for approximately five months per site. Pre- and post-exposure worker surveys were collected at all sites (N=615, pre-exposure response rate of 74%, post-exposure response rate of 88%). Multi-level mixed-effect regression models evaluated the effect of B-SAFE on safety climate as assessed from surveys. Focus groups (N=6-8 workers/site) were conducted following data collection. Transcripts were coded and analyzed for thematic content using Atlas.ti (version 6). Results The mean safety climate score at intervention sites, as measured on a 0-50 point scale, increased 0.5 points (1%) between pre- and post-B-SAFE exposure, compared to control sites that decreased 0.8 points (1.6%). The intervention effect size was 1.64 (3.28%) (P-value=0.01) when adjusted for month the worker started on-site, total length of time on-site, as well as individual characteristics (trade, title, age, and race/ethnicity). At intervention sites, workers noted increased levels of safety awareness, communication, and teamwork compared to control sites. Conclusions B-SAFE led to many positive changes, including an improvement in safety climate, awareness, teambuilding, and communication. B-SAFE was a simple intervention that engaged workers through effective communication infrastructures and had a significant, positive effect on worksite safety.
Journal Article
Primary prevention of ocular injury in agricultural workers with safety eyewear
Purpose:
The purpose of this study was to determine the effectiveness of preventing eye injury with the use of safety eyewear in agriculture workers.
Methods:
A sample group of 575 agricultural workers (Group A) engaged in harvesting paddy were provided with goggles with side covers. Following harvesting, a questionnaire-based survey was carried out to determine the frequency of their eye injuries. Workers with goggles were asked about the duration for which they used the goggles and also list barriers or difficulties with the same. The frequency of eye injuries in this group was compared with another group of agriculture workers (Group B) who did not use any safety eyewear.
Results:
The frequency of eye injuries in Group A was 4 (0.7%) and Group B was 61 (11.3%) which was highly significant (P = 0.0001). The relative risk calculated was 0.06 (95% confidence interval: 0.02-0.2). Agricultural workers in Group A had 94% less risk of ocular trauma compared to those in Group B. Injuries in both groups were caused by parts of the paddy plant. A significant number (76.2%) of workers used the goggles all or most of the time during work. Impaired vision when wearing goggles was the most frequent barrier reported by the workers. Other barriers were discomfort, shyness, forgetfulness, apathy, slowing of work pace, awkward appearance, and breakages.
Conclusion:
Safety eyewear conferred significant protection against work-related eye injuries in agriculture. Although safety eyewear was widely adopted by the workers, barriers reported by them will need to be addressed to make such programs more effective.
Journal Article