Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Data source data fields.
| Title | Data type | Description |
|---|---|---|
| Source citation | Text | Citation for the data source. This field is duplicated up to four times to record instances where the full information linked to that data point came from more than one source. |
| Source type | Category | Each source is categorised as ‘journal article’, ‘personal communication’ and so on. |
These data fields are included in all 8 data files.
