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Spatiotemporal and Behavioral Patterns of Men Who Have Sex With Men Using Geosocial Networking Apps in Shenzhen From Mobile Big Data Perspective: Longitudinal Observational Study

Spatiotemporal and Behavioral Patterns of Men Who Have Sex With Men Using Geosocial Networking Apps in Shenzhen From Mobile Big Data Perspective: Longitudinal Observational Study

In addition, we used Geodetector software (Chinese Academy of Sciences) to measure and attribute the spatially stratified heterogeneity (SSH) feature of gay dating app use in Shenzhen, characterizing the differences both within and between geographic strata. Geodetector uses the q-statistic index to quantify SSH and to assess the interaction outcomes between one or more independent factors. A q value of 0 represents an absence of SSH, while a q value of 1 represents perfect SSH between strata.

Lan Wei, Yongsheng Wu, Lin Chen, Jinquan Cheng, Jin Zhao

J Med Internet Res 2025;27:e69569

Impact of Internet Usage on Depression Among Older Adults: Comprehensive Study

Impact of Internet Usage on Depression Among Older Adults: Comprehensive Study

Third, this paper conducts a heterogeneity analysis across different regions, expanding on current research that mostly focuses on heterogeneity based on demographic characteristics, thus broadening the scope of existing studies. Finally, we offer several specific and actionable policy recommendations, providing a basis for decision-making to improve the mental health of older adults in other high-income countries.

Lin Guo, Yunwei Li, Kai Cheng, Ying Zhao, Wenqiang Yin, Ying Liu

J Med Internet Res 2025;27:e65399

AI-Based Noninvasive Blood Glucose Monitoring: Scoping Review

AI-Based Noninvasive Blood Glucose Monitoring: Scoping Review

Given the heterogeneity of AI models and input data applied in each study, it is beyond the scope of this review to ascertain the best NIBGM system based on performance metrics alone. Furthermore, the lack of standardized reporting and analysis of results, leads to heterogeneity that hampers the comparison of findings across studies. Perhaps a diagnostic accuracy review may be more suited to address the question of which system is best suited to be adopted in various settings.

Pin Zhong Chan, Eric Jin, Miia Jansson, Han Shi Jocelyn Chew

J Med Internet Res 2024;26:e58892

Medication Prescription Policy for US Veterans With Metastatic Castration-Resistant Prostate Cancer: Causal Machine Learning Approach

Medication Prescription Policy for US Veterans With Metastatic Castration-Resistant Prostate Cancer: Causal Machine Learning Approach

The main objective of this study was to evaluate patient-level heterogeneity in the association between prescribed medication and overall survival duration in the form of follow-up days and subsequently to identify a set of prescription rules based on patient-specific factors. We used a causal survival forest to measure heterogeneous treatment effects among patients with m CRPC, focusing on the survival duration.

Deepika Gopukumar, Nirup Menon, Martin W Schoen

JMIR Med Inform 2024;12:e59480

Challenges in Teledermoscopy Diagnostic Outcome Studies: Scoping Review of Heterogeneous Study Characteristics

Challenges in Teledermoscopy Diagnostic Outcome Studies: Scoping Review of Heterogeneous Study Characteristics

These results reveal the heterogeneity among diagnostic outcome studies, which hinders conducting a meta-analysis [8-12]. Moreover, a scoping review on consensus guidelines for teledermatology highlights the need for updating guidelines and thereby incorporating lessons from the COVID-19 pandemic [13].

Femke van Sinderen, Anne P Langermans, Andre W Kushniruk, Elizabeth M Borycki, Monique M Jaspers, Linda W Peute

JMIR Dermatol 2024;7:e60346

Epidemiology of Syphilis in Pregnancy and Congenital Syphilis in Brazil and the Risk or Associated Factors: Protocol for a Systematic Review

Epidemiology of Syphilis in Pregnancy and Congenital Syphilis in Brazil and the Risk or Associated Factors: Protocol for a Systematic Review

Summarizing and analyzing the incidence, prevalence, and risk or associated factors of syphilis in pregnancy and congenital syphilis must take into account location heterogeneity. This type of analysis enables a broader understanding of the problem, improves control strategies and equity in disease management, and establishes reference data to help disease screening efforts in Brazil.

Yago Tavares Pinheiro, Janmilli da Costa Dantas, Jose Rebberty Rodrigo Holanda, Ankilma do Nascimento Andrade Feitosa, Richardson Augusto Rosendo da Silva

JMIR Res Protoc 2024;13:e50702

Association Between Residual Inhibition and Neural Activity in Patients with Tinnitus: Protocol for a Controlled Within- and Between-Subject Comparison Study

Association Between Residual Inhibition and Neural Activity in Patients with Tinnitus: Protocol for a Controlled Within- and Between-Subject Comparison Study

Nevertheless, an incomplete understanding of the underlying pathophysiology and the presence of numerous psychosocial and environmental factors that could influence intervention results may cause heterogeneity and preclude tinnitus subgrouping. As an effect, to date, there are no singularly effective clinical evaluation and treatment methods for subjective tinnitus [12]. Moreover, the current tinnitus diagnosis heavily relies on patient-reported assessments such as questionnaires.

Suyi Hu, Lukas Anschuetz, Markus E Huth, Raphael Sznitman, Daniela Blaser, Martin Kompis, Deborah A Hall, Marco Caversaccio, Wilhelm Wimmer

JMIR Res Protoc 2019;8(1):e12270