As the smartphone market grows, the needs for its new business model are also increased. However, most previous researches on smartphone applications focused on Technology Acceptance Model(TAM) and Rogers' Diffusion of Innovation Theory so that there was lack of researches on characteristics for actual smartphone users. In this research, we divided the smartphone applications into five category functions (Call & Text/Music & Video/Information Search/Game/Social Network Service (SNS)). We analyzed characteristic differences of users who used the each application category and found that the differences were statistically significant in both demographic and smartphone usage characteristics (frequency of downloading applications, and download experience of paid applications). Additionally, the smartphone usage characteristic is closely related to the usage duration. The representative result is that the characteristics of people used Music & Video function actively were women in their 20s who downloaded applications more than three times per week, and had a download experience of paid applications. It is positive result for players in the application markets, because it means the users are willing to pay for downloading the paid applications. However, large companies already occupied most of the market share in music applications so that small and medium-sized players should develop an innovative and distinguishable business model in order to success. We believe this research result would provide significant implications for the players in planning the successful business model and developing an user-specific application product.
Kim, Kwang-Myo;Kim, Bo-Ri;Lee, Jeong-Seon;Han, Ok-Yeon;Park, Mi-Sun;Yim, Hyeon-Woo;La, Hyen-O;Park, Young-Min
Korean Journal of Clinical Pharmacy
/
v.21
no.2
/
pp.161-169
/
2011
The purpose of this study is to survey on the pharmacists' medication teaching service for topical steroids in regions without separation of dispensary from medical practice. The questionnaire was sent to 199 pharmacists who work inregions without separation of dispensary from medical practice via mail, e-mail or fax. 112 out of 199 pharmacists requested have answered the survey (response rate 56.28%). The questionnaire was composed of 4 categories with demographic characteristics, generally explained contents, adverse effects and precaution in pregnancy, breastfeeding and children. We analyzed the questionnaire by the 6 items with reference to the practical guidelines for medication teaching service. The medication teaching service for topical steroids in terms of generic name, physical characteristics, efficacy, usage and dosage, warning and precaution has been well provided by pharmacists in regions without separation of dispensary except for means and duration of optimal storage. The majority of pharmacists provided their patients with 4 and more kinds of items (69.64%), but the generally recommended 4 kinds of items such as generic name, efficacy, usage and dosage, warning and precaution were provided in as low as 48.22% of the respondents. These results show that the medication teaching service for topical steroids in terms of means and duration of optimal storage (45.54%) and the generally recommended 4 kinds of items have not been enough provided by pharmacists in regions without separation of dispensary. Taken together pharmacists in these regions should make a proper guideline for medication teaching service that can prevent the adverse effects of topical steroids.
Emergency medical center(EMC) is the place for patients who need medical treatment immediately due to a disease, childbirth, or all sorts of accidents. Currently, most of EMCs use temporary beds because regular EMC beds cannot afford to serve all incoming patients. However, since it decreases the quality of service(QoS) of EMC patients and their guardians and efficiency of the EMC, some improvements are highly required to diminish the usage of temporary beds. The system duration time is one of the typical QoSs. This thesis proposes the information which is critical to make a better decision for cut down the number of temporary beds without sacrificing QoS of patients. The key point is to control the duration time of medical treatments for the consultation and hospitalization process, since it is the major reason of overcrowding in EMC and the usage of temporary beds. In this paper, we proposed an Arena simulation model reflecting real world substantially. Arena is one of the most widely accepted simulation softwares in the world. Using the developed model, we can obtain the optimal EMC operation parameters through simulation experiments. Optquest, included in the Arena, is used to make the developed simulation model collaborate with an optimization model. The results showed one can determine the set of optimal operation parameters decreasing the required number of temporary beds without deteriorating EMC patient's QoS.
Kim, Hyun-Wook;Kim, Sung-Soo;Park, Se-Woon;Kim, Eon-Kuk;Lee, Geon-Hui;Lee, Geon-Mok
Journal of Acupuncture Research
/
v.27
no.4
/
pp.67-84
/
2010
Objectives : To review RCTs on acupuncture treatment for shoulder pain in order to establish a standard acupuncture treatment model in treating shoulder pain. Methods : RCT articles on traditional acupuncture treatment for shoulder pain were searched through online database. Quality of studies were assessed using the FEAS and the modified Jadad score. Results : Eighteen trials of acupuncture for shoulder pain were analyzed. Based on the results of these reviews the following factors might contribute to optimal results from acupuncture treatment. 1) Usage of LI, SI, TE meridians, usage of $LI_{15}$, $TE_{14}$, $GB_{21}$, $LI_{11}$, $LI_4$, $SI_{14}$, $LI_{14}$, $TE_{15}$ acupuncture points. 2) More than four acupuncture points should be used. 3) More than 15 minutes of needle retention time. 4) Needle length-40mm and diameter-0.30mm. 5) More than 9 times treatment 6) More than 5 weeks treatment duration. Conclusions : There was no relation between quality of article and effectiveness of acupuncture. To improve the remedial value, it is necessary to mention De-qi, stimulation of acupuncture and correct variation in diagnosis with the above-mentioned. It is better that clinical trials of acupuncture treatment is designed that type of RCT and double blind. Also when it is set that sham nonpenetrating acupuncture, no treatment group as a control group, and participants don't distinguish wheather acupuncture treatment or not, it will be more meaningful.
There are two methods to resolve conflicts related to constructions which are through lawsuits and ADR (Alternative Dispute Resolution) just like any other conflicts. Along with the special characteristics pertaining to the conflicts related to constructions, the advantages that ADR is in possession of such as its cost, duration and professionalism, resolving conflicts through ADR has been considered to be more logical than any other options recently. In Korea's case at present, the resolution of conflicts regarding constructions through ADR is mostly dependent on administrative mediation or through arbitration. However, in the case of the administrative mediation, its usage rate is very low due to problems caused by problems in its running and effectiveness. In the case of arbitration, the services of the Korean Commercial Arbitration Board is comparatively used more but because of the fact that arbitration relies on a single trial system and the fact that its executive powers while having the same effectiveness as the final ruling does not get acknowledged leads to the phenomena of avoiding its usage. In addition, in relation to the selective arbitration clause, the problem of effectiveness of the arbitrative agreement is becoming a hindrance to the activation and promotion of the arbitration process. Furthermore, in the case where the ordering body is the government, the public servant involved in the case avoiding the arbitration process because of concerns of being penalized by the internal and external audit within the institution is becoming a problem as well. These problems are not only limited to conflicts regarding constructions and there needs to be actions taken to promote the activation of ADR by enacting a basic law. The more important issue at hand however is offering a resolution measure that would be the most appropriate for users and this could probably be done only through actions such as implementing the American partnering system or the dispute adjudication board system so that they can supervise the resolution of conflicts through mediation, arbitration, and assistance as well as offering consultations regarding conflicts related to constructions.
Objectives: This study examined the association of the sleep quality and patterns with the dietary behavior, including snack and beverage consumption, taste preferences, as well as lifestyle of university students. Methods: The subjects were 406 university students in Cheongju, Korea, and the data were collected using a self-administered questionnaire. They were divided into two groups according to the Pittsburgh Sleep Quality Index (PSQI): good-quality sleepers (PSQI score ≤ 5) and poor-quality sleepers (PSQI score > 5). The data were analyzed using a χ2-test, independent t-test, and analysis of covariance using the SPSS 25.0 program. Results: Fifty-two percent of university students were categorized as poor-quality sleepers by the PSQI. Students classified as poor-quality sleepers had delayed bedtimes, and a shorter duration in bed and total sleep hours than the good-quality sleepers did. Poor-quality sleepers were more prevalent among those who were female, having irregular mealtimes, or frequent late night meals. They also consumed fast food frequently, such as fried chicken and hamburgers, and noodles when adjusted for gender. In addition, drinks with caffeine over milk were dominant among poor-quality sleepers. Furthermore, the preferences for spicy and salty tastes and longer smartphone usage were more prevalent in those with poor-sleep quality. Conclusions: These results showed that more than 50% of university students reported disturbed sleep and poor quality sleep was associated with less desirable snack consumption and taste preference, more smartphone usage, and others. Therefore, nutrition education program along with lifestyle changes promoting sufficient sleep are encouraged to provide for university students, particularly those who have poor sleep quality.
This study was narrative research study to find out the effect of adolescents' social media addiction tendencies on interpersonal relationships. This research data was collected from 250 middle high school students in G city, Gyeongnam and collected data was analyzed with t-test, ANOVA, Pearson's correlation, Multiple regression coefficient using SPSS 23.0 program. SNS addiction tendency scores according to general characteristics of adolescents were gender (t= -2.25, p = .011), duration of SNS use (F= 3.15, p= .015), average usage time (F= 15.87, p=. 001), SNS media (F= 3.12, p= .027), and SNS media usage time (F= 6.58, p= .001) were statistically significant. As a result of verifying the correlation of main variables, addiction tendency of SNS had statistically significant static correlation with interpersonal relationships. Influencing factors of interpersonal relations were Addiction tendency of SNS(${\beta}=-.64$, p=.<001) Interpersonal relationship explained 37% of the total variability.
Objectives: This study examined the changes in dietary habits, the prevalence of chronic diseases, and mental health problems in the regional areas of the Republic of Korea before and after the COVID-19 pandemic to provide evidence of the status of regional health inequalities. Methods: This study analyzed Korean adults aged 19 or older who participated in the Korea Community Health Survey (n = 686,708) and Consumer Behavior Survey for Foods (n = 19,109) from 2018 to 2020. The participants were classified according to their residence area (Seoul metropolitan area, Metropolitan cities, Provinces); 2018-2019 were defined as before COVID-19, and 2020 as after COVID-19. The dietary behaviors, chronic diseases, and mental health problems were measured using a self-report questionnaire. Results: After COVID-19, the eating-out usage rate in the Seoul metropolitan area and Provinces decreased compared to before COVID-19 (P < 0.001), and when responding that they eat out, the frequency of eating out with household members in the Seoul metropolitan area increased (P = 0.024). The deliveries/takeout usage rate in the Provinces decreased after COVID-19 compared to before (P < 0.001). After COVID-19, the prevalence of obesity decreased in all regions (P < 0.001), and the prevalence of hypertension increased significantly in the Provinces (P = 0.015). The prevalence of diabetes mellitus increased continuously before and after COVID-19 in all regions (P < 0.002). High-risk subjective stress levels increased significantly in the Seoul metropolitan area (P < 0.001), and sleep duration significantly increased in all regions (P < 0.001). Major depressive disorder was reduced significantly in Metropolitan cities (P = 0.042) and Provinces (P < 0.001). Conclusions: After the COVID-19 pandemic, the prevalence of chronic diseases and mental health problems showed regional differences along with changes in dietary habits. It is necessary to reflect the regional differences in dietary habits in future policies resolving regional health inequalities.
Filgrastim is used as an indispensable adjuvant drug to reduce the degree and duration of chemotherapy-induced neutropenia. The purpose of this research is to study the use of filgrastim by reviewing retrospective medical records of breast cancer patients who have been treated by filgtastim in the National Cancer Center. 84 patients have received 323 cycles of chemotherapy, of which 134 cycles were treated by filgrastim $(41.5\%)$. Among those 134 cycles, 34 were for prophylaxis $(21.6\%)$, and 100 for treatment of neutropenia $(74.6\%)$. The frequence of filgrastim usage was more than $50\%$ in frequency with regimens containing docetaxel. For prophylaxis, the median of filgrastim initiation was measured on the day of chemotherapy (-3rd-13th). For the treatment, on the other hand, the median appeared on the 9th day (4th-2lst) after chemotherapy, which showed very wide distribution. Time to filgrastim initiation ranged between the 7th and the 9th day after chemotherapy in docetaxel+doxorubicin combination regimen and docetaxel single regimen, whereas it showed after the 10th day in doxorubicin+cyclophosphamide combination regimens. For the treatment, 48 out of 61 patients $(73.8\%)$ in 63 cycles have experienced fever, had to visit the emergency room, required hospitalization, caused infection, transfusion, dosage reduction and schedule changes in spite of using filgrastim with chemotherapy. For prophylaxis, 11 out of 19 patients $(17.9\%)$ in 11 cycles have experienced the same results. In conclusion, the guideline of time to the initiation and the last is required for cost-effective administration of filgrastim because of the difference occurring ANC nadir, the severity and duration of neutropenia by chemotherapy regimens.
1. Objectives: This case study reports clinical improvement of a Soyangin benign arrhythmia patient who showed improvement of palpitation symptoms after treatment with Hyeongbangjihwang-tang. 2. Methods: The patient's subjective and objective symptoms were observed daily, and the VAS scores and duration times of palpitation were recorded daily throughout the hospitalization period. 3. Results: The general condition of the patient improved by the end of hospitalization. The VAS score dropped from 4-10 to 0-1, and the duration of palpitation dropped from 50-160 min to 0-5 min. Other symptoms such as diarrhea and lower back pain also showed improvement. 4. Conclusion: This case study shows the effectiveness of Hyeongbangjihwang-tang in the treatment of palpitation. Although the literature on Hyeongbangjihwang-tang does not report its usage on palpitation, the prescription was shown to be effective in the case where the palpitation symptom is concomitant to the general symptomatology of the Mangeum disease, a pathology indicative of Hyeongbangjihwang-tang.
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