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KMID : 0605720090150010096
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Journal of the Korean Society of Biological Therapies in Psychiatry
2009 Volume.15 No. 1 p.96 ~ p.104
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The Relationship between Job Stresses and Clinical Scales of Minnesota Multiphasic Personality Inventory(MMPI) in Male Firefighters
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Kwon Seon-Young
Lee Eun-Jung
Kim Hee-Cheol
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Abstract
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Objectives：This study was performed to assess the relationship between job stresses of firefighters and their clinical scales of MMPI(Minnesota Multiphasic Personality Inventory), and to identify what kinds of job stress factors have an effect on their clinical scales of MMPI.
Methods：KOSS(Korean Occupational Stress Scale) and MMPI were completed by 322 firefighters in Daegu city. Mann-Whitney test and Kruskal Wallis test were conducted to compare job stresses of firefighters and their clinical scales of MMPI between two groups by work type and among four groups by career. Multiple regression analysis was carried out to examine the relationship between job stresses and clinical scales of MMPI.
Results：The most stressful factor among job stresses was ‘insufficient job control’ for firefighters, much enough to require interventions. There was a significant difference in ‘total job stress’ among groups by work type and career. There was a significant difference in ‘physical environment’ and ‘job demand’ between two groups by work type, and a significant difference in most of job stress factors excluding ‘occupational climate’ among four groups by career. For clinical scales of MMPI, there was a significant difference only in Pa(paranoia) scale between two groups by work type, and a significant difference in D(depression) scale among four groups by career. Furthermore, clinical scales of MMPI related with Hs(hypochondriasis), D(depression), Hy(hysteria), Pt(psychasthenia) and Sc(schizophrenia) were largely explained by ‘physical environment’, ‘organizational system’, ‘insufficient job control’ and ‘interpersonal conflict’ respectively, conjoined with ‘job insecurity’ as a common job stress factor.
Conclusion：This study shows that there are significant differences in job stresses of firefighters and their clinical scales of MMPI among groups by work type and career. The clinical scales of MMPI are influenced by job stresses in firefighters. Therefore, these results suggest that comprehensive job stress intervention is needed to prevent and manage the psychological problems of firefighters.
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KEYWORD
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Firefighters, Job stress, MMPI, Clinical scale, Stress intervention
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