can organisational safety climate and occupational stress predict work-related driver fatigue
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Can organisational safety climate and occupational stress predict work-related driver fatigue. Speaker: Jenny 2008/12/24. Transportation Research Part F 11 (2008) 418–426 Clint Strahan, Barry Watson, Alexia Lennonb. Objective. - PowerPoint PPT PresentationTRANSCRIPT
Can organisational safety climate and occupational stress predict
work-related driver fatigue
Speaker: Jenny2008/12/24
Transportation Research Part F 11 (2008) 418–426
Clint Strahan, Barry Watson, Alexia Lennonb
ObjectiveObjective
Evaluate the influence of occupational stress and organizational safety climate on fatigue-related driving behavior
Evaluate whether these variables could predict self-reported near misses that were attributed to driver fatigue
IntroductionIntroduction
Work-related vehicle crashes have been reported as the leading cause of work-related injury and death in many countries. (Pratt, 2003; Charbotel et al., 2001)
Cost of Crashes: 15 billionOrganizations play an important role
in affecting the safety behaviors.This research focused on high-risk
groups such as long distance truck drivers.
IntroductionIntroduction
Driver fatigue: (Stutts et al., 2003)
Sleep Psychological: anxiety, depression Personality: sensation seeking
Occupational stress (Cushway, Tyler, & Nolan, 1996)
Physical consumption Emotional drain Absenteeism Reduced efficiency and performance
IntroductionIntroduction
Occupational stressors contribute to decreased driving performance and vigilance, therefore increase in crash risk. (Legree et al., 2003)
Safety climate: perceptions of the way in which the organisation views and manage safety
Safety climate could significantly predict driver safety-related behaviors, like traffic violation, driving error, distraction.
Method--measuresMethod--measures
Control variables Age, gender, and time spent driving for work
per weekOccupational stress
job-related tension scale (JRTS) 5-point Likert Scale (never—always) Subjective stress
Method--meauresMethod--meaures
Safety climate Safety climate questionnaire 7-point Likert scale 35 items 6 dimensions (alpha=0.97)
• communication and procedures, work pressure, management commitment, relationships, driver training, safety rules
Method--measuresMethod--measures
Self-reported, fatigue-related behavior 5-point scale Driving after working and insufficient sleep Alpha= 0.82
Self-reported, fatigue-related near misses Question Whether they had experienced a near misses
because of fatigue in past 6 months
Method-- Data analysisMethod-- Data analysis
Hierarchical regression analysis predict fatigue-related driver behavior control variable
Logistic regression Predict self-reported near misses
ConclusionsConclusions
low response ratework environment influences work-
related driver fatigueStrategy: organizational factors to
fatigue riskOrganizations can partly reduce
fatigue-related crashes through safety climate and occupational stress.
Management: take active stances in formulating safety policies and showing organizations commitment