For depression symptom severity, the C allele of IL-6-572 G/C showed no effect on the PHQ-9 score (GC–GG, δ = 0.1), meanwhile the GG genotype of IL-10-1082 A/G exhibited a small effect on symptom severity (GG–AA, δ = −0.35). Here, IL10 is linked to depressive symptom measurement.