Evaluating the Energy Efficiency of Popular US Smartphone Health Care Apps: Comparative Analysis Study Toward Sustainable Health and Nutrition Apps Practices.

BACKGROUND: The emergence of smartphones has sparked a transformation across multiple fields, with health care being one of the most notable due to the advent of mobile health (mHealth) apps. As mHealth apps have gained popularity, there is a need to understand their energy consumption patterns as an integral part of the evolving landscape of health care technologies. OBJECTIVE: This study aims to identify the key contributors to elevated energy consumption in mHealth apps and suggest methods for their optimization, addressing a significant void in our comprehension of the energy dynamics at play within mHealth apps. METHODS: Through quantitative comparative analysis of 10 prominent mHealth apps available on Android platforms within the United States, this study examined factors contributing to high energy consumption. The analysis included descriptive statistics, comparative analysis using ANOVA, and regression analysis to examine how certain factors impact energy use and consumption. RESULTS: Observed energy use variances in mHealth apps stemmed from user interactions, features, and underlying technology. Descriptive analysis revealed variability in app energy consumption (150-310 milliwatt-hours), highlighting the influence of user interaction and app complexity. ANOVA verified these findings, indicating the critical role of engagement and functionality. Regression modeling (energy consumption = ß0 + ß1 × notification frequency + ß2 × GPS use + ß3 × app complexity + ε), with statistically significant P values (notification frequency with a P value of .01, GPS use with a P value of .05, and app complexity with a P value of .03), further quantified these bases' effects on energy use. CONCLUSIONS: The observed differences in the energy consumption of dietary apps reaffirm the need for a multidisciplinary approach to bring together app developers, end users, and health care experts to foster improved energy conservation practice while achieving a balance between sustainable practice and user experience. More research is needed to better understand how to scale-up consumer engagement to achieve sustainable development goal 12 on responsible consumption and production.

Dietetic Workforce Capacity Assessment for Public Health Nutrition and Community Nutrition.

Worldwide, there is a continued rise in malnutrition and noncommunicable disease, along with rapidly changing dietary patterns, demographics, and climate and persistent economic inequality and instability. These trends have led to a national and global focus on nutrition-specific and nutrition-sensitive interventions to improve population health. A well-trained public health and community nutrition workforce is critical to manage and contribute to these efforts. The study describes the current public health and community nutrition workforce and factors influencing registered dietitian nutritionists (RDNs) to work in these settings and characterizes RDN preparedness, training, and competency in public health and community nutrition. The study was comprised of a cross-sectional, online survey of mostly US RDNs working in public health/community nutrition and semistructured telephone interviews with US-based and global public health and community nutrition experts. RStudio version 1.1.442 was used to manage and descriptively analyze survey data. Thematic analysis was conducted to evaluate expert interviews. Survey participants (n = 316) were primarily women (98%) and White (84%) with the RDN credential (91%) and advanced degrees (65%). Most reported that non-RDNs are performing nutrition-related duties at their organizations. Respondents generally rated themselves as better prepared to perform community nutrition vs public health functions. Interviews were conducted with 7 US-based experts and 5 international experts. Experts reported that non-RDNs often fill nutrition-related positions in public health, and RDNs should more actively pursue emerging public health opportunities. Experts suggested that RDNs are more desirable job candidates if they have advanced public health degrees or prior experience in public health or community nutrition and that dietetic training programs need to more rigorously incorporate public health training and experience. Significant opportunity exists to improve the preparedness and training of the current dietetic workforce to increase capacity and meet emerging needs in public health and community nutrition.