Developing a new perspective to study the health of survivors of Sichuan earthquakes in China: a study on the effect of post-earthquake rescue policies on survivors’ health-related quality of life

Abstract

BackgroundSichuan is a province in China with an extensive history of earthquakes. Recent earthquakes, including the Lushan earthquake in 2013, have resulted in thousands of people losing their homes and their families. However, there is a research gap on the efficiency of government support policies. Therefore, this study develops a new perspective to study the health of earthquake survivors, based on the effect of post-earthquake rescue policies on health-related quality of life (HRQOL) of survivors of the Sichuan earthquake.MethodsThis study uses data from a survey conducted in five hard-hit counties (Wenchuan, Qingchuan, Mianzhu, Lushan, and Dujiangyan) in Sichuan in 2013. A total of 2,000 questionnaires were distributed, and 1,672 were returned; the response rate was 83.6%.ResultsResults of the rescue policies scale and Medical Outcomes Study Short Form 36 (SF-36) scale passed the reliability test. The confirmatory factor analysis model showed that the physical component summary (PCS) directly affected the mental component summary (MCS). The results of structural equation model regarding the effects of rescue policies on HRQOL showed that the path coefficients of six policies (education, orphans, employment, poverty, legal, and social rescue policies) to the PCS of survivors were all positive and passed the test of significance. Finally, although only the path coefficient of the educational rescue policy to the MCS of survivors was positive and passed the test of significance, the other five policies affected the MCS indirectly through the PCS.ConclusionsThe general HRQOL of survivors is not ideal; the survivors showed a low satisfaction with the post-earthquake rescue policies. Further, the six post-earthquake rescue policies significantly improved the HRQOL of survivors and directly affected the promotion of the PCS of survivors. Aside from the educational rescue policy, all other policies affected the MCS indirectly through the PCS. This finding indicates relatively large differences in the effects of different post-earthquake rescue policies on the HRQOL of survivors.

An Improved WSN Data Integration Scheme Base on BP Neural Network

“…The sample data selected in this paper was training network based on DRNN model, input was (k) u ，and output was (k) y , for diagonal recurrent neural network was a three-layer network [16]. The selected model structure was (2,7,1) ， the system simulation test was carried on with traditional BP algorithm and improved LM_BPI algorithm as comparison, test for 50 times, and calculated the average, each algorithm scheduled training steps and error requirements, and simulation accuracy comparison results as shown in This paper, by introducing LM_BPI algorithm into DRNN weight training, to avoid the defect of local convergence and slow convergence speed produced by traditional BP algorithm, the simulation experiment included several common attack types, random sampling data in the intrusion detection database, in order to make sure the correctness of the experiment.…”

Campus Network Management Scheme of Wireless Network User Data Mining

“…Larger mc can be set up in initial stage and smaller mc can be set up in later stage. Generally, the maximum value of mc can be set up to be 0.9, with minimum value of 0.4 During iteration, mc varies linearly with step length from maximum value to minimum value [17,18]. …”

Research on Photosynthetic Leguminous Forage in the Karst Rocky Desertification Regions of Southwestern China

“…Because the structural characteristics and photosynthetic characteristics of plant leaves are closely related to their environments, so different habitats will show differently adaptive characteristics and mechanisms [11][12][13][14]. The mechanism of interaction between plants and environmental factors and their adaptability to biotopes can be reflected by plant photosynthetic characteristics and leaf traits and their relationships [15][16]. Therefore, the study of plant photosynthetic characteristics and structural characteristics under certain environmental conditions is an important content of plant adaptability research [17][18][19].…”