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Usability of a smartphone food picture app for assisting 24-hour dietary recall: a pilot study

  • Hongu, Nobuko;Pope, Benjamin T.;Bilgic, Pelin;Orr, Barron J.;Suzuki, Asuka;Kim, Angela Sarah;Merchant, Nirav C.;Roe, Denise J.
    • Nutrition Research and Practice
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    • v.9 no.2
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    • pp.207-212
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    • 2015
  • BACKGROUND/OBJECTIVES: The Recaller app was developed to help individuals record their food intakes. This pilot study evaluated the usability of this new food picture application (app), which operates on a smartphone with an embedded camera and Internet capability. SUBJECTS/METHODS: Adults aged 19 to 28 years (23 males and 22 females) were assigned to use the Recaller app on six designated, nonconsecutive days in order to capture an image of each meal and snack before and after eating. The images were automatically time-stamped and uploaded by the app to the Recaller website. A trained nutritionist administered a 24-hour dietary recall interview 1 day after food images were taken. Participants' opinions of the Recaller app and its usability were determined by a follow-up survey. As an evaluation indicator of usability, the number of images taken was analyzed and multivariate Poisson regression used to model the factors determining the number of images sent. RESULTS: A total of 3,315 food images were uploaded throughout the study period. The median number of images taken per day was nine for males and 13 for females. The survey showed that the Recaller app was easy to use, and 50% of the participants would consider using the app daily. Predictors of a higher number of images were as follows: greater interval (hours) between the first and last food images sent, weekend, and female. CONCLUSIONS: The results of this pilot study provide valuable information for understanding the usability of the Recaller smartphone food picture app as well as other similarly designed apps. This study provides a model for assisting nutrition educators in their collection of food intake information by using tools available on smartphones. This innovative approach has the potential to improve recall of foods eaten and monitoring of dietary intake in nutritional studies.

The Influence of Health Apps Efficacy, Satisfaction and Continued Use Intention on Wearable Device Adoption: A Convergence Perspective (헬스 앱의 효능감과 만족도, 지속적 사용의도가 웨어러블 기기의 수용에 미치는 효과: 융복합적 관점)

  • Park, Dong-Jin;Choi, Joung-Hwa;Kim, Do-Jin
    • Journal of Digital Convergence
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    • v.13 no.7
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    • pp.137-145
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    • 2015
  • Mobile's health care and diagnostic capabilities are accepted as the most innovative sectors, and the combination with wearable device is being predicted as the future's most promising industries. However, the level of consumer acceptance and utilization is still insufficient compared to the development of technology. This study explores the use intention of wearable device based on previous studies about health apps. In particular, health-related use efficacy of the app, app use intention and app satisfaction are analyzed through a structural equation model. The use of health-related apps revealed that there is a statistically significant relationship with the use of the wearable device. The results suggest that the importance of app use efficacy, satisfaction, apps use should be considered for the successful diffusion of wearable health devices.

Development and Effects of Smartphone App-Based Walking Exercise Program for Taxi Drivers: Based on Bandura's Self Efficacy Theory (택시 운전자들을 위한 스마트폰 앱 기반 걷기운동 프로그램 개발 및 효과: Bandura의 자기효능이론을 중심으로)

  • Choi, Yun Ha;Chae, Min-Jeong
    • Journal of Korean Academy of Nursing
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    • v.50 no.2
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    • pp.242-254
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    • 2020
  • Purpose: The purpose of this study was to examine the effects of smart-phone app-based walking exercise programs for taxi drivers on self-efficacy and outcome expectations for exercise, health-related quality of life, walking as an exercise, and physiological indexes. Methods: A nonequivalent control group with a pre-post-test design was used. The subjects were recruited in G metropolitan city. Subjects were assigned to the experimental (n=31) or control groups (n=30). The smart phone app-based walking exercise program consisted of educations via the app, twelve short message services, and one individual telephone counseling session, which was spread over 12 weeks. Results: Self-efficacy, outcome expectations, and health-related quality of life had significantly higher pre-post test differences in scores in the experimental group. Additionally, blood pressure, body mass index, and waist circumference had significantly decreased prepost-test difference levels in the experimental group. Walking as an exercise (which consisted of days walked, number of steps walked, and amount of time walked) had significantly increased in the experimental group after 7~12 weeks in the period following the intervention program rather than 1~6 weeks after the program. Conclusion: The smart phone app-based walking exercise program based on the self-efficacy theory demonstrates a significant effect on improving self-efficacy, outcome expectations physical activities, and health-related quality of life for taxi drivers. Therefore, it is recommended to actively use the program as a tool to promote self-efficacy, physical activities, and health behaviors in taxi drivers.

A Study on Self-medication for Health Promotion of the Silver Generation

  • Oh, Soonhwan;Ryu, Gihwan
    • International Journal of Advanced Culture Technology
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    • v.8 no.4
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    • pp.82-88
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    • 2020
  • With the development of medical care in the 21st century and the rapid development of the 4th industry, electronic devices and household goods taking into account the physical and mental aging of the silver generation have been developed, and apps related to health and health are generally developed and operated. The apps currently used by the silver generation are a form that provides information on diseases by focusing on prevention rather than treatment, such as safety management apps for the elderly living alone and methods for preventing diseases. There are not many apps that provide information on foods that have a direct effect and nutrients in that food, and research on apps that can obtain information about individual foods is insufficient. In this paper, we propose an app that analyzes food factors and provides self-medication for health promotion of the silver generation. This app allows the silver generation to conveniently and easily obtain information such as nutrients, calories, and efficacy of food they need. In addition, this app collects/categorizes healthy food information through a textom solution-based crawling agent, and stores highly relevant words in a data resource. In addition, wide deep learning was applied to enable self-medication recommendations for food. When this technique is applied, the most appropriate healthy food is suggested to people with similar eating patterns and tastes in the same age group, and users can receive recommendations on customized healthy foods that they need before eating. This made it possible to obtain convenient healthy food information through a customized interface for the elderly through a smartphone.

Design and Development of Health Screening Data Input Mobile Application Using App-Inventor (앱인벤터를 이용한 건강검진 데이터 입력 모바일 애플리케이션 설계 및 개발)

  • Lee, Hyo-Seung;Oh, Jae-Chul
    • The Journal of the Korea institute of electronic communication sciences
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    • v.13 no.1
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    • pp.193-198
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    • 2018
  • These days, computer system has been introduced for work in most areas, including manufacturing, medical service, education, logistics, and other services. To increase work efficiency, mobile system has been more applied. However, on the basis of Android applications, it is hard for laypersons who have no enough knowledge of Android, or computer team members in general firms to develop mobile App. As a result, work efficiency comes to low. Therefore, this study designed and developed the mobile application for anthropometry data input of medical checkup with the use of App Inventor. As shown in the designed and developed mobile application, it is expected to develop a work process mobile App, it is expected to develop a work process mobile App easily and quickly with the use of App Inventor and to increase work efficiency even though there is not much knowledge of mobile application development.

Experience of middle-aged female workers participating in cardio-cerebrovascular disease prevention management programs using mobile app (중년 여성 근로자의 모바일 앱을 활용한 심뇌혈관질환 예방관리 프로그램 참여 경험)

  • Yang, Hye Kyung
    • The Journal of the Convergence on Culture Technology
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    • v.7 no.3
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    • pp.105-113
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    • 2021
  • This study is a qualitative study that conducted one-on-one in-depth interviews and focus group interviews to understand the meaning of the experience of participating in a cardio-cerebrovascular disease prevention management program using a mobile app for middle-aged female workers. The subjects of this study were 26 female workers over 50 years of age who participated in a cardio-cerebrovascular disease prevention program using a mobile app in a department store. Participating experience derived from the research result were 'Pleasure of getting to know', 'Activation of mutually friendly relations', 'health concerns take care of me ', 'Accepting an unfamiliar culture', 'Convenience as if receiving counseling anywhere. Through these results, it was shown that the mobile app improves the will to practice health behavior, and it is suggested that a standard to guarantee that the mobile app is a safe program is necessary to reduce anxiety about unfamiliar programs when installing the mobile app.

Effect of Health and Beauty Store App Service Quality on Customer Satisfaction

  • Kyu-dong Kim;Jeong-lae Kim
    • International Journal of Advanced Culture Technology
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    • v.11 no.4
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    • pp.456-463
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    • 2023
  • We conducted this study to identify the components of H&B store app service quality and their effect on customer satisfaction. The survey was conducted through an online survey for teenagers or older with experience in using H&B store app. A total of 330 copies were distributed and a total of 282 copies were used for the final analysis. The results of this study are summarized as follows: First, eight factors such as ease of use & design, fulfillment, playfulness, responsiveness, personalization, security, contextual usefulness, interactivity were derived as service quality components of H&B store app. Second, as a result of regression analysis, the six service quality components, such as 'ease of use & design', 'fulfillment', 'playfulness', 'responsiveness', 'security', and 'interactivity' were found to have a significant positive (+) effect on customer satisfaction (p<0.05) and 'playfulness (β=.372)' had the greatest effect on customer satisfaction. Based on the results of this study, we should strive to establish effective marketing strategies in the H&B industry.

Evaluation of the Effect of Educational Smartphone App for Nursing Students

  • Yeon, Seunguk;Seo, Sukyong
    • International Journal of Advanced Culture Technology
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    • v.7 no.2
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    • pp.60-66
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    • 2019
  • The purpose of this study was to compare the effect of educational smartphone app with the effect of learning using conventional paper material. We developed an educational app for nursing students to learn how to read blood pressure and how to take a pulse. Evaluated was the effect of the app-based education by measuring the short term memory (right after the education), the long term memory (a week later) and the satisfaction. 25 college nursing students participated for the experiment group using the app-based education and 25 for the control group using paper-based education. We applied for statistical analysis Fisher's exact test and Independent t-test. The satisfaction of the app user's appeared significantly higher than that of the paper material user's (t=2.322, p=0.024). The short term memory score was 0.23 points higher in the experimental group (6.46 points) than in the control group (6.23 points), which was not statistically significant (t =0.422, p =0.675). Similar result came for the long term memory (t=1.006, p=0.320). After adjusting for the effect of a college grade using ANCOVA, the effect on memory was significantly higher in the experiment group. There might be differences in learning ability between the experimental and the control groups.

Design of Children and Adolescent's Parents for oral health convergence education App in Mobile Environments

  • Kim, Seok-Hun;Woo, Hee-Sun
    • Journal of the Korea Society of Computer and Information
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    • v.22 no.1
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    • pp.57-62
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    • 2017
  • Children need oral care according to their developmental stage and accordingly, the appropriate dental treatment is different, which requires parents to have an active attitude and the applicable oral knowledge. As there is so much unreliable oral care information and PR, it is hard to find accurate information and parents are in need of a preventative oral healthcare mobile application for healthy oral care. Also, pediatric adolescent care should be focused on prevention rather than treatment and children should be instructed and educated to eat cariogenic foods as little as possible as well as told to brush before going to bed. This study designed a smart application for oral health care education to provide information and knowledge regarding oral health care for infants, oral health education, and oral health care prevention for parents of young children.

Development of Retina Healthcare Service System Using Smart Phone

  • Park, Gi Hun;Han, Ju Hyuck;Kim, Yong Suk
    • International Journal of Advanced Culture Technology
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    • v.7 no.2
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    • pp.227-237
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    • 2019
  • In this paper, we have developed a Retina Healthcare Service System through which the patient himself/herself can manage his/her retina health. In the case of conventional portable ophthalmic cameras, patients cannot check their eye health on their own because most of them are used by doctor in environments where ophthalmography cannot be performed properly. This system consists of web, app and camera modules, and when a patient mounts a camera module for fundus photography on his / her smart phone and then photographs his / her fundus through the app, the image is transmitted to a server, and the transmitted image reads the fundus the patient's fundus image status in the fundus image reading model learned using deep learning. When the doctor expresses his/her opinions about the patient 's eye condition based on the reading result and the fundus photograph, the patient can check through the app and judge whether to receive ophthalmologic treatment.