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Wyszukujesz frazę "prospective study" wg kryterium: Temat

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    Tytuł:
    The Effects of a Change in Work Organization Upon the Work Environment and Musculoskeletal Symptoms Among Letter Carriers
    Autorzy:
    Wahlstedt, K. G. I.
    Nygard, C. H.
    Kemmlert, K.
    Torgen, M.
    Bjorksten, M. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/90314.pdf
    Data publikacji:
    2000
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    prospective study
    evaluation
    ergonomics
    musculoskeletal symptoms
    ergonomia
    organizacja pracy
    środowisko pracy
    Opis:
    An organizational change among 82 postal workers was studied with the aim of evaluating the effects on the work environment, work ability, and musculoskeletal complaints. The study was undertaken in 2 suburbs of Stockholm, Sweden. Psychological work demands were estimated to be reduced at the 1-year follow-up but physical work demands had changed very little. In an observation study in a subgroup of older workers, the risk of overexertion at work and musculoskeletal complaints was reduced. In spite of that, most of the older participants (>35 years) had unchanged or increased musculoskeletal symptoms. This shows the need for early preventive measures.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2000, 6, 2; 237-255
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    High levels of vitamin D associated with less ischemic heart disease - a nested case-control study among rural men in Sweden
    Autorzy:
    Holmberg, Sara
    Rignell-Hydbom, Anna
    Lindh, Christian H.
    Jönsson, Bo AG
    Thelin, Anders
    Rylander, Lars
    Powiązania:
    https://bibliotekanauki.pl/articles/986625.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    coronary heart disease
    25-hydroxyvitamin d3
    prospective study
    seasonal variation
    agriculture
    Opis:
    Introduction and objective. Low levels of serum vitamin D have been associated with increased occurrence of ischemic heart disease (IHD), but findings are inconsistent, e.g. seasonal variation is not always considered in the analyses. The aim of this study was to investigate whether vitamin D is associated with IHD among rural middle-aged men in Sweden when seasonal variation is taken into account. Materials and method. A nested case-control study was performed within a population-based cohort of Swedish farmers and rural residents followed for 20 years. Outcomes were from national health registers. For 276 cases (IHD at any time during follow-up), and for 276 aged-matched controls free of cardiovascular diseases or diabetes, serum levels of vitamin D (25-hydroxyvitamin D3) were analyzed with liquid chromatography/tandem mass spectrometry (LC/MS/MS), in stored blood samples drawn at the baseline survey in 1990–91. The odds ratio (OR) with 95% confidence intervals (CI) of IHD for vitamin D-quartiles (based on measured as well as adjusted for month of sampling) was evaluated in logistic regression models; potential confounders were taken into account. Results. The measured mean vitamin D levels were 27.6 ng/ml(standard deviation (sd)8.2 ng/ml) and 28.8 ng/ml (sd 9.0) among cases and controls, respectively. Compared to the quartile with the lowest month-adjusted vitamin D levels, the risk of IHD was significantly lower in the highest quartile (OR=0.46, 95% CI 0.25–0.84, p=0.012) in the fully-adjusted model. Conclusion. Rural Swedish men in the highest quartile of serum vitamin D had halved relative risk of IHD, compared to those in the lowest quartile.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2017, 24, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stress at work on drilling rigs in Poland in a 20-year research perspective: time as a determinant of the stress-at-work dynamics
    Autorzy:
    Leszczyńska, Irena
    Powiązania:
    https://bibliotekanauki.pl/articles/21375392.pdf
    Data publikacji:
    2023-11-13
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    work in difficult and dangerous conditions
    prospective study
    stress at work
    stress dynamics
    psychosocial burdens
    work on drilling rigs
    Opis:
    Objectives: Adapting to stress over time is a process involving various cognitive and emotional assessments; it also depends on the objective situation related to working conditions, as well as on individual factors. The aim of this paper is to outline the dynamic nature of stress experienced by workers employed on oil rigs over a period of 20 years. The presented research is part of a larger project and concerns subjective stress. Material and Methods: Longitudinal studies included the analysis of data regarding the period of 1993–2014. They concerned 167 Polish oil rig workers, all men; the average age at the beginning of the study was 29 years. Each employee was surveyed at least 4 times over a period of 20 years at intervals of 4–6 years in the workplace. The subjective level of stress at work (based on the Subjective Job Evaluation Questionnaire) and the level of declared stress (based on the Stress Survey) were examined. Results: Oil rig workers show different adaptations to stress over a long term, depending on their subjective perception of stress. Baseline stress levels can vary from person to person over the years. The first group was characterized by high initial stress, but the stress decreased systematically over 20 years (“stress resisting”). Employees from the second group were characterized by low initial stress, but declared a systematic increase in stress in the same period (“stress sensitizing”). Finally, employees from the third group adapted to stress in a flexible way, with subjective stress being most strongly associated with objective stress (“flexible group”). Conclusions: The presented prospective study showed differences between the subjective levels of stress depending on the distinguished groups over 20 years, i.e., between-group and intra-group variability. The method of prospective research shows that the perception of stress at work is a dynamic process and it changes over time.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2023, 36, 4; 477-492
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Occupational, Personal and Psychosocial Resources for Preventing Persistent Low Back Pain
    Autorzy:
    Melloh, M.
    Salathe, C. R.
    Elfering, A.
    Kaser, A.
    Barz, T.
    Aghayev, E.
    Roder, C.
    Theis, J. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/90429.pdf
    Data publikacji:
    2013
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    occupational
    health outcomes
    low back pain
    predictors
    prognosis
    prospective cohort study
    badania naukowe
    nerwoból okolicy grzbietowej
    zagrożenia zdrowia
    profilaktyka
    czynnik ludzki
    czynniki psychospołeczne
    czynniki zawodowe
    czynniki personalne
    Opis:
    The aim of this prospective cohort study was to identify modifiable protective factors of the progression of acute/subacute low back pain (LBP) to the persistent state at an early stage to reduce the socioeconomic burden of persistent LBP. Patients attending a health practitioner for acute/subacute LBP were assessed at baseline addressing occupational, personal and psychosocial factors, and followed up over 12 weeks. Pearson correlations were calculated between these baseline factors and the presence of nonpersistent LBP at 12-week follow-up. For those factors found to be significant, multivariate logistic regression analyses were performed. The final 3-predictor model included job satisfaction, mental health and social support. The accuracy of the model was 72%, with 81% of nonpersistent and 60% of persistent LBP patients correctly identified. Further research is necessary to confirm the role of different types of social support regarding their prognostic influence on the development of persistent LBP.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2013, 19, 1; 29-40
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    School experiences retrospectively: relationship between recall of bullying experiences and perception of schools by pedagogy students
    Autorzy:
    Tłuściak-Deliowska, Aleksandra
    Powiązania:
    https://bibliotekanauki.pl/articles/2005046.pdf
    Data publikacji:
    2016-03-31
    Wydawca:
    Wydawnictwo Adam Marszałek
    Tematy:
    school bullying
    prospective teachers
    pedagogy students
    retrospective study
    school climate
    appraisal of school
    Opis:
    The presented study explored the memories of 332 pedagogy students about the bullying experiences and their former schools. Findings indicate that: (1) young adults have very different experiences with bullying, (2) time spent at middle school was assessed as the worst, (3) general judgment of school was correlated with bullying experiences, especially students who were involved in bullying problems as a victim or bystander were less positive in their appraisals of school. The study provides a unique account of how young adults view their school experiences. Data is discussed in terms of its psycho-educational implications.
    Źródło:
    The New Educational Review; 2016, 43; 167-178
    1732-6729
    Pojawia się w:
    The New Educational Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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