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11.
Hart DL 《Work (Reading, Mass.)》2001,16(1):39-51
OBJECTIVE: To demonstrate how outcomes assessment can assist in describing clients receiving rehabilitation in occupational health rehabilitation clinics and to describe the preliminary assessment of internal consistency reliability and construct validity of the FOTO Industrial Outcomes Tool. METHODS: 266 adults referred for acute work rehabilitation (AWR), work conditioning/hardening (WC/WH) or a Functional Capacity Evaluation (FCE) comprised the data set. Clients were treated between July 1998 and January 1999 in 15 clinics from 6 states by 46 clinicians participating in the Focus on Therapeutic Outcomes (FOTO) national rehabilitation database beta test. For AWR and WC/WH, clients completed a health status questionnaire on intake and discharge, and health status was assessed prior to the FCE. Comprehensive demographic data were collected describing the clinics, clinicians, clients and work status collected 2 weeks following discharge. RESULTS: Internal consistency reliability coefficients for the health status scores ranged from 0.57 to 0.89. Construct validity was supported. CONCLUSION: Results demonstrate the power of collecting outcomes from a variety of constructs for clients receiving industrial rehabilitation services. Initial reliability and construct validity findings were adequate and support continuing data analyses. 相似文献
12.
Diggle PJ Guan Y Hart AC Paize F Stanton M 《Journal of the American Statistical Association》2010,105(492):1394-1402
We propose a novel alternative to case-control sampling for the estimation of individual-level risk in spatial epidemiology. Our approach uses weighted estimating equations to estimate regression parameters in the intensity function of an inhomogeneous spatial point process, when information on risk-factors is available at the individual level for cases, but only at a spatially aggregated level for the population at risk. We develop data-driven methods to select the weights used in the estimating equations and show through simulation that the choice of weights can have a major impact on efficiency of estimation. We develop a formal test to detect non-Poisson behavior in the underlying point process and assess the performance of the test using simulations of Poisson and Poisson cluster point processes. We apply our methods to data on the spatial distribution of childhood meningococcal disease cases in Merseyside, U.K. between 1981 and 2007. 相似文献
13.
Organizational health research identifies processes through which the work environment and individual differences combine to influence both individual and organizational outcomes. This study investigated the contribution of conscientiousness to organizational health. Research in the areas of occupational stress, work performance, and organizational climate was used to develop a framework for integrating different elements of organizational health. Within this framework, the work environment was assessed by perceptions of workload and role clarity ; individual well-being was assessed by psychological distress and job satisfaction ; and behaviour important for organizational success was assessed by contextual performance. Conscientiousness was investigated within the framework using self-reports from a sample of 104 Australian employees. Conscientiousness directly influenced contextual performance but did not influence well-being or perceptions of the work environment. Conscientiousness also reduced the impact of role clarity on both psychological distress and job satisfaction. The role of conscientiousness in a comprehensive model of organizational health is discussed. 相似文献
14.
Emotion regulation strategies and variation in their presentation were explored toward understanding infants' responses during reunion with mother (Re) following baseline mother–infant interaction (Bl) and differential treatment (DT) episodes. Correlation analyses revealed cohesion among distress and mother‐directed touch and proximity‐seeking during DT and Re, mother‐directed gaze during DT, and resistance during Re. The association between mother‐directed gaze during DT and distress during Re suggests that visual inattention during DT serves as a regulatory strategy. Overall, these linkages yield expanded understanding of jealousy protest as a constellation of responses that endures beyond the eliciting condition and includes regulatory behaviors. Cross‐context comparisons revealed that distress was lower during Re than during DT, but not as low as Bl, suggesting that DT poses challenge to interactive repair. Inquiry into individual variation revealed that distress during Re was augmented in laterborn males and with risk influences of dysregulated fear, and maternal insensitivity and hostility. Conversely, maternal depression was associated with less distress; later judgment as insecure, especially insecure‐avoidance, was associated with less mother‐directed behaviors. These findings suggest that dysregulation following DT is indicated by both resistance and passivity. In sum, the results highlight emotion regulation as a powerful framework for addressing recovery following DT. 相似文献
15.
16.
Mei-Ling Ting Lee G.A. Whitmore Francine Laden Jaime E. Hart Eric Garshick 《Journal of statistical planning and inference》2009
A case–control study of lung cancer mortality in U.S. railroad workers in jobs with and without diesel exhaust exposure is reanalyzed using a new threshold regression methodology. The study included 1256 workers who died of lung cancer and 2385 controls who died primarily of circulatory system diseases. Diesel exhaust exposure was assessed using railroad job history from the US Railroad Retirement Board and an industrial hygiene survey. Smoking habits were available from next-of-kin and potential asbestos exposure was assessed by job history review. The new analysis reassesses lung cancer mortality and examines circulatory system disease mortality. Jobs with regular exposure to diesel exhaust had a survival pattern characterized by an initial delay in mortality, followed by a rapid deterioration of health prior to death. The pattern is seen in subjects dying of lung cancer, circulatory system diseases, and other causes. The unique pattern is illustrated using a new type of Kaplan–Meier survival plot in which the time scale represents a measure of disease progression rather than calendar time. The disease progression scale accounts for a healthy-worker effect when describing the effects of cumulative exposures on mortality. 相似文献
17.
Testing the Significance of Categorical Predictor Variables in Nonparametric Regression Models 总被引:2,自引:0,他引:2
In this paper we propose a test for the significance of categorical predictors in nonparametric regression models. The test is fully data-driven and employs cross-validated smoothing parameter selection while the null distribution of the test is obtained via bootstrapping. The proposed approach allows applied researchers to test hypotheses concerning categorical variables in a fully nonparametric and robust framework, thereby deflecting potential criticism that a particular finding is driven by an arbitrary parametric specification. Simulations reveal that the test performs well, having significantly better power than a conventional frequency-based nonparametric test. The test is applied to determine whether OECD and non-OECD countries follow the same growth rate model or not. Our test suggests that OECD and non-OECD countries follow different growth rate models, while the tests based on a popular parametric specification and the conventional frequency-based nonparametric estimation method fail to detect any significant difference. 相似文献
18.
To characterize infant reactions to jealousy evocation, 94 6‐month‐olds and their mothers were videotaped in an episode where the mothers directed positive attention toward a lifelike doll, and in 2 contrasting interactions: face‐to‐face play and a still‐face perturbation. Cross‐context comparisons of affects and behaviors revealed that jealousy evocation responses were distinguished by diminished joy and heightened anger and intensity of negative emotionality, comparable to levels displayed during the still‐face episode; heightened sadness, with durations exceeding those displayed during still‐face exposure; and an approach response consisting of interest, looks at mother, and diminished distancing, which was more pronounced than that demonstrated during play. Infants' heightened anger and sadness during jealousy evocation correlated with heightened maternal sensitivity and dyadic vocal turn‐taking, respectively, during play; and infants' diminished joy and interest during jealousy evocation were associated with heightened maternal withdrawal and intrusiveness, respectively, during play. Both fear and mother‐directed gaze were greater in girls. The discussion argues for interpreting the infant's mixed and agitated reaction to jealousy evocation as evidence of jealousy. 相似文献
19.
韩炜 《绍兴文理学院学报》2006,26(2):43-46
随着国际交流的日益加深,传统的纯语言知识和能力的教育已远远不能满足未来发展的需要,高素质即跨文化交际水平的培养将成为外语教学的最终目的。在这种情况下,就迫切需要有相应的教学模式作为理论指导,建构切实可行的教学体系来培养学生的目的语文化交际能力,这正是推动我国外语教学研究的一个强大动力。 相似文献
20.
红色是各民族语言中的基本颜色之一。人类对红色有相同的视觉效果,因此红色在不同民族中的感知和反映就具有普遍性。但由于文化、历史、传统以及认识事物的角度不同,英汉民族对红色的内涵、语用和意义等都存在着差异性。 相似文献