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.
Floor proportions with different floor thresholds.
| Proportions of floor data (%) | Floor thresholds | Mean (SD) | Score range |
|---|---|---|---|
| 0 | No floor | 0.86 (1.60) | (−4.62, 5.60) |
| 5 | −1.50 | 1.04 (1.47) | (−1.50, 5.61) |
| 10 | −0.95 | 1.08 (1.41) | (−0.95, 5.61) |
| 15 | −0.60 | 1.12 (1.35) | (−0.60, 5.61) |
| 20 | −0.25 | 1.18 (1.28) | (−0.25, 5.61) |
| 25 | 0.03 | 1.25 (1.21) | (0.03, 5.61) |
