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대학생의 지각된 스트레스, 인지적 스트레스, 신체화, 심박동 변이의 특성

The Effect of College Students’ Perceived Stress, Cognitive Stress, and Somatization on Their Heart Rate Variability

Journal of Korean Biological Nursing Science 2019년 21권 3호 p.178 ~ 187
박금숙 ( Park Keum-Suk ) - 강릉원주대학교

윤해민 ( Yoon Hea-Min ) - 강릉원주대학교

Abstract


Objective: The purpose of this study was to investigate how college students’ perceived stress, cognitive stress, and somatization affect their heart rate variability (HRV).

Methods: This study is a cross-sectional survey research on 191 university students, registered at the G University. The perceived stress scale (PSS) and cognitive stress response scale, were used to assess level of stress. The somatization symptom scale of the Symptom Check List 90 (SCL-90), was used to assess level of somatization caused by stress. To assess heart rate variability (HRV), we conducted a five-minute test using a pulse wave analyzer, to analyze short-term HRV.

Results: The SCL-90 somatization score had relatively high positive correlation (p<.001) with cognitive stress, but low positive correlation (p<.001) with perceived stress. Cognitive stress response had low negative correlation (p<.001) with 1nSDNN and 1nRMSSD among HRV parameters. Perceived stress was not correlated with HRV. Multiple regression analysis showed that variables of perceived stress, cognitive stress, and somatization symptoms, could not explain HRV. By contrast, one of the HRV indicators, 1nSDNN, was affected by age, gender, and aggressive-hostile thought, the latter being a subscale of the cognitive stress response scale.

Conclusion: This study suggests that stress evaluation for people in early adulthood will be more effective, if the evaluation examines cognitive stress and heart rate variability.

키워드

학생; 심박수; 인지적 스트레스; 신체화
Students; Heart rate; Mental fatigue; Somatoform disorders
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