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Tytuł:
A study of character strengths, work engagement and subjective well-being in Chinese registered nurses
Autorzy:
Ding, Xiaotong
Kan, Houming
Chu, Xueqin
Sun, Chenyu
Ruan, Feiyan
Powiązania:
https://bibliotekanauki.pl/articles/2118794.pdf
Data publikacji:
2022-09-05
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
nurse
work engagement
subjective well-being
cross-sectional study
character strengths
mediating effect
Opis:
Background: Nurses displayed low levels of subjective well-being and high turnover intention. How to enhance the subjective well-being and decrease the turnover rate of nurses is of great importance. However, little is known about whether work engagement mediates between character strengths and subjective well-being. The study aims to explore character strengths, work engagement and subjective well-being in nurses, and to determine whether work engagement plays a mediating role between the relationship. Material and Methods: From December 2017 to December 2018, 450 Chinese registered nurses completed the character strengths scale, work engagement scale, and subjective well-being scale. The relationship between study variables was tested by Pearson correlation. The mediating effect of work engagement was tested by the bootstrap method. Results: The results indicated the following: (1) the 4 elements of character strengths and work engagement were significantly and positively correlated with subjective well-being; (2) character strengths could significantly predict both work engagement and subjective well-being; (3) work engagement played a mediating role in this relationship. Conclusions: Character strengths affect subjective well-being in Chinese registered nurses, and work engagement plays a mediating variable among the relations. Therefore, nurses are encouraged to foster their character strengths and improve their level of work engagement for their subjective well-being. Following the results, the study recommends that nursing managers be aware of the importance of using character strengths in nursing work, taking actions to excavate nurses’ character strengths and encouraging nurses to use character strengths in clinical work to promote engagement and well-being. In the meantime, interventions to improve the level of subjective well-being based on nurses’ character strengths should be considered.
Źródło:
Medycyna Pracy; 2022, 73, 4; 294-304
0465-5893
2353-1339
Pojawia się w:
Medycyna Pracy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ANALIZA LOKALNYCH ZALEŻNOŚCI PRODUKCJI PRZEMYSŁOWEJ NA PRZYKŁADZIE POWIATÓW WOJEWÓDZTWA LUBUSKIEGO
ANALYSIS OF LOCAL DEPENDENCIES OF INDUSTRIAL PRODUCTION ON THE EXAMPLE OF POVIATS OF THE LUBUSKIE VOIVODESHIP
Autorzy:
Szczuciński, Przemysław
Powiązania:
https://bibliotekanauki.pl/articles/453389.pdf
Data publikacji:
2018
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
rozwój lokalny
powiaty
dane przekrojowo-czasowe
modele panelowe
local development
poviats
cross-sectional time data
panel models
Opis:
Rozwój lokalny rozumieć można jako proces wpływający na relacje między produkcją i konsumpcją oraz lokalne warunki życia na danym terytorium. W artykule przybliżono temat w przekroju powiatów województwa lubuskiego. Dokonano analizy opisowej struktury pracujących oraz zbadano zmiany wielkości produkcji sprzedanej przemysłu według powiatów. W celu modelowania zależności dotyczących kształtowania się produkcji sprzedanej, ze względu na specyfikę danych, użyto modele panelowe. Estymacji i weryfikacji, na tle zwykłego modelu regresji, poddano modele z efektami ustalonymi i losowymi.
Local development can be understood as a process affecting the relation between production and consumption, and local living conditions in a given territory. The topic of the cross-section of poviats of the Lubuskie Voivodeship was presented in this dissertation. A descriptive analysis of the structure of employed was carried out and the changes in the volume of sold production of industry by poviats were examined. In order to model dependencies regarding the development of sold production, due to the specificity of the data, panel models were used. The models with fixed and random effects were subjected to estimation and verification in the context of the pooled regression model.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2018, 19, 3; 274-283
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza Monte Carlo własności testów kointegracji dla panelowego procesu var z międzyprzekrojowymi wektorami kointegrującymi
Monte Carlo comparison of LCCA- and ML-based cointegration tests for panel var process with cross-sectional cointegrating vectors
Autorzy:
Kębłowski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/964888.pdf
Data publikacji:
2018
Wydawca:
Główny Urząd Statystyczny
Tematy:
międzyprzekrojowe wektory kointegrujące
analiza korelacji kanonicznej
testy kointegracji
panelowy model VAR
procedura Boxa i Tiao
cross-sectional cointegrating vectors
canonical correlation analysis
cointegration tests
panel var model
box and tiao approach
Opis:
Small-sample properties of bootstrap cointegration rank tests for unrestricted panel VAR process are considered when long-run cross-sectional dependencies occur. It is shown that the bootstrap cointegration rank tests for the panel VAR model based on levels canonical correlation analysis are oversized, whereas the bootstrap cointegration rank tests based on maximum likelihood framework are undersized. Moreover, the former tests are in general outperformed by the latter in terms of performance. The results of the investigation indicate that the ML-based bootstrap cointegration rank tests perform well in small samples for small-sized panel VAR models with a few cross-sections.
W artykule przedstawiono wyniki badania własności bootstrapowych testów kointegracji dla panelowego procesu VAR z międzyprzekrojowymi wektorami kointegrującymi. Wyniki badania wskazują, że bootstrapowe testy kointegracji dla modelu PVAR, które oparte są na analizie korelacji kanonicznej poziomów, cechują się przeszacowaniem rozmiaru testu, z kolei bootstrapowe testy kointegracji dla modelu PVAR wywiedzione z metody największej wiarygodności charakteryzują się zwykle niedoszacowaniem rozmiaru testu. Wykazano również, że bootstrapowe testy kointegracji dla modelu PVAR wywiedzione z metody największej wiarygodności cechują się zwykle lepszymi własnościami ze względu na moc testu. Wyniki badania wskazują, że własności bootstrapowych testów kointegracji dla modelu PVAR wywiedzionych z metody największej wiarygodności cechują się satysfakcjonującymi własnościami małopróbkowymi dla małowymiarowych modeli PVAR z ograniczoną liczbą przekroi.
Źródło:
Przegląd Statystyczny; 2018, 65, 2; 173-182
0033-2372
Pojawia się w:
Przegląd Statystyczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Association between depression, parameters of adiposity and genetic polymorphisms of pro-inflammatory cytokines: IL-1α, IL-1β, IL-2 and IL-6 in subjects over 55 years old
Autorzy:
Adler, Grażyna
Skonieczna-Żydecka, Karolina
Madlani, Agnieszka
Ogonowski, Jarosław
Grochans, Elżbieta
Pierzak-Sominka, Joanna
Brodowski, Jacek
Karakiewicz, Beata
Powiązania:
https://bibliotekanauki.pl/articles/1038807.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
cross sectional study
genetic variants of cytokines
obesity
depression
Opis:
Background. During the last few decades, adiposity has become a relatively common phenomenon worldwide. The available data on the effects of pro-inflammatory factors in both depression and adiposity has been attracting great attention. Aim. We sought to assess the prevalence of -889C>T IL-1α, -31T>C and -511C>T IL-1β, -330T>G IL-2 and -174G>C IL-6 genes and their association with adiposity and depression in Polish subjects. Methods. A cohort study was conducted in 2013/2014, covering a sample of 297 individuals (217 female and 80 male). Anthropometric data was handled using the BIA analysis method, while for genotyping PCR-RFLP techniques were used. Results. A positive correlation between depression and anthropometric parameters: adipose tissue (in kg) and adipose tissue (in %) (R=0.135 and p=0.02, R=0.114 and p<0.05, respectively) was found. No association between studied polymorphisms and depression was observed. Conclusion. Although it was not possible to demonstrate any influence of the studied polymorphisms as the genetic modulator of depression, authors believe that the presented data are noticeable and may provide the basis for future studies on larger groups.
Źródło:
Acta Biochimica Polonica; 2016, 63, 2; 253-259
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Association between metabolic syndrome and disability due to low back pain among care workers
Autorzy:
Tsuboi, Yamato
Ueda, Yuya
Sugimoto, Taiki
Naruse, Fumihiro
Ono, Rei
Powiązania:
https://bibliotekanauki.pl/articles/2161781.pdf
Data publikacji:
2017-11-03
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
metabolic syndrome
Disability
low back pain
healthcare workers
cross-sectional studies
epidemiological studies
Opis:
Objectives: To elucidate the association between metabolic syndrome (MetS) and disability due to low back pain (LBP) among care workers. Material and Methods: This cross-sectional study enrolled 656 care workers having experienced LBP in the year prior to the year of this study. The Roland-Morris Disability questionnaire (RDQ) and self-reported questionnaires regarding LBP, fear of movement, depressive symptom, psychosocial factors, intensity of pain, and duration of pain were administered, and a medical examination was performed. Metabolic syndrome was defined according to the international definition agreed in 2009. Out of the 656 care workers, we included 316 care workers (response rate: 48.2%) who had fully completed the questionnaires as the study sample (males: 13.6%, median age = 51 years old, range: 35–74 years old). To examine the association between MetS and the level of disability due to LBP, we used the Poisson regression analysis and estimated crude and adjusted prevalence ratios (PR). Results: Out of the 316 care workers, 52 (16.5%) were diagnosed as having MetS. Metabolic syndrome was significantly associated with the RDQ score (adjusted PR: 1.57, 95% confidence interval (CI): 1.17–2.11) after adjusting for covariates, such as age, sex, fear of movement, job demands, social support, intensity of pain, and duration of pain. Conclusions: This study showed that MetS was independently associated with disability due to LBP among care workers. A multidisciplinary intervention taking MetS into consideration may be an effective way to reduce disability due to LBP in people with both LBP and MetS. Int J Occup Med Environ Health 2018;31(2):165–172
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2018, 31, 2; 165-172
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Association of sports and physical activity with obesity among teenagers in Poland
Autorzy:
Glinkowska, Bożena
Glinkowski, Wojciech M.
Powiązania:
https://bibliotekanauki.pl/articles/2162035.pdf
Data publikacji:
2018-12-20
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
survey
sport
overweight
children and adolescents
body mass index
cross sectional
Opis:
Objectives The purpose of the study was to assess the relationship between the body mass index and sports and physical activities in an unbiased, simple, random sample of teenagers from mid-northeastern Poland. Material and Methods Children and adolescents aged 10–19 years old were surveyed. The Internet-based survey was conducted to collect information on physical activity, leisure time, studying hours, weight, and height. Results Obesity was found to be low in the study population. The overall prevalence of overweight was not higher than 8%. Only 0.6% of participants were underweight. Overall, 68% of them confirmed participating in sports. Boys were frequently more active than girls (> 70% boys and > 60% girls). Participants mostly played soccer, volleyball, handball, or basketball (30.5%); 7% of them practiced martial arts and 16.5% of them participated in swimming. Sports activity significantly influenced body mass index. Obesity was not related to the lack of participation for physical activity in girls but a significant relationship was observed in boys (p < 0.02). The risk of obesity or overweight for inactive teenagers increased 2-fold (p < 0.01). Conclusions We report the overall participation of teenagers from 2 cities in mid-northeastern Poland in sports and physical activities and demonstrate that the lack of statistically significant differences in the body mass index and obesity and overweight is prevalent among boys and girls. Obesity was significantly related to less physical activity in boys, and the likelihood of obesity or overweight increased in inactive teenagers. Thus, we suggest that the importance of overweight and obesity prevention programs should be emphasized. Int J Occup Med Environ Health 2018;31(6):771–782
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2018, 31, 6; 771-782
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Child sexual abuse based on the crosswise model: a cross-sectional study on 18–24-year-old Iranian students
Autorzy:
Vakilian, Katayon
Abbas Mousavi, Syyed
Keramat, Afsaneh
Powiązania:
https://bibliotekanauki.pl/articles/552723.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Przyjaciół Medycyny Rodzinnej i Lekarzy Rodzinnych
Tematy:
child abuse
students
cross-sectional studies.
Opis:
Background. Child sexual abuse refers to the compulsory sexual stimulation of a child or adolescent by an adult or older adolescent and includes a wide range of behavior, such as exhibitionism, fondling, sexual intercourse and using children for pornography. Objectives. The present study used the crosswise model to investigate childhood sexual abuse among Iranian university students. Material and methods. This cross-sectional study used a multi-stage method to examine 1,500 subjects in the universities of Shahroud, Iran. The questionnaire consisted of a pair of questions evaluating sexual abuse based on the crosswise approach, one sensitive and the other non-sensitive. To ensure the confidentiality of information, the questionnaire was distributed anonymously among the 1,500 students of 6 universities, and the students’ field of study was not mentioned. The collected data was analyzed with descriptive tests (mean and percent) and inferential tests, (independent t-test, chi-squared and crosswise) using SPSS 18 and STATA software. Results. A total of 11% of the girls and 27% of the boys were found to have suffered a form of sexual abuse. Conclusions. The results indicate a high prevalence of sexual abuse among Iranian children. Evaluating sexual abuse helps health policymakers to focus on parent training through health programs and educational programs in schools
Źródło:
Family Medicine & Primary Care Review; 2019, 3; 249-252
1734-3402
Pojawia się w:
Family Medicine & Primary Care Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computer Professionals and Carpal Tunnel Syndrome (CTS)
Autorzy:
Ali, K. M.
Sathiyasekaran, B. W. C.
Powiązania:
https://bibliotekanauki.pl/articles/90158.pdf
Data publikacji:
2006
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
musculoskeletal disorders
cross-sectional study
occupational disorder
Tinel’s sign
Phalen’s sign
wrist
hand
body mass index
nadgarstek
ręka
praca a choroby
komputer
choroby narządów ruchu
pozycja przy pracy
choroba zawodowa
syndrom cieśni nadgarstka
Opis:
Carpal Tunnel Syndrome (CTS) is an important problem among computer professionals. Hence the prevalence of CTS among computer professionals and risk factors were studied. 648 subjects were selected from 4,276 computer professionals from 21 companies with a simple random sampling method. CTS was diagnosed based on clinical features.The prevalence of CTS was found to be 13.1% (95% CI 10.5–15.7%). Subjects with over 8 years of computer work, over 12 hrs of work per day and system administrators were at a higher risk for CTS (OR 3.3, 4.9 and 2.5 respectively). Flexed or extended hand position had higher risk for CTS. Higher risk for CTS was found with higher exposure to computer work. Ergonomic considerations are important in facilitating proper positioning of hand while working with a computer. Further studies on CTS risk factors among computer professionals are essential for planning prevention.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2006, 12, 3; 319-325
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CROSS-SECTIONAL RETURNS FROM DIVERSE PORTFOLIO OF EQUITY INDICES WITH RISK PREMIA EMBEDDED
Autorzy:
Sakowski, Paweł
Ślepaczuk, Robert
Wywiał, Mateusz
Powiązania:
https://bibliotekanauki.pl/articles/453405.pdf
Data publikacji:
2015
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
cross-sectional models
asset pricing models
equity risk premium
equity indices
new risk factors
sensitivity analysis
book to market
momentum
market price of risk
emerging and developed equity indices
Opis:
The main purpose of this article is to extend evaluation of classic Fama-French and Carhart model for global equity indices. We intend to check the robustness of models results when used for a wide set of equity indices instead of single stocks for the given country. Such modification enables us to estimate equity risk premium for a single country. However, it requires several amendments to the proposed methodology for single stocks. Our empirical evidence reveals important differences between the conventional models estimated on single stocks, either international or US-only, and models incorporating whole markets. Our novel approach shows that the divergence between indices of the developed countries and those of emerging markets is still persistent. Additionally, research on weekly data for equity indices presents rationale for explanation of equity risk premia differences between variously sorted portfolios.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2015, 16, 2; 89-101
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determinants of environmental domain of quality of life in economically active population living in Silesian agglomeration, Poland
Autorzy:
Kowalska, Małgorzata
Danso, Felix
Humeniuk, Maria
Kułak, Elżbieta
Arasiewicz, Hubert
Powiązania:
https://bibliotekanauki.pl/articles/2179798.pdf
Data publikacji:
2013-03-01
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
cross-sectional study
quality of life
WHOQOL-BREF questionnaire
Opis:
Objectives: The aim of this paper is to identify the factors that determine the environmental domain of quality of life in economically active adults living in the industrial agglomeration in Poland. Materials and Methods: During the crosssectional epidemiological study conducted among the economically active population aged 45–60, we used a short version of the WHOQOL-BREF questionnaire. Respondents were recruited randomly from selected factories located in the Silesian Agglomeration. The statistical analysis used descriptive and analytical methods available in the Statistica 9.0 software. Results: The results confi rmed the statistically signifi cant association between marital status, type of occupational activity, declared health status, and the environmental domain of quality of life in economically active inhabitants of the Silesian Agglomeration. The best qualities of life in the environmental domain were those of married people, white collars, and persons who declared their health status to be the best. Conclusions: The major determinants of environmental quality of life in economically active population living in the industrial agglomeration include non-occupational factors, such as marital status and current health status, while a signifi cantly better quality of life was associated with being a white-collar worker and not living in the vicinity of the road with heavy traffic. The results may be useful for future planned activities intended to improve the health and the quality of working life.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2013, 26, 1; 132-143
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of Fiber Cross Sectional Shape and Weave Pattern on Thermal Comfort Properties of Polyester Woven Fabrics
Wpływ przekroju poprzecznego włókien oraz splotów tkackich na właściwości komfortu cieplnego tkanin poliestrowych
Autorzy:
Karaca, E.
Kahraman, N.
Omeroglu, S.
Becerir, B.
Powiązania:
https://bibliotekanauki.pl/articles/231887.pdf
Data publikacji:
2012
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
krzyż kształt przekroju
poliester
przepuszczalność pary wodnej
przepuszczalność powietrza
właściwości termiczne
wzór splot
air permeability
cross sectional shape
polyester
thermal properties
water vapour permeability
weave pattern
Opis:
Thermal comfort properties, i.e. thermal conductivity, thermal absorption and thermal resistance, and the water vapour and air permeabilities of fabrics woven from different cross sectional shaped polyester fibres were investigated. A total of eight woven fabrics were produced in two different weave patterns (plain and twill) from polyester yarns of four different fibre cross sectional shapes (round, hollow round, trilobal and hollow trilobal). The fabrics consisting of hollow fibres had higher thermal conductivity and thermal absorption values but lower thermal resistance, water vapour and air permeability values than their counterparts of solid fibres. The twill fabrics produced from trilobal fibres showed the lowest thermal conductivity and thermal absorption but the highest thermal resistance, water vapour and air permeability.
Badano właściwości komfortu cieplnego tkanin: przewodność termiczną, absorpcję oraz opór termiczny, jak również przepuszczalność pary wodnej i powietrza. Wyprodukowano 8 tkanin stosując dwa różne sploty (płócienny i ukośny) z przędz poliestrowych wykonanych z włókien o czterech różnych kształtach przekroju poprzecznego (okrągły, okrągły z otworem, trójkątny, trójkątny z otworem). Włókna z lumenem posiadały wyższą przewodność termiczną i współczynnik absorpcji, a niższą oporność termiczną, przepuszczalność pary wodnej i powietrza w stosunku do tkanin z włókien o pełnym przekroju. Tkaniny o splocie skośnym z włóknami o przekroju trójkątnym wykazywały najniższą przewodność termiczną i współczynnik absorpcji ale najwyższą oporność termiczna oraz przepuszczalność pary wodnej i powietrza.
Źródło:
Fibres & Textiles in Eastern Europe; 2012, 3 (92); 67-72
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Elastic beam resting on Vlasov elastic foundation and subjected to an external concentrated load
Belka sprężysta spoczywająca na podłożu sprężystym Własowa o wybranych warunkach brzegowych
Autorzy:
Nagirniak, M.
Rusakov, K.
Powiązania:
https://bibliotekanauki.pl/articles/2084076.pdf
Data publikacji:
2021
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
elastic beam
Vlasov foundation
cross-sectional forces
beam deflection
displacement
disappearance function
Opis:
The paper presents the problem of bending of a beam uniformly loaded along its entire length, resting freely on an elastic Vlasov foundation with an additional external load G applied to the ground at a distance a from the beam end. The given example is a special case of a beam resting freely on an elastic foundation, which is present in many cases of building practice. The paper considers an approximate solution for the influence of an additional load G on the deflection and cross-sectional forces of a beam resting freely on Vlasov elastic subsoil. Graphs of a deflection of the beam and of a soil surface layer beyond the limits of the beam, as well as graphs of bending moments and transverse forces in the beam have been presented. The influence of an additional load applied in a distance a on the deflection and cross-sectional forces in the beam has been investigated.
Źródło:
Acta Scientiarum Polonorum. Architectura; 2021, 20, 4; 29-35
1644-0633
Pojawia się w:
Acta Scientiarum Polonorum. Architectura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Elastic moduli of carbon nanotubes with new geometry based on FEM
Autorzy:
Fereidoon, A.
Rajabpour, M.
Hemmatian, H.
Powiązania:
https://bibliotekanauki.pl/articles/279985.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
elastic moduli
elliptic single walled carbon nanotubes
length
chirality
cross sectional aspect ratio
finite element model
Opis:
In this paper, the elastic moduli of elliptic single walled carbon nanotubes (ESWCNTs) are described. A three-dimensional finite element (FE) model for such carbon nanotubes is proposed. The covalent bonds are simulated by beam elements in the FE model. The elastic moduli of beam elements are ascertained from a linkage between molecular and continuum mechanics. The deformations of the FE model are subsequently used to predict the elastic moduli of ESWCNTs. In order to demonstrate the FE performance, the influence of length, chirality, diameter and cross sectional aspect ratios on the elastic moduli (Young’s modulus and shear modulus) of ESWCNTs is investigated. It is found that the cross sectional aspect ratio of ESWCNTs significantly affects the elastic moduli. With increasing cross sectional aspect ratio, the Young’s modulus and shear modulus decrease. As a result, every change in geometry operates as a defect and decreases the elastic moduli. With increasing the length, Young’s modulus increases and the shear modulus decreases.
Źródło:
Journal of Theoretical and Applied Mechanics; 2014, 52, 1; 235-245
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of the Finnish Diabetes Risk Score (FINDRISC) for diabetes screening in occupational health care
Autorzy:
Vandersmissen, Godelieve J.
Godderis, Lode
Powiązania:
https://bibliotekanauki.pl/articles/2177344.pdf
Data publikacji:
2015-04-24
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
diabetes mellitus
occupational health
questionnaires
cross-sectional studies
Opis:
Objectives The objective of the study was to investigate the prevalence of undiagnosed dysglycaemia and the risk for type 2 diabetes using the Finnish Diabetes Risk Score (FINDRISC) in the working population of Belgium. Moreover, it was to evaluate performance and applicability of FINDRISC as a screening tool during occupational health surveillance. Material and Methods A cross-sectional analysis was carried out over the years 2010–2011 among 275 healthy employees who underwent a health check including fasting plasma glucose and the FINDRISC questionnaire. The sensitivity, specificity and predictive value of different FINDRISC cut-off values to detect dysglycaemia was revised in the literature and then calculated. Results The prevalence of unknown dysglycaemia was 1.8%. Twelve percent of the employees had a FINDRISC score of 12 to 14 corresponding to a moderate risk of 17% to develop diabetes within the next 10 years, and 5.5% had a score of 15 or more corresponding to a high – very high risk of 33% to 50%. All dysglycaemic individuals had a FINDRISC score of 12 or higher. The sensitivity and specificity for detecting dysglycaemia was respectively 100% and 84.1% for a FINDRISC cut-off value ≥ 12; and 80% and 95.9% for a cut-off value ≥ 15. Conclusions A considerable number of workers had dysglycaemia or was at risk for developing type 2 diabetes. The questionnaire is a reliable, valuable and easy to use screening tool in occupational health surveillance.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2015, 28, 3; 587-591
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exposure to self-reported occupational noise and diabetes – A cross-sectional relationship in 7th European Social Survey (ESS7, 2014)
Autorzy:
Dzhambov, Angel M.
Powiązania:
https://bibliotekanauki.pl/articles/2161901.pdf
Data publikacji:
2017-06-19
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
noise
diabetes mellitus
occupational exposure
gender differences
white-collar workers
cross sectional
Opis:
Objectives Almost nothing is known about the effect of occupational noise on diabetes, and this is particularly relevant given the wide spread of both noise exposure and diabetes. This study has aimed to determine whether occupational noise exposure is associated with higher risk of diabetes in Europe. Material and Methods This study is based on 7th European Social Survey (ESS7, 2014) – a multi-country population-based questionnaire survey, which covered 28 221 Europeans aged ≥ 15 years old. Data on self-reported noise exposure, diabetes and other sociodemographic and work-related factors was available. The odds of prevalent diabetes were explored using unconditional logistic regression. Results In the total sample (N = 23 486), participants ever exposed to very loud noise had no substantive increase in the odds of diabetes (odds ratio (OR) = 1.01, 95% confidence interval (CI): 0.78–1.32). There were subgroups with non-significantly increased odds: men (OR = 1.12, 95% CI: 0.87–1.45), the elderly (OR = 1.09, 95% CI: 0.91–1.31), ethnic minority members (OR = 1.55, 95% CI: 0.91–2.62), those with secondary education (OR = 1.05, 95% CI: 0.78–1.41) and those living in small cities/towns (OR = 1.07, 95% CI: 0.89–1.29). Low-skilled white-collar workers had OR = 1.34 (95% CI: 1.09–1.64). Among participants employed during the preceding 5 years the odds were OR = 1.24 (95% CI: 0.95–1.61). Conclusions Self-reported occupational noise was not associated with increased odds of prevalent diabetes in the total sample. Sensitivity analyses revealed some subgroups with non-significantly higher odds. Our results suggest that further delve into the relationship between occupational noise and diabetes is feasible and warranted. Int J Occup Med Environ Health 2017;30(4):537–551
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2017, 30, 4; 537-551
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
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