Coefficients for predictor variables of left amygdala reactivity (angry > neutral) entered into the multiple regression model for patients and controls (n = 52)
| Variable | B | SE B | β | p value |
|---|---|---|---|---|
| Diagnosis (SAD/control) | 0.04 | 0.60 | 0.01 | 0.95 |
| 5-HTTLPR (s/ll) | 0.55 | 0.56 | 0.14 | 0.33 |
| TPH2 (T/GG) | 1.26 | 0.58 | 0.30 | 0.035 |
| STAI-S (Δ angry–neutral) | −0.01 | 0.06 | −0.03 | 0.84 |
5-HTTLPR = serotonin transporter promoter polymorphic region (s = short allele carriers, ll = homozygous for long allele); β = standardized regression coefficient; B = unstandardized regression coefficient; SAD = social anxiety disorder; SE = standard error; STAI-S = Spielberger State Anxiety Scale; TPH2 = tryptophan hydroxylase-2 polymorphism (T allele carriers or GG = homozygous for G allele).