Alterations of hair cortisol and dehydroepiandrosterone in mother-infant-dyads with maternal childhood maltreatment

Table 2 Summary of heteroscedastic regression analyses for variables predicting cortisol and DHEA in hair samples of mothers and their newborns

Maternal hair data
Cortisol concentrations (N = 93^a)	b	SE	t (91)	p
Childhood maltreatment (CTQ sum score)	0.12	0.15	0.72	.471
R ² = .02, F(1, 91) = 1.08, p = .302
DHEA concentrations (N = 93^†)	b	SE	t (91)	p
Childhood maltreatment (CTQ sum score)	0.28	0.08	3.25	.002**
Age	0.51	0.19	2.56	.012*
Perceived stress (PSS4)	-0.58	0.37	-1.41	.16
Hair batch	2.48	2.10	1.29	.20
R ² = .25, F(4, 89) = 6.91, p < .001**
Newborns' hair data
Cortisol concentrations (N = 30)	b	SE	t (28)	p
Childhood maltreatment (CTQ sum score)	2.23	1.69	1.34	.186
Maternal age	−5.12	3.88	−1.33	.190
R ² = .22, F(2, 27) = 3.44, p = .047
DHEA concentrations (N = 30)	b	SE	t (28)	p
Childhood maltreatment (CTQ sum score)	0.04	0.02	1.89	.070^#
R ² = .17, F(1, 28) = 4.79, p = .037*

^#< .10, * < .05, ** < .01, *** <. 001
^aOne outlier in DHEA, and cortisol respectively, was excluded from regression analysis
CTQ = Childhood Trauma Questionnaire; PSS4 = four-item version of the Perceived Stress Scale

ISSN: 1471-244X