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.
Characteristics of the Searches
| Characteristic | N (total = 105) | % |
| Number of electronic databases searched: | ||
| Median | 5 | |
| Interquartile range | 3–6 | |
| Number of non-database techniques used: | ||
| Median | 2 | |
| Interquartile range | 2–3 | |
| Phases of the HSSS used: | ||
| 1 and 2 | 44 | 41.9 |
| 1,2 and 3 | 30 | 28.6 |
| Unspecified | 31 | 29.5 |
| Number of included studies indexed in MEDLINE: | ||
| Median | 9 | |
| Interquartile range | 4–17 |
