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.
Descriptive statistics of the variables included in the model.
| Variables | Statistic | Range (min-max) |
| Number of searches, median (IQR, interquartile range) | 22 (7.3) | (1-718) |
| Words per search, mean (SD) | 3.08 (1.57) | (1-22) |
| Letters per word, mean (SD) | 5.77 (2.23) | (1-28) |
| Word obscurity, mean (SD) | 0.25 (0.11) | (0.52-0.04) |
