Research Article

The Association of 5-HTTLPR XLL Genotype with Higher Cortisol Levels in African Americans

Table 3

Mean salivary DHEAS concentrations by 5-HTTLPR genotypes.

Genotype ()AM DHEAS (nmol/L)PM DHEAS (nmol/L)Mean DHEAS
(nmol/L)

VNTRLL  ()19.9 ± 1.3515.9 ± 2.0417.9 ± 1.28
LS  ()18.2 ± 1.2316.4 ± 1.4017.3 ± 1.16
SS  ()18.6 ± 3.3116.6 ± 2.2717.6 ± 2.68
XLL  ()*42.9 ± 14.6528.8 ± 6.11*35.8 ± 7.79

SNPAA  ()20.1 ± 1.1017.7 ± 1.6518.9 ± 1.10
AG  ()19.4 ± 2.0214.2 ± 1.0616.8 ± 1.26
GG  ()11.6 ± 1.148.1 ± 1.189.9 ± 1.01

FN  ()19.8 ± 1.5618.0 ± 3.6318.9 ± 2.01
  ()19.9 ± 1.3015.9 ± 1.1417.9 ± 1.04
S+S+  ()16.2 ± 2.0014.3 ± 1.3515.2 ± 1.57
  ()*42.9 ± 14.6528.8 ± 6.10**35.8 ± 7.79

Study concentration average of DHEAS ± SE by genotype for morning and evening. Mean DHEAS is the calculated average between morning and evening DHEAS for the study. *indicates significance at < 0.05. **This is a type the significance was .