In Brief
- Safety climate — workers’ shared perception that their organization genuinely prioritizes safety over production — is the most consistently supported driver of safe behavior across all six industries reviewed.
- Peer norms predict daily safety behavior more reliably than individual knowledge or attitudes, particularly in mobile or distributed workforces where formal supervision is limited.
- Self-efficacy and psychological capital — not knowledge — are the individual-level factors most reliably associated with sustained safe behavior under stress and role ambiguity.
- The dominant drivers of safe behavior differ significantly by industry, requiring industry-specific campaign design rather than universal approaches.
In 2014, researchers studying long-haul truck drivers in the United States made a discovery that complicates the standard logic of workplace safety communication. The strongest predictor of driving safety was not the company’s safety policy, not the driver’s training history, not even the driver’s own stated attitudes toward safety. It was the quality of the relationship between each driver and their dispatcher — measured in the tone and substance of routine phone calls made from a cab hundreds of miles from headquarters (Zohar et al., 2014).
Dispatchers who treated drivers as partners rather than task-executors, who asked about conditions and acknowledged concerns, created something in their workers that translated directly into fewer hard-braking events and safer driving behavior overall. What they created was a perception that safety was genuinely valued — not as a policy, but as something the organization actually cared about. And that perception changed what drivers did when no one could possibly be watching.
This is what the research on safety behavior drivers tells us, consistently: the most powerful levers are not individual-level interventions delivered in training rooms. They are relational, organizational, and social — and they operate through mechanisms that most safety campaigns never attempt to reach.
About This Research
This post draws on Safety Behaviors and Behavioral Science Approaches in High-Hazard Industries: A Systematic Review Report by Dr Khaleda Ahmadyar (April 2026). Conducted in accordance with PRISMA 2020 guidelines, the review synthesizes 50 peer-reviewed studies published between 1995 and 2026, spanning more than 20 countries and six high-hazard industries: construction, mining, manufacturing, agriculture, oil and gas, and transportation. It is the most comprehensive cross-industry synthesis of safety behavior determinants and behavioral science interventions currently available.
What Is Safety Climate and Why Does It Matter?
The concept that appeared more consistently than any other across the 50-study review as a predictor of safe behavior is safety climate — defined as workers’ shared perception of how much their organization genuinely prioritizes safety in day-to-day practice (Bosak et al., 2013; Mirza et al., 2022; Murphy et al., 2019). This is distinct from safety policy, safety training, and safety culture as a stated value. It is what workers conclude from watching how their organization actually behaves under pressure.
When management attends safety meetings, acts visibly on reported hazards, and declines to let production deadlines override safe practice, workers read those signals. When the inverse occurs — when hazard reports disappear without response, when production timelines consistently trump safety — workers read those signals too. The gap between declared commitment and observed behavior is one of the most consequential dynamics in occupational safety, and workers are more attuned to it than most organizations realize.
One finding from the review is particularly striking: a strong safety climate was found to buffer against the risk-amplifying effect of optimism bias — the tendency for workers to underestimate their own personal risk. In organizations where workers perceived that safety was genuinely valued, that cognitive distortion was less pronounced, and safe behavior was more consistent even in the absence of direct supervision (Man et al., 2022). Safety climate doesn’t just encourage compliance. It reshapes how workers process risk.
How Peer Norms Drive Safe Behavior More Than Training Does
If safety climate operates through organizational signals, peer norms operate through something more immediate: what workers see their colleagues do. Positive coworker norms — environments where workmates model safe behavior, help identify hazards, and normalize compliance without judgment — appeared consistently as independent predictors of safe behavior across the review (Schwatka & Rosecrance, 2016; Man et al., 2025).
Among construction workers — a mobile population where site management is often physically distant — the behavior of peers was found to contribute to safety outcomes independently of management-level factors. Schwatka and Rosecrance (2016) found that coworker safety commitment made a statistically independent contribution to safe behavior even after controlling for management and organizational variables. On a site where experienced workers clip in, the practice becomes the norm. On a site where they don’t, that becomes the norm instead.
The implication for campaign design is significant: communication that reaches individual workers in isolation misses the primary social mechanism through which safe behavior is actually sustained. Norms change when groups change together.
Which drivers matter most in your industry?
The systematic review maps distinct safety behavior driver profiles across construction, mining, agriculture, transportation, manufacturing, and oil and gas.
What Psychological Capital Has to Do With Safety
At the individual level, the evidence points not to knowledge and attitude — the traditional targets of safety training — but to self-efficacy and psychological capital as the most meaningful predictors of sustained safe behavior. Self-efficacy refers to a worker’s belief in their capacity to perform safely in specific conditions. Workers with high self-efficacy comply more consistently and are more likely to speak up about unsafe conditions, because they believe their actions matter (Edelson et al., 2009; Man et al., 2025).
Psychological capital — a composite construct encompassing self-efficacy, hope, resilience, and optimism — goes further. Wang and colleagues (2018) demonstrated that workers with high psychological capital maintained safer behavior under conditions of role ambiguity and stress that produced significant behavioral deterioration in lower-PsyCap peers. Communication that builds workers’ confidence in their ability to act safely produces more durable change than communication that primarily increases their knowledge of why they should.
Why Safety Behavior Drivers Differ by Industry
One of the most practically important findings from the 50-study review is that the dominant drivers of safe behavior are not consistent across industries. A campaign designed for construction and applied without adaptation to an offshore oil platform or an agricultural setting will miss the mechanisms that matter most in those contexts.
In construction, organizational and social drivers dominate: management commitment, supervisory behavior, and coworker support are the most consistent positive predictors. In mining, emotional regulation and team safety climate are particularly salient alongside safety knowledge. In agriculture, access to PPE, safety training, and social support from family, peers, and healthcare providers are central — structural enablement matters as much as attitudes in informal, isolated work settings. In transportation, the quality of the supervisor-worker relationship functions as a substitute for direct oversight, as the dispatcher-driver research above illustrates. In manufacturing, leadership style is decisive: consultative and inspirational leadership promotes safety participation while coercive leadership undermines it (Clarke & Ward, 2006). In oil and gas, psychosocial safety climate — management’s genuine commitment to worker psychological health and wellbeing — is the principal driver of both compliance and participation.
The behavioral science post in this series explores the frameworks that translate these profiles into precise campaign targeting. And the intervention evidence shows what happens when programs account for these industry differences — and when they don’t.
Frequently Asked Questions
What is safety climate and why does it matter for occupational safety?
Safety climate refers to workers’ shared perception of how much their organization genuinely prioritizes safety — as evidenced not by policy documents but by day-to-day management behavior, resource allocation, and how tradeoffs between safety and production are actually handled. It is the most consistently supported driver of safe behavior across industries in the research, and it shapes behavior even in the absence of direct supervision.
How do peer norms influence safety behavior in high-hazard industries?
Peer norms shape safety behavior through social learning — workers observe what colleagues do and calibrate their own behavior accordingly. Positive coworker norms (modeling safe behavior, normalizing compliance, supporting hazard reporting) are independently predictive of safe behavior, even after accounting for management-level factors. This is particularly important in mobile or dispersed workforces where formal supervision is limited and peer relationships form the primary social context of daily work.
What is psychological capital and how does it affect workplace safety?
Psychological capital (PsyCap) is a composite of self-efficacy, hope, resilience, and optimism. Research shows that workers with high PsyCap maintain safer behavior under stressful, ambiguous, or high-pressure conditions that cause behavioral deterioration in lower-PsyCap peers. Campaigns that build workers’ confidence and sense of agency — not just their knowledge — produce more sustained behavioral change.
References
- Ahmadyar, K. (2026). Safety behaviors and behavioral science approaches in high-hazard industries: Systematic Review Report.
- Bosak, J., et al. (2013). Accident Analysis & Prevention, 55, 256–264.
- Clarke, S., & Ward, K. (2006). Risk Analysis, 26(5), 1175–1185.
- Man, S. S., et al. ((2022, 2025)
- Schwatka, N. V., & Rosecrance, J. C. (2016). Work, 54(2), 401–413.
- Wang, D., et al. (2018). Safety Science, 103, 247–259.
- Zohar, D., et al. (2014). Accident Analysis & Prevention, 62, 17–25.
About Bottlenose
Bottlenose is a behavior-change communication agency built for high-risk environments. Our purpose is to protect people’s lives by applying behavioral science to workplace communication — guiding safer everyday decisions and fostering a culture of health, safety and environment.
Our name is inspired by the bottlenose dolphin: an intelligent, collaborative species known for guiding and protecting through gentle nudges and coordinated behavior. Just as dolphins influence one another through subtle prompts and shared awareness, we help organizations influence safer actions through thoughtful, evidence-based communication.
We design creative, science-backed campaigns that help employees make safer decisions — from reporting hazards and speaking up about unsafe work to reducing distracted driving and improving PPE compliance.
Want to go deeper? Access the systematic review behind this series — or reach out to explore what a behavior-change campaign could look like for your organization.
