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Why Some Workers Make Poor Safety Decisions

Why some workers make poor safety decisions

9 Jan 2015 Safety

Why did he do that? Ever find yourself thinking that after an incident or near-miss at your workplace? Here’s a factor that should be considered in any root-cause analysis.
A new study shows shift workers have more attention deficit and are more impulsive compared to daytime workers.
The study followed 206 nurses at one facility – some working daytime and the others working nighttime shifts.
The key result: Shift workers had higher attention deficit and impulsivity scores (meaning they were more prone to both). This is the first study that has looked at the relationship between work schedule and attention deficit and impulsivity.
The study also determined each nurse’s chronotype: whether each one is a morning-, intermediate- or evening-person.
Morning-types showed less attention deficit and impulsivity than intermediate- or evening-types.
High scores in attention deficit and impulsivity indicate that executive functions (including memory, reasoning, problem solving, and planning and execution) are disrupted during night work, probably due to chronic sleep deprivation.
This corresponds to previous research showing night workers suffer more accidents at work compared with daytime workers, due to inattention.
The researchers mention just one drawback to their study: It was done completely at one hospital. They recommend repeating this study at more locations.
Another interesting variable: In this study, the daytime workers had more experience than the nighttime workers.

Fred Hosier

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