Table 1. Estimated means and 95% confidence intervals (CI) from the multilevel model of methylation (%5MeC) averaged across CpG units of each target sequence and descriptive values of blood cell count for each sampling time (pre-stress, post-stress and follow-up).

Sampling time
	Pre-stress		Post-stress		Follow-up
	M	95% CI	M	95% CI	M	95% CI
Methylation (%5MeC)
OXTR1	17.64	16.48−18.81	18.02	16.85−19.19	16.98	15.79−18.16
OXTR2 a	5	4.67−5.35	5.06	4.73−5.42	4.76	4.42−5.11
BDNF a	6.61	6.10−7.15	6.56	6.05−7.10	6.31	5.80−6.84
Blood cell count
Leukocytesb	6.53	6.25−6.80	7.01	6.69−7.32	6.74	6.41−7.06
Lymphocytesc	30.59	28.98−32.21	32.61	30.85−34.36	26.74	25.09−28.40
Monocytesc	8	7.57−8.43	8.24	7.75−8.74	7.54	7.06−8.01
Granulocytesc	62.12	60.63−63.60	59.60	58.05−61.16	65.45	63.55−67.34

Abbreviations: BDNF, brain-derived neurotrophic factor; 95% CI, 95% confidence interval; M, mean; OXTR, oxytocin receptor.

^aEstimates were re-transformed from natural logarithm to %5MeC;

^bNumber × 10³/μl;

^c% of leukocytes.