철도기관사의 지각된 직무특성과 조직특성이 직무스트레스와 심리적 우울, 인적오류에 미치는 영향: 조직지원지각의 조절효과

The Effects of Railway Engineers' Perceived Job Characteristics and Organizational Characteristic on Psychological Depression and Human Errors: Moderating Effects of Perceived Organizational Support

  • 투고 : 2018.12.19
  • 심사 : 2019.01.08
  • 발행 : 2019.02.28


도시철도 기관사들의 직무스트레스는 개인은 물론 사회전체에 치명적인 해악을 초래하고 엄청난 경쟁력 상실을 가져온다. 따라서 기관사들의 직무스트레스에 미치는 영향요인과 부정적인 결과들에 대하여 살펴보고 직무 스트레스를 감소시키는 방안을 모색하고자 한다. 본 연구에서는 직무특성(직무불안, 직무요구)과 조직특성(비합리적 직장문화)이 직무스트레스에 미치는 영향을 살펴보고 직무스트레스가 심리적 우울과 인적오류에 미치는 영향을 살펴보고자 한다. 또한 직무스트레스와 심리적 우울, 직무스트레스와 인적오류 간의 관계에서 조직지원의 조절효과를 살펴보고자 한다. 도시철도 기관사들을 대상으로 설문조사를 실시하였고 결과는 다음과 같다. 첫째, 직무불안, 직무요구 수준이 높을수록 직무스트레스에 정(+)의 유의한 영향을 미치며 비합리적인 직장문화는 직무스트레스에 정(+)의 유의한 영향을 미치는 것으로 나타났다. 둘째, 직무스트레스는 심리적 우울과 인적오류에 각각 정(+)의 유의한 영향을 미치며 셋째, 심리적 우울에 대해서는 직무스트레스와 조직지원지각의 상호작용효과는 유의한 것으로 나타났으나, 인적오류에 대해서는 직무스트레스와 조직지원지각의 상호작용효과는 유의하지 않은 것으로 나타났다.

Urban railway engineers' job stress cause fatal evils to both individuals and entire society and brings a significant loss in competitiveness. Thus, this research aimed to examine the factors affecting engineers' job stress and their negative results and seek ways to reduce job stress. This study analyzed the effects of job characteristics(job insecurity, job demand) and organization characteristics(irrational workplace culture) on job stress as well as the effects of job stress on psychological depression and human errors. Also, this study analyzed the moderating effects of organizational support in the relationships between job stress and psychological depression as well as job stress and human errors. A survey was conducted on urban railway engineers and the results were as follows. First, the high level of job insecurity and job demand had a positively effect on job stress while an irrational workplace culture had a positively effect on job stress. Second, job stress had a positively effect on psychological depression and human errors. Third, while job stress and perceived organizational support had a significant interaction effect on psychological depression, there was no significant interaction effect on human errors.


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Fig. 1 Research Model

Table 1 Results of CFA

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Table 2 Results of Correlation Analysis

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Table 3 The Results of Hypothesis Testing

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Table 4 The Results of Moderation Effect Testing(1)

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Table 5 The Results of Moderation Effect Testing(2)

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