Korean J Med Educ.  2014 Sep;26(3):197-208. 10.3946/kjme.2014.26.3.197.

Development and validation of the medical student stress scale in Korea

Affiliations
  • 1Gachon University School of Medicine, Gachon University School of Medicine, Incheon, Korea.
  • 2Department of Medical Education, Gachon University School of Medicine, Incheon, Korea. ghpark@gachon.ac.kr
  • 3Department of Medical Education, Chonbuk National University Medical School, Jeonju, Korea.
  • 4Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea.
  • 5Department of Preventive Medicine, Gachon University School of Medicine, Incheon, Korea.

Abstract

PURPOSE
Medical students experience various stresses that arise in a special environment. However, there is no specific stress scale for medical students with regard to their environment in Korea. Therefore, in this study, we developed and confirmed the validity of a stress scale for medical students in Korea.
METHODS
A draft version of the scale was developed on the basis of open-ended questionnaires from 97 medical students. The validity of the content of this scale was evaluated by three medical educationists. The scale was administered to 435 third and fourth grade medical students as the main survey. For our data, we performed an exploratory factor analysis and confirmatory factor analysis. We used Cronbach alpha index to determine internal consistency.
RESULTS
Six factors with 40 items were extracted through the exploratory factor analysis: academic stress (9 items); clerkship stress (11 items); interpersonal stress (7 items); career stress (8 items); health-related stress (3 items); and financial stress (2 items). These factors showed a statistically significant correlation. The confirmatory factor analysis demonstrated a favorable RMSEA (0.053) and reasonable fit (CFI=0.847, TLI=0.833). Cronbach alpha values of the six factors ranged from 0.63 to 0.85.
CONCLUSION
The medical student stress scale had a good model fit. It is a valid and reliable instrument in identifying stress in medical students and can be used in future studies. Also, the scale is expected to provide individual stress profiles for students to help them manage stress more effectively.

Keyword

Medical students; Stress; Scale; Statistical factor analysis

MeSH Terms

Factor Analysis, Statistical
Humans
Korea
Students, Medical*
Surveys and Questionnaires
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