Table 3.
The multiple linear regression of the relative difference in nicotine levels on nicotine-related impurities and total impurities.
| Standardized coefficients β | p | |
|---|---|---|
| Nicotine-related impurities | −0.107 | 0.559 |
| Impurity total | −0.171 | 0.349 |
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.