Table 9.

Associations between exposure and play behaviour (beta coefficients)

		Girls				Boys
	girls/boys N	masculine play behaviour	feminine play behavior	non-gender specific play behaviour	switching attention	masculine play behaviour	feminine play behaviour	non-gender specific play behaviour	switching attention
Sum PCB ng/g lipid	47/37	−.247*	−.121	.250*	−.342**	−.269*	−.002	.266*	−.383**
Calux-TEQ pg/g lipid	47/37	−.010	−.162	.313*	.126	−.199	.257	.014	−.244
PCB-118 ng/g lipid	45/39	−.313**	.202	.052	.273	−.326**	−.087	.361**	−.325**
PCB-170 ng/g lipid	47/37	−.031	−.181	.314**	−.035	−.286*	−.096	.278*	.091
HCB ng/g lipid	51/43	−.066	.114	−.100	−.091	−.374**	−.027	.363**	−.163
DDE ng/g lipid	53/43	.307	−.248	−.047	−.041	−.331**	.228	.145	−.006
Sum PCB*HCB	47/37	.066	−.101	.075	.081	−.079	.056	.051	−.106
Sum PCB*DDE	47/37	.103	−.121	.054	−.031	.146	−.034	−.166	.161

Play behaviour: see overview tests in Table 1

PCBs, Calux-TEQ, DDE, HCB: see blood sampling and measurements

Sum PCB*HCB, sum PCB*DDE: see statistical analysis

* = 0.050 ≤ p < 0.10, ** = 0.010 ≤ p < 0.050, *** = 0.001 ≤ p < 0.010