Data Catalog

This study was designed to provide information on attitudes and opinions regarding a number of issues of importance to Black Americans. Topics included the performance of President Bill Clinton, the economic condition of Black Americans, and what respondents thought ought to be done to improve the condition of Black people. Questions regarding Black women and their role in the Black community were also asked. In addition, the role and extent of religion in Black politics was investigated. Respondents also provided information about their political self-identification and their community and political involvement, as well as their feelings toward various political leaders, political groups, and national policies. Demographic information on respondents includes sex, age, education, marital status, income, and occupation and industry.

The Maternal Lifestyle Study (MLS) was the largest of the NIH longitudinal studies of children with prenatal cocaine exposure (PCE). MLS was a longitudinal multi-site observational study of the long-term effects of in-utero exposure to cocaine on child development. MLS was conducted at four geographically diverse, collaborating university centers (Wayne State University, University of Tennessee at Memphis, University of Miami, and Brown University). Participants were identified during the newborn period while in the hospital. The MLS began enrollment of a longitudinal birth cohort of 1,388 infant/mother dyads in 1993. Subjects in the follow-up were seen from 1 month of age through 16 years of age. The overall purpose of the study was to investigate the effects of drug use during pregnancy on acute neonatal events and long-term physical health, social, behavioral and neurodevelopmental outcomes.

Annual bridge inspection data submitted to the FHWA by states, federal agencies, and tribal governments in accordance with the National Bridge Inspection Standards and the Recording and Coding Guide for the Inventory and Appraisal of the Nations Bridges. Additionally, element level bridge condition inspection data submitted annually to the FHWA by states and federal agencies, as required for all bridges on the National Highway System.

The Federal Transit Administration's National Transit Database (NTD) records the financial, operating and asset condition of transit systems. After data reporting was required by Congress in 1974, the NTD was set up to be the repository of data about the financial, operating and asset conditions of American transit systems. The NTD is designed to support local, state and regional planning efforts and help governments and other decision-makers make multi-year comparisons and perform trend analyses. It contains a wealth of information such as agency funding sources, inventories of vehicles and maintenance facilities, safety event reports, measures of transit service provided and consumed, and data on transit employees. Those receiving funding from the Urbanized Area Formula Program (5307) or Rural Formula Program (5311) – are required to submit data to the NTD in uniform categories. More than 660 transit providers report to the NTD through the Internet-based system.