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.
Adjusted OR for acne obtained by logistic meta-regression analysis
| Factor | Number of studies | OR (95% CI) | p Value |
| Age of range | |||
| Undergraduate | 11 | 1.00 | |
| Primary and secondary school students | 10 | 3.127 (0.001 to 3.838) | 0.012 |
| Gender | |||
| Female | 24 | 1.00 | |
| Male | 24 | 1.217 (0.109 to 14.681) | 0.024 |
| Location | |||
| North | 10 | 1.00 | |
| South | 14 | 1.184 (0.002 to 3.833) | 0.028 |
