3 research outputs found
Pasos Adelante: The Effectiveness of a Community-based Chronic Disease Prevention Program
BACKGROUND: Implementing programs that target primary prevention of chronic diseases is critical for at-risk populations. Pasos Adelante, or "Steps Forward," is a curriculum aimed at preventing diabetes, cardiovascular disease, and other chronic diseases in Hispanic populations. Pasos Adelante is adapted from the National Heart, Lung, and Blood Institute's cardiovascular disease prevention curriculum, Su CorazĂłn, Su Vida, and includes sessions on diabetes and community advocacy and incorporates walking clubs. CONTEXT: The Pasos Adelante curriculum was implemented in two Arizona, United States-Sonora, Mexico border counties. Key issues in these communities are safety, access to recreational facilities, climate, and cultural beliefs. METHODS: Pasos Adelante is a 12-week program facilitated by community health workers. The program includes interactive sessions on chronic disease prevention, nutrition, and physical activity. Evaluation of the program included precurriculum and postcurriculum questionnaires with self-reported measures of physical activity and dietary patterns. Approximately 250 people participated in the program in Yuma and Santa Cruz counties. CONSEQUENCES: Postprogram evaluation results demonstrate a significant increase in moderate to vigorous walking among participants and shifts in nutritional patterns. INTERPRETATION: The Pasos Adelante program demonstrates that an educational curriculum in conjunction with the support of community health workers can motivate people in Arizona/Sonora border communities to adopt healthy lifestyle behaviors
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Household health care expenditure and health services utilization decisions in Honduras
This study utilizes national household income and expenditure data from Honduras, collected by the Honduran Central Bank in 1998--99, to examine two distinct health issues. First a tobit censored regression model is estimated to identify the variables that affect monthly household expenditures on health. This analysis is then used to examine income elasticities for health goods. Secondly, a nested bivariate probit model is used to study the socio-economic and demographic variables that influence a Honduran household's decision to seek health services attention when a household member is acutely ill and, consequently, how they then choose between public and private health services
Dermatologist-like explainable AI enhances trust and confidence in diagnosing melanoma
Abstract Artificial intelligence (AI) systems have been shown to help dermatologists diagnose melanoma more accurately, however they lack transparency, hindering user acceptance. Explainable AI (XAI) methods can help to increase transparency, yet often lack precise, domain-specific explanations. Moreover, the impact of XAI methods on dermatologists’ decisions has not yet been evaluated. Building upon previous research, we introduce an XAI system that provides precise and domain-specific explanations alongside its differential diagnoses of melanomas and nevi. Through a three-phase study, we assess its impact on dermatologists’ diagnostic accuracy, diagnostic confidence, and trust in the XAI-support. Our results show strong alignment between XAI and dermatologist explanations. We also show that dermatologists’ confidence in their diagnoses, and their trust in the support system significantly increase with XAI compared to conventional AI. This study highlights dermatologists’ willingness to adopt such XAI systems, promoting future use in the clinic