self-esteem是自我实现需要的意思么?

self-esteem是自我实现需要的意思么?
blood donors are low in self-esteem,low risk takers,and more highly concerned about their health;non-donors tend to be the opposite on all three dismensions.this suggests that market can be segmented using user status.这句话该怎么翻译啊?怎么觉得那三个方面怪怪的?……
恩 我知道是自尊的意思 字典上就是这么解释的……可是在句中的意思这样翻译不通啊~