中文摘要：

工程项目安全绩效的提高需要项目参与各方——项目业主、总承包商、分包商和设计单位等的共同努力。我国当前的建筑市场是买方市场，处于强势地位的业主有能力对项目各方面产生较大影响。本文通过对上海地区55个工程项目进行的问卷调查，采用非参数统计方法分析了业主的各种不同安全态度及措施对项目安全绩效影响的显著性，获得了可以认为业主能够显著影响项目安全绩效的8项态度和措施并对其进行了分析和总结。

英文摘要：

Improved safety performances of construction projects require the cooperative endeavors of different parties involved in construction industry, including the project owner, general contractor, subcontractor, A/E firm, etc. The owner, generally the initiator and sponsor of a project, may have greater influence on a project＇s safety than any other participants through personal commitment and participation. This study demonstrates a profile of the present owner＇s impact on project safety performances of projects in Shanghai region, China. A set of questionnaires were designed and the questions consist of four major parts： general conditions of a project, owner＇s influential factors, safety effectiveness, and interviewees ＇profiles. 55 contractors were surveyed for the attitudes and behaviors of their clients on project safety. The answered questionnaires were then analyzed and studied by using a non-parametric statistical method to determine the effectiveness of the owner＇s attitudes and behaviors on safety performance of construction projects. It was concluded that 8 specific attitudes and behaviors of the owner are effective to improve the safety performance of a construction project.