Table 1. Population characteristics.

General characteristics	% (N) or median (25th,75th)
Age (years)	18.9 (18.5, 19.4)
Female sex	54.3 (590)
Inflammatory status at age 16
hsCRP >2 mg l−1	12.3 (130)
HSV1 seropositivity	23.7 (258)
HSV1 antibodies (AU) in positive group	2.08 (1.68, 2.54)
EBV seropositivity	24.2 (263)
EBV antibodies (AU) in positive group	1.31 (1.19, 1.51)
CMV seropositivity	24.5 (266)
CMV antibodies (AU) in positive group	2.17 (1.95, 2.45)
Psychiatric disorders in the previous year at age 19
Any mood disorder, including:	10.5 (112)
	N (%) within mood disorders
Bipolar I	3.6 (4)
Bipolar II	9.8 (11)
Major depressive disorder	84.8 (95)
Dysthymia	18.8 (21)
	N (%) of total population
1 disorder	7.5 (82)
2 disorders	2.8 (28)
3 disorders	0.2 (2)
Any anxiety disorder, including:	11.4 (124)
	N (%) within anxiety disorders
Generalized anxiety disorder	20.2 (25)
Panic disorder	8.9 (11)
Social phobia	62.9 (78)
Obsessive compulsive disorder	29.8 (37)
	N (%) of total population
1 disorder	9.1 (99)
2 disorders	2.1 (23)
3 disorders	0.2 (2)
Comorbid mood and anxiety disorder	3.4 (37%)
Life events before age 16
Life events score	3.7 (3.2, 4.5)
Life events z-score	−0.4 (−1.7, 1.3)
Covariates
Dutch ethnicity	90.5 (984)
SES low	16.9 (184)
SES average	48.4 (526)
SES high	33.9 (368)
BMI (kg/m2)	20.77 (19.24, 22.53)
Percentage that used nicotine in past 4 weeks	27.4 (298)
Percentage that used alcohol in past 4 weeks	75.1 (816)

Abbreviations: AU, arbitrary unit; BMI, body mass index; CMV, cytomegalovirus antibody levels; EBV, Epstein–Barr virus antibody levels; hsCRP, high-sensitive C-reactive protein; HSV1, herpes simplex virus type 1 antibody levels; SES, categorical measurement of socioeconomic status.

Life events score was computed by adding the mean scores on the various trauma types.