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.
Distribution of smile types in 200 young Chinese subjects
| Subjects | High smile n (%) | Average smile n (%) | Low smile n (%) |
|---|---|---|---|
| Men (n = 100) | 38 (38.0a) | 48 (48.0) | 14 (14.0b) |
| Women (n = 100) | 53 (53.0a) | 43 (43.0) | 4 (4.0b) |
| Total (n = 200) | 91 (45.5) | 91 (45.5) | 18 (9.0) |
Within a column, percentage values with the same lower-case letter are statistically different (P < 0.05).
