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9%. CONCLUSIONS Support from the top management, appointment of a nurse supervisor as the change agent, recruitment of seed members to establish a pioneer team, and promotion of the system through the influence of opinion leaders in small groups were critical success factors needed for implementing the system in the case hospital. The target system was proven to be able to improve work performance, and the time saved could be further used for patient care, thereby increasing the value of nursing work. The positive experiences gained from this study could lay the foundation for the further promotion of the new system, and this is for future studies to replicate. FX11 order The example of the successful experience of the case hospital could also serve as a reference for other hospitals in developing countries like Taiwan with regard to the promotion of nursing informatization. ©Min-Chi Liao, I-Chun Lin. Originally published in JMIR mHealth and uHealth (http//mhealth.jmir.org), 25.03.2020.BACKGROUND Opioid use disorder (OUD) poses medical and societal concerns. Although most individuals with OUD in the United States are not in drug abuse treatment, buprenorphine is considered a safe and effective OUD treatment, which reduces illicit opioid use, mortality, and other drug-related harms. However, as buprenorphine prescriptions increase, so does evidence of misused, abused, or diverted buprenorphine. Users’ motivations for extratreatment use of buprenorphine (ie, misuse or abuse of one’s own prescription or use of diverted medication) may be different from the motivations involved in analgesic opioid products. Previous research is based on small sample sizes and use surveys, and none directly compare the motivations for using buprenorphine products (ie, tablet or film) with other opioid products having known abuse potential. OBJECTIVE The aim of the study was to describe and compare the motivation-to-use buprenorphine products, including buprenorphine/naloxone (BNX) sublingual film and oxycodone eted buprenorphine products for self-treatment, recreational use was a motivation expressed in more than one-third of buprenorphine posts. ©Stephen F F Butler, Natasha K Oyedele, Taryn Dailey Govoni, Jody L Green. Originally published in JMIR Public Health and Surveillance (http//publichealth.jmir.org), 25.03.2020.BACKGROUND Many children and adolescents are surrounded by smartphones, tablets and computers and know how to search the Internet on almost any topic. However, very few of them know how to select proper information from reliable sources. This can become a problem when health issues are concerned where it is vital to identify incorrect or misleading information. The competence to critically evaluate digital information on health issues is of increasing importance for adolescents. OBJECTIVE The aim of the present study was to assess how children and adolescents rate their online health literacy, how their actual literacy differs from their rating, including the question how their search performance is related to their self-efficacy. To evaluate these questions a criteria-based analysis of the quality of the websites they visited is necessary. Finally, the possibility to increase their online health literacy in a 3-day workshop should be explored. METHODS A workshop with a focus on health literacy was attended barch as well as to slightly improve their respective competence in a workshop. A targeted improvement of health literacy is urgently needed and students need special instruction for that purpose. Further investigations in this area with larger sets of data, feasible with the help of a computer program, are urgently needed. CLINICALTRIALBACKGROUND Quantification of dietary intake is key to the prevention and management of numerous metabolic disorders. Conventional approaches are challenging, laborious, and lack accuracy. The recent advent of depth-sensing smartphones in conjunction with computer vision could facilitate reliable quantification of food intake. OBJECTIVE The objective of this study was to evaluate the accuracy of a novel smartphone app combining depth-sensing hardware with computer vision to quantify meal macronutrient content using volumetry. METHODS The app ran on a smartphone with a built-in depth sensor applying structured light (iPhone X). The app estimated weight, macronutrient (carbohydrate, protein, fat), and energy content of 48 randomly chosen meals (breakfasts, cooked meals, snacks) encompassing 128 food items. The reference weight was generated by weighing individual food items using a precision scale. The study endpoints were (1) error of estimated meal weight, (2) error of estimated meal macronutrient content and a broad range of food items. In addition, the system demonstrated high segmentation performance and low processing time, highlighting its usability. ©David Herzig, Christos T Nakas, Janine Stalder, Christophe Kosinski, Céline Laesser, Joachim Dehais, Raphael Jaeggi, Alexander Benedikt Leichtle, Fried-Michael Dahlweid, Christoph Stettler, Lia Bally. Originally published in JMIR mHealth and uHealth (http//mhealth.jmir.org), 25.03.2020.BACKGROUND Use of SMS for data collection is expanding, but coverage, bias, and logistical constraints are poorly described. OBJECTIVE The aim of this study is to assess the use of SMS to capture clinical outcomes that occur at home and identify potential biases in reporting compared to in-person ascertainment. METHODS In the PrEP Implementation in Young Women and Adolescents program, which integrated pre-exposure prophylaxis (PrEP) into antenatal care, postnatal care, and family planning facilities in Kisumu County, Kenya, HIV-negative women 14 years of age or older were offered oral HIV self-tests (HIVSTs) to take home to male partners. Women that brought a phone with a Safaricom SIM to the clinic were offered registration in an automated SMS system (mSurvey) to collect information on HIVST outcomes. Women were asked if they offered the test to their male partners, and asked about the test process and results. HIVST outcomes were collected via SMS (sent 2.5 weeks later), in-person (if women returned for a follow-up scheduled 1 month later), or using both methods (if women initiated PrEP, they also had scheduled follow-up visits).