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- Kåreholt, Ingemar, 1960-, et al.
(författare)
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Are socioeconomic position and working conditions before retirement age related to physical function 20 years later after retirement?
- 2015
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Ingår i: Differences, Inequalities and Sociological Imagination: ESA 2015 12th conference of the European Sociological Association. - : European Sociological Association (ESA). I nstitute of Sociology of the Czech Academy of Scienc es (IS CAS). - 9788073302726 ; , s. 107-107
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Konferensbidrag (refereegranskat)abstract
- INTRODUCTION: Socioeconomic position and working situation are two factors associated to health inequalities and to each other.AIM: To study how socioeconomic position and working conditions 20+ years earlier associates to physical functioning after retirement age.DATA: Swedish nationally representative samples, from 1968, 1981, and 1991 were re-interviewed 1992, 2002, and 2011 (76+) with 20-24 years follow-up time (women, n=431; men, n=450).METHOD: Ordered logistic regressions, censored normal regression, and ordinary OLS regressions will be used.VARIABLES: Physical function: Self-reported mobility, objective tests of lung function and general physical function.Socioeconomic position: Education, income, cash margin, social class based on occupation, and an index based on all measures.Psychosocial working conditions: job control, psychological demands, high strain (low control+high demands) and work complexity regarding data (information), people, and substantive (general) complexity.Controls: age, sex, follow-up year, mobility at baseline, and hours worked.RESULTS: Job control, work complexity with data and people and all measures of SEP, were significantly associated to the three measures of physical function. Controlling for working conditions, the only significant associations was between general physical function and cash margin and the socioeconomic index respectively. When controlling for socioeconomic position, job control was significantly associated to less limitations in mobility and general physical functioning, substantive complexity and complexity with data were associated to less mobility limitations.CONCLUSIONS: Both socioeconomic position, work related stress, and work complexity were associated to physical function in old age, but only partly independent of each other. The strongest single factor is job control.
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- Maia França, J. E., et al.
(författare)
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Human Factors Approach to Assess Risks and Reliability in Offshore Operations with FRAM (Functional Resonance Analysis Method)
- 2023
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Ingår i: Offshore Technology Conference Brasil. - : Offshore Technology Conference. - 9781959025023
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Konferensbidrag (refereegranskat)abstract
- Working onboard offshore oil platforms, whether for production or drilling, presents a series of risks, involving two substances that are naturally unhealthy and dangerous - crude oil and natural gas. It is therefore necessary to develop integrated management systems that balance business needs, resource constraints, technical capabilities, and emerging risks. In addition, it is necessary to meet the regulatory requirements, which in Brazil are determined by ANP (Agência Nacional do Petróleo, Gás Natural e Biocombustíveis). In view of the Human Reliability regulatory requirements, a dedicated study was developed, seeking to align the expectations of the regulator, the company’s resources and the validated methodologies of analysis, a requirement of the ANP itself. As a result, following HSE publications and ANP guidance, it was observed that the FRAM (Functional Resonance Analysis Method) methodology, simultaneously, can meet both the demands of Human Reliability and Human Factors. From the activities performed onboard offshore units that present the most complex combination of risks, the operations with nitrogen (generation and freezing storage) and the operation of the gas dehydration unit, were selected to be analyzed with FRAM. The results of these analyses, in addition to failures, it was also perceived that human adaptive behavior, a building element of system resilience, promotes safe operational continuity, even with the partial or complete loss of intrinsic safety barriers.
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- Sun, Q., et al.
(författare)
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Pursuing Precise Vehicle Movement Trajectory in Urban Residential Area Using Multi-GNSS RTK Tracking
- 2017
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Ingår i: Transportation Research Procedia. - : Elsevier. - 2352-1465. ; , s. 2361-2376
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Konferensbidrag (refereegranskat)abstract
- Close-to-reality vehicle movement trajectory data can be useful in many transport and geography studies when precise vehicle localization or timing is required in the application. Vehicle kinematic tracking by GPS (Global Positioning System) varies in the data accuracy depending on some factors such as the receiver capability, satellites availability. Nevertheless, advanced positioning techniques offer possibilities to enhance the tracking data quality. In this paper, the high performance of multi-GNSS (multiple Global Navigation Satellite Systems) with Real-time Kinematic (RTK) solution was investigated aiming to pursue precise vehicle movement trajectory in an urban residential area of Australia. We systematically compared vehicle kinematic recordings between different positioning solutions by multi-GNSS and GPS-only approaches. Different elevation cut-off angles ranging from 5 - 35° were applied to simulate satellites' availability in different sky view conditions. The results showed that the multi-GNSS approach outperformed conventional GPS positioning in availability and positioning accuracy, and RTK solution at 10Hz generated ideal vehicle movement trajectory suitable for driving behaviours studies.
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