Table 4.

Association between serum IL-6 and CRP levels and total IQ score

Inflammatory marker	Unadjusted analysis			Adjusted analysis*
	N	ΔIQ per 1 pg/ml (IL-6) or mg/L (CRP) (95% CI)	P-value	N	ΔIQ per 1 pg/ml (IL-6) or mg/L (CRP) (95% CI)	P-value
IL-6	4243	−0·80 (−1·37 to −0·24)	0·005	2960	−0·26 (−0·93 to 0·41)	0·446
CRP	4253	−0·89 (−1·30 to −0·49)	<0·001	2967	−0·79 (−1·31 to −0·27)	0·003

^*Adjusted for sex, BMI, maternal occupation, atopic disorder and household crowding.