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.
| Male (n=13) | Female (n=6) | Comparison | ||
| Mean (SD) | Mean (SD) | t-value | p-value | |
| Age at crawling | 268 (47) | 279 (45) | −0.453 | 0.655 |
| Duration of crawling | 147 (38) | 138 (43) | 0.433 | 0.67 |
| Age at independent walking | 416 (49) | 418 (20) | −0.097 | 0.923 |
| Cumulative number of crawling variations | 44 (13) | 40 (9) | 0.747 | 0.465 |
SD: standard deviation; p: probability.
