A comparative study on crash-influencing factors by facility types on urban expressway

This study aims at identifying crash-influencing factors by facility type of Nagoya Urban Expressway, considering the interaction of geometry, traffic flow, and ambient conditions. Crash rate （CR） model is firstly developed separately at four facility types： basic, merge, and diverge segments and sharp curve. Traffic flows are thereby categorized, and based on the traffic categories, the significances of factors affecting crashes are analyzed by principal component analysis. The results reveal that, the CR at merge segment is significantly higher than those at basic and diverge segments in uncongested flow, while the value is not significantly different at the three facility types in congested flow. In both un- and congested flows, sharp curve has the worst safety performance in view of its highest CR. Regarding influencing factors, geometric design and traffic flow are most significant in un- and congested flows, respectively. As mainline flow increases, the effect of merging ratio affecting crash is on the rise at basic and merge segments as opposed to the decreasing significance of diverging ratio at diverge segment. Mean- while, longer acceleration and deceleration lanes are adverse to safety in uncongested flow, while shorter acceleration and deceleration lanes are adverse in congested flow. Due to its special geometric design, crashes at sharp curve are highly associated with the large centrifugal force and heavy restricted visibility.

The Practice of Palliative Care amongst Nurses in Selected Hospitals in Eastern Nigeria

In recent times, palliative care nursing has caught the attention of nurse researchers in Africa as more individuals are being diagnosed with chronic diseases of the aged like cancer, cardiac and cerebrovascular conditions. This study examined the influence of knowledge and attitude on the practice of palliative care among practicing nurses in eastern part of Nigeria. A descriptive cross-sectional research design was used for the study. The population of the study is all registered, licensed and practicing nurses working in the named public and private hospitals where palliative care is supposedly well established. Proportionate sampling technique was used to select 289 respondents. Three commercial instruments that were modified were used for data collection. Level of significance was set at 5%. The study was conducted from October 2018 to June 2019. Results revealed that 52.7% of the respondents had satisfactory practice of palliative care, 73.7% of the respondents had adequate knowledge of palliative care (mean 2.64 (1.06) and 77.5% of the respondents had positive attitude towards palliative care (Mean 2.81 (1.14)). There was also a significant weak positive association between nurses’ educational level and their knowledge of palliative care with an effect size of 21.9% (P = 0.003). There was also a significant association between nurses’ years of experience and their attitude to palliative care with an effect size of 35.6% (P < 0.001). There was no significant association between type of hospital facility nurses work in and their practice of palliative care (P = 0.343). Recommendations were made on how to improve the practice of palliative care among professional nurses.