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.
Multiple linear regressions of pigmentation traits on latitude and altitude in sub-Saharan Africa
| Variable | Intercept | Latitude | Altitude |
|---|---|---|---|
| A4 background |
65.866 ± 1.209*** |
−0.321 ± 0.081*** |
0.004 ± 0.001*** |
| MPL | 71.859 ± 1.336*** | −0.257 ± 0.089** | 0.003 ± 0.001** |
*P < 0.05; **P < 0.01; ***P < 0.001.
