Table 1. Demographic and trauma-related sample characteristics (mean and s.d.) divided by 5-HTTLPR genotype.

	5-HTTLPR Genotype
	Total (n=133)	S allele carriers (n=86)	L homozygotes (n=47)	P
Sex (% females)	47.4%	43.0%	55.3%	0.21
Age (years)	23.82±3.05	23.90±3.14	23.68±2.89	0.70
Body mass index	22.47±2.20	22.47±2.12	22.49±2.37	0.96
Smokers (% yes)	35.3%	33.7%	38.3%	0.71
Oral contraceptives (% yes)	25.6%	22.1%	31.9%	0.22
Prenatal trauma/stress (% yes, NPQ-PSQ)*	43.5%	42.6%	45.2%	0.83
Early trauma/stress (CTQ Score)	33.02±7.92	33.02±8.13	33.00±7.61	0.99
Recent trauma/stress (LSC-R Score)	1.43±1.35	1.45±1.32	1.38±1.42	0.08

Abbreviations: CTQ, Childhood Trauma Questionnaire;⁵¹ LSC-R, Life Stressor Checklist–Revised;⁵³ NPQ-PSQ, Pre-/Postnatal Stress Questionnaire.⁴⁹

*n=85.