Background: Cellular phones enable communication between healthcare providers and patients for prevention, diagnosis, and treatment of diseases. However, few studies have examined the userfriendliness or effectiveness of cellular phone-based medical informatics (CPBMI) for healthcare. Materials and Methods: This study investigated the use of CPBMI to identify its current status within the medical field, advantages and disadvantages, practicability, clinical effectiveness, costs, and cost-saving potential. Results: CPBMI was validated in terms of practicality and provision of medical benefits. It is critical to use CPBMI in accordance with the different features of each disease and condition. Use of CPBMI is expected to be especially useful for patients with chronic disease. Conclusions: We discussed the current status of the clinical use, benefits, and risks of CPBMI. CPBMI and information technology-based health management tools are anticipated to become useful and effective components of healthcare management in the future.
1 ▒ ABSTRACTObjectives: Previous studies have reported an association between circadian preference and personality. Defense mechanism is unconscious ego process which deals with an individual's anxiety and is closely associated with one's personality. Our aim is to investigate the association between defense mechanism and circadian preference in medical students. Methods: One hundred forty eight medical students (70 males, 78 females), aged 22 to 30, answered the Beck Depression Inventory-II, Morningness-eveningness Questionnaire, and Korean version of Defense Style Questinnaire. Results: Consumption (beta=-0.262 , p=0.001) and being a male (beta=0.175 , p=0.031) were significant positive predictors of eveningness, while sublimation (beta=0.185 , p=0.023) was a significant negative predictor of eveningness. Conclusion: Our study showed a relationship between specific defense mechanisms (i.e., consumption and sublimation) and eveningness in medical students, but it did not address whether the relationship is a causal one. Sleep Medicine and Psychophysiology 2013;20(2):82-87
Objective: This study investigated whether preclinical year insomnia predicted post-clerkship anxiety and whether preclinical year depression predicted post-clerkship insomnia among Korean medical students. Methods: A total of 57 students (38 males and 19 females) aged 23-34 years (27.40±2.76 years) completed questionnaires that included the hospital anxiety and depression scale, insomnia severity index, and morningness-eveningness assessment at the beginning and end of the clerkship. Results: A multiple linear regression analysis revealed that preclinical year sleep quality (β=0.291, p=0.032) was a statistically significant predictor of post-clerkship anxiety after controlling for preclerkship age, sex, and chronotype. Another multiple linear regression analysis revealed that preclinical year depression (β=0.541, p<0.001) was a statistically significant predictor of poor post-clerkship sleep quality, after controlling for age, sex, post-clerkship year anxiety, and chronotype. Conclusion: This study found that preclinical year insomnia may be related to post-clerkship anxiety. Post-clerkship insomnia was related to preclinical year depression. These findings may help medical school administrators reduce their students' anxiety and poor sleep through a cognitive behavioral approach and with psychological education.
Objective: Resilience-promoting program which covers strategies to improve sleep health through modulation of sleep-related habits has been lacking. The authors aimed to develop a resilience-promoting program that incorporates the encouragement of healthy sleep habits. Methods: Fifty-eight adolescents (27 female, 46.6%; aged 13.78±0.82 years) were recruited to test the effectiveness of the program. Dur- ing the first and final sessions, several self-reported questionnaires, including the Connor-Davidson Resilience Scale (CD-RISC), the Smart- phone Addiction Scale–short version (SAS-SV), Hospital Anxiety and Depression Scale (HADS), Composite Scale of Morningness (CSM), In- somnia Severity Index (ISI), and a sleep habit-related questionnaires were administered to the adolescents. After the first session, adolescents were provided with an Actiwatch and were asked to wear the watch to the last session date. Multiple linear regression analyses were used to identify predictors of resilience and sleep quality.Results: The participants’ resilience, morningness, sleep quality, wake after sleep onset (WASO), and wakening frequency during the night changed significantly. Resilience at the last session was related to sleep quality (β=-0.394, p=0.005) at the last session when controlling for age, sex, and morningness. Sleep quality at the last session was related to the mean sun- light exposure time (β=-0.363, p=0.037) at the last session when controlling for age, sex, and WASO during the third week.Conclusion: This study found that four weekly sessions of resilience-promoting program improved resilience, sleep quality including objective actigraphic measures, and morningness. Improved resilience was related to better sleep quality.
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