scholarly journals Choice Behavior of the Elderly Regarding Street-Crossing Facility

2018 ◽  
Vol 2018 ◽  
pp. 1-8
Author(s):  
Chong Wei ◽  
Xuedong Yan ◽  
Chunfu Shao ◽  
Jiang Sun ◽  
Lu Ma
Keyword(s):  
Logistic Model ◽  
Choice Behavior ◽  
Green Light ◽  
The Elderly ◽  
Regression Analyses ◽  
Choice Data ◽  
Street Crossing ◽  
Multilevel Logistic Model ◽  
Remaining Time ◽  
Different Levels

This study aims to understand the street-crossing-facility choice behavior of the elderly. The footbridges were classified into three types with different levels of convenience. On the other hand, the safety of the crosswalk was assumed to be highly related to the remaining time of pedestrian green light. An adaptive SP survey was designed to collect choice data from individuals aged 60 years or above, and a multilevel logistic model was developed to analyze the behavior data. The results indicated that convenience and safety exert significant influence on the facility choice behavior. The choice behavior of the elderly toward making trade-off decision between convenience and safety was further discussed through the multilevel logistic regression analyses.

scholarly journals Residual Brewing Yeast as Substrate for Co-Production of Cell Biomass and Biofilm Using Candida maltosa SM4

Fermentation ◽  
2021 ◽  
Vol 7 (2) ◽  
pp. 84
Author(s):  
Vidal Flores-Copa ◽  
Luis Romero-Soto ◽  
Danitza Romero-Calle ◽  
María Teresa Alvarez-Aliaga ◽  
Felipe Orozco-Gutierrez ◽  
...  
Keyword(s):  
Logistic Model ◽  
Water Retention ◽  
Candida Maltosa ◽  
Brewing Yeast ◽  
Cell Biomass ◽  
Glycosidic Bonds ◽  
Biofilm Production ◽  
High Degree ◽  
Maximal Production ◽  
Different Levels

Candida maltosa was cultivated in the liquid phase of residual brewing yeast, a major brewery residue, to produce biomass and biofilm. Using response surface methodology, the effect of two variables at two different levels was investigated. The independent variables were agitation speed (at 100 and 200 rpm), and aeration (at 1 and 3 L min−1). Aeration was identified to be important for the production of both biomass and biofilm, while agitation was the only factor significantly affecting biofilm production. The maximal production of biofilm (2.33 g L−1) was achieved for agitation of 200 rpm and aeration of 1 L min−1, while the maximum for biomass (16.97 g L−1) was reached for 100 rpm agitation and 3 L min−1 air flow. A logistic model applied to predict the growth of C. maltosa in the exponential phase and the biofilm production, showed a high degree of agreement between the prediction and the actual biomass measured experimentally. The produced biofilms were further characterized using Fourier-transform infrared spectroscopy (FTIR), Scanning Electron Microscopy (SEM) and Thermogravimetric Analysis (TGA). FTIR allowed the identification of methyl, carbonyl ester and sulfate groups, and revealed the presence of uronic acid moieties and glycosidic bonds. Water-retention ability up to relatively high temperatures was revealed by TGA, and that makes the produced biofilm suitable for production of hydrogels. SEM also gave indications on the hydrogel-forming potential of the biofilm.

A Goodness of Fit Test for the Multilevel Logistic Model

2015 ◽  
Vol 45 (2) ◽  
pp. 643-659 ◽  
Author(s):  
A. A. P. N. M. Perera ◽  
M. R. Sooriyarachchi ◽  
S. L. Wickramasuriya
Keyword(s):  
Logistic Model ◽  
Goodness Of Fit ◽  
Goodness Of Fit Test ◽  
Multilevel Logistic Model

Exploring IT Opportunities

2012 ◽  
pp. 349-365
Author(s):  
Ronald Batenburg ◽  
Johan Versendaal ◽  
Elly Breedveld
Keyword(s):  
The Netherlands ◽  
Social Life ◽  
Public Management ◽  
The Elderly ◽  
Costs And Benefits ◽  
Pilot Projects ◽  
Dutch Policy ◽  
Independent Functioning ◽  
Different Levels

There is a growing belief that IT can improve public management in general. The Dutch policy and services with regard to the elderly are no exception. Obviously, IT opportunities in the healthcare domain play a central role in this, since the main objective of policies is to sustain the independent functioning of the elderly in everyday social life. In this research four IT opportunities for elderly policy in The Netherlands are explored through discussion meetings with elderly, and consultation of experts in the field of elderly policy and services. The IT opportunities are designed to align the different levels of motivation and skills of elderly to use IT. Four IT pilot projects are defined, which take into account the costs and benefits of these opportunities to improve the elderly policy chain in The Netherlands.

The Challenges of Managing the Private Institutions of Social Solidarity

2017 ◽  
pp. 23-54
Author(s):  
Teresa Dieguez ◽  
Oscarina Conceição ◽  
Ângela Fernandes
Keyword(s):  
Community Integration ◽  
The Elderly ◽  
Social Solidarity ◽  
Private Institutions ◽  
Private Initiative ◽  
Good Practices ◽  
For Profit ◽  
Not For Profit ◽  
The Social ◽  
Different Levels

The Private Institutions of Social Solidarity (IPSS) are constituted as not-for-profit with the purpose of giving organized expression to the moral duty of solidarity and justice among individuals by private initiative. IPSS helps children, young people and families support social and community integration, assist the elderly and disabled, promote and safeguard health, education and vocational training and resolve housing problems. This study focused on the answers offered to the elderly people, specifically through the service provided on the Social Centers. We tried to analyze existing practices, identify good practices and understand their frequency, while understanding the open-mindedness level to change and innovation. As research methodology we conducted surveys among users and technicians. The study concluded that communication is always present between the different institutions even if in different levels. Networking and good practices customized accordingly to the users keep them satisfied and more active in their daily life.

scholarly journals Contextual income and incidence of disability

2019 ◽  
Vol 53 ◽  
pp. 11
Author(s):  
Ana Lúcia Danielewicz ◽  
Eleonora D’Orsi ◽  
Antonio Fernando Boing
Keyword(s):  
Activities Of Daily Living ◽  
Daily Living ◽  
The Elderly ◽  
Lower Income ◽  
Regression Analyses ◽  
Elderly Individuals ◽  
Instrumental Activities ◽  
The Subject ◽  
Individual Variables ◽  
Elderly Living

OBJECTIVE: Evaluate the association between contextual income and the incidence of disability in basic and instrumental activities of daily living. METHODS: This is a cohort study, with sample of elderly individuals (n = 1,196) residing in Florianópolis, state of Santa Catarina, Brazil. The incidence of disabilities was evaluated using reports of difficulty or inability to perform six basic activities of daily living and nine instrumental activities of daily living after four years. Contextual income was obtained from the 2010 Census. We conducted multilevel logistic regression analyses with adjustment models for individual variables. RESULTS: The incidence of disability in basic activities of daily living was 15.8% (95%CI 13.8–17.9) and in instrumental activities of daily living incidence was 13.4% (95%CI 11.6–15.5). We observed significant association between contextual income and incidence of disability in basic activities of daily living. Having as reference the elderly living in the lower income tercile, those who lived in the intermediary terciles and in that of highest income had 37% (95%CI 0.41–0.96) and 21% (95%CI 0.52–1.19) lower chances of developing disability, respectively. For the incidence of disability in instrumental activities of daily living we observed no statistically significant associations. CONCLUSIONS: Contextual income influences the development of disability in basic activities of daily living in the elderly and should be the subject of actions to reduce socioeconomic inequalities and promote longevity with independence.

scholarly journals Functional Evaluation of Asibot: A New Approach on Portable Robotic System for Disabled People

2012 ◽  
Vol 9 (1) ◽  
pp. 85-97 ◽  
Author(s):  
Alberto Jardón ◽  
Concepción A. Monje ◽  
Carlos Balaguer
Keyword(s):  
Control System ◽  
Degrees Of Freedom ◽  
The Elderly ◽  
Robotic Arm ◽  
Functional Evaluation ◽  
Light Weight ◽  
Disabled People ◽  
New Approach ◽  
Human Care ◽  
Different Levels

In this work, an innovative robotic solution for human care and assistance is presented. Our main objective is to develop a new concept of portable robot able to support the elderly and those people with different levels of disability during the execution of daily tasks, such as washing their face or hands, brushing their teeth, combing their hair, eating, drinking, and bringing objects closer, among others. Our prototype, ASIBOT, is a five degrees of freedom (DOF) self-contained manipulator that includes the control system and electronic equipment on board. The main advantages of the robot are its light weight, about 11 kg for a 1.3 m reach, its autonomy, and its ability to move between different points (docking stations) of the room or from the environment to a wheelchair and vice versa, which facilitates its supportive functions. The functional evaluation of ASIBOT is addressed in this paper. For this purpose the robotic arm is tested in different experiments with disabled people, gathering and discussing the results according to a methodology that allows us to assess users' satisfaction.

Target Acquisition in Cluttered Environments

1992 ◽  
Vol 36 (18) ◽  
pp. 1425-1429 ◽  
Author(s):  
Deborah P. Birkmire ◽  
Robert Karsh ◽  
B. Diane Barnette ◽  
Ramakrishna Pillalamarri
Keyword(s):  
Target Acquisition ◽  
Regression Analyses ◽  
Cluttered Environments ◽  
Video Images ◽  
Detection Probabilities ◽  
Visual Clutter ◽  
Relationship Of ◽  
Global And Local ◽  
The Relationship ◽  
Different Levels

The relationship of human target acquisition times and detection probabilities to electronically measured visual clutter was investigated. Ninety computer-generated scenes simulating infrared imagery and containing different levels of clutter and zero, one, two, or three targets were produced. Targets were embedded in these scenes counterbalancing for range and position. Global and local clutter were measured using both statistical variance and probability of edge metrics. Thirty-three aviators, tankers, and infantry soldiers were shown still-video images of the 90 scenes and were instructed to search for targets. Analyses indicate differences between the aviators and tankers in search times and types of errors. Results of multiple regression analyses of global clutter, local clutter, range, target dimension, target complexity, number of targets, and experience on search times are given and discussed in terms search strategies.

scholarly journals Age-Associated Changes in the Spectral and Statistical Parameters of Surface Electromyogram ofTibialis Anterior

2016 ◽  
Vol 2016 ◽  
pp. 1-6 ◽  
Author(s):  
Ariba Siddiqi ◽  
Sridhar Poosapadi Arjunan ◽  
Dinesh Kant Kumar
Keyword(s):  
Muscle Strength ◽  
Tibialis Anterior ◽  
The Elderly ◽  
Voluntary Contraction ◽  
Maximal Power ◽  
Statistical Parameters ◽  
Surface Electromyogram ◽  
Age Related ◽  
Power Spectral ◽  
Different Levels

Age-related neuromuscular change of Tibialis Anterior (TA) is a leading cause of muscle strength decline among the elderly. This study has established the baseline for age-associated changes in sEMG of TA at different levels of voluntary contraction. We have investigated the use of Gaussianity and maximal power of the power spectral density (PSD) as suitable features to identify age-associated changes in the surface electromyogram (sEMG). Eighteen younger (20–30 years) and 18 older (60–85 years) cohorts completed two trials of isometric dorsiflexion at four different force levels between 10% and 50% of the maximal voluntary contraction. Gaussianity and maximal power of the PSD of sEMG were determined. Results show a significant increase in sEMG’s maximal power of the PSD and Gaussianity with increase in force for both cohorts. It was also observed that older cohorts had higher maximal power of the PSD and lower Gaussianity. These age-related differences observed in the PSD and Gaussianity could be due to motor unit remodelling. This can be useful for noninvasive tracking of age-associated neuromuscular changes.

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