14 results found

Mengyao Yue, Xuan Lu, Peiyun Li, Yunmin Yi, Luhui Yi

Background Visual impairment is a major contributor to functional decline and reduced quality of life among older adults. While biological and demographic factors are well established, the role of fam...

BMC Public Health 2026-04-24 rs-9157332
Visual impairment Intergenerational support Aging Social support Longitudinal cohort China

Tara Delorme, Mackenzie Gamble, Ryan Logan

Quantitative behavioral analysis increasingly relies on video-based approaches combined with machine-learning tools to capture posture, locomotion, and complex behaviors that cannot be easily quantifi...

Research Square 2026-04-23 rs-9294707
raspberry pi camera system behavioral video recording open-source

Arman Ghavidel, Pilar Pazos, Hyoshin J. Park, John Seems

Prostate cancer risk prediction remains challenged by the inability to reliably distinguish indolent from aggressive disease, leading to overtreatment or undertreatment. Conventional approaches based ...

Research Square 2026-04-23 rs-9490581
Prostate cancer Risk stratification Longitudinal PSA/DRE Deep learning Outcome-guided clustering

Qiuping ZHOU, Walter Yu Hang LAM, Colman McGrath

Background There is a scarcity of longitudinal, population-level evidence on the association between chronic diseases and tooth loss. This study aimed to determine the association between chronic dise...

BMC Oral Health 2026-04-23 rs-8770474
Edentulism Chronic disease Morbidity CHARLS China

Małgorzata Bronikowska

Background This longitudinal study investigated the development of moral competence among adolescents and examined the influence of selected environmental factors, including religion, education, paren...

BMC Public Health 2026-04-23 rs-9278671
Moral competence Adolescents Moral development Environmental influences Longitudinal study

Samira Deylaghian, Petri T. Piiroinen, Mats Jonasson

This study focuses on the analysis of longitudinal low-speed vehicle motion, with a particular focus on jerk during starting, stopping and transient dynamics caused by braking. For this purpose a mini...

Multibody System Dynamics 2026-04-23 rs-8870852
Longitudinal vehicle dynamics Dry friction Filippov systems Dynamic analysis Jerk

Woo Jeong Sim, Mi Jung Rho, Gyeong-U Hong, Soo Hyun Lee

Background Depression is a major mental health problem among older adults and associated with physical health deterioration and social isolation. As population aging accelerates, the prevalence of chr...

BMC Geriatrics 2026-04-22 rs-9369335
Older people Depression Chronic conditions Social relationships Income level Longitudinal study Generalized estimating equation

Atanu Bhattacharjee

Joint models of longitudinal and time-to-event data are essential for dynamic prediction in chronic disease research, but standard formulations typically assume linear biomarker–hazard associations an...

BMC Medical Research Methodology 2026-04-21 rs-9013474
joint modelling bidirectional feedback semi-parametric links dynamic prediction electronic health records

Shukhrat Djabbarov, Abdusaid Yuldashov, Bakhrom Abdullaev, Irina Soboleva, Шерзод Файзибаев, Nargiza Yuldashova, Nassim Rustamov

The safe operation of heavy freight trains on steep mountain railway sections depends on effective control of longitudinal in-train forces during start-up and traction transitions. This study investig...

Scientific Reports 2026-04-21 rs-9364175
longitudinal train dynamics coupler force freight train steep gradient field validation MSC Adams

Carmen Fernández-González, Hichem Saoudi, Celia Mazariegos-Iglesias, Beatriz de la Calle, Francisco Javier Díaz-Pernas, Míriam Antón-Rodríguez, David González-Ortega, Daniel Iordanov, Mario Martínez-Zarzuela

Precise characterization of gait patterns is essential for the clinical assessment of motor disorders, such as cerebral palsy (CP) and idiopathic toe walking (ITW). While laboratory-based motion captu...

Research Square 2026-04-21 rs-9471086
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