Submitted: 08 Jun 2014
First published online: 30 Dec 2014
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Health Promot Perspect. 2014;4(2):165-172.
doi: 10.5681/hpp.2014.022
PMID: 25648196
PMCID: PMC4300442
  Abstract View: 558
  PDF Download: 501

Original Research

Demographic Factors and their Relation to Fatigue and Mental Disorders in 12-Hour Petrochemi­cal Shift Workers


Background: Shift workers may be exposed to fatigue and mental disorders due to various work-related risk factors. This study evaluated the impact of demo­graphic characteristics on fatigue and mental disorders among 12-hour shift workers in petrochemical industries. Methods: This study was conducted among 290 shift workers of Pardis Petro­chemical Company in Iran. Data were collected using a general questionnaire for the demographic characteristic as well as multidimensional fatigue inventory (MFI-20) and general health questionnaire (GHQ-28). Results: Married workers were less likely to suffer from reduced activity levels (P< 0.027), depression (P< 0.032) and mental disorders (P< 0.040). Social dys­function score (P< 0.029) and mental disorders (P< 0.048) decreased with shift work experience. Shift workers with non-academic education less likely to suffer from reduced activity levels (P< 0.000) and mental fatigue (P< 0.028). Conclusion: Despite the significant difference between the variables, this study showed a weak effect of individual and occupational demographic characteristics on fatigue and mental disorders.
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