An evaluation of selected federal categorical health programs for the poor.

We examine evidence regarding the impact of several categorical federal health service programs--neighborhood health centers, maternal and infant care projects, and children and youth projects--on access to and quality of health care for the poor. We conclude that, although conclusive evidence of improved access and quality are lacking, suggestive evidence of improved quality exists. It is difficult to utilize legislative objectives as guidelines for evaluating the success of a federal program; it is also difficult to obtain solid data supporting the effectiveness or ineffectiveness of health care in general, and of other government programs. These difficulties are discussed.