Table 4.

Multivariate regression of hepcidin with iron status parameters and markers for determining the intensity of mother’s smoking in the whole group of studied newborns, and in the subgroups of smoking women’s newborns and non-smoking women’s newborns.

Parameter	All Newborns (n = 80)		Newborns of Smoking Mothers (n = 40)		Newborns of Non-Smoking Mothers (n = 40)
	β	p-Value	β	p-Value	β	p-Value
Erythropoietin	−0.531	0.001	−0.565	0.011	−0.316	0.101
Ferritin	0.123	0.212	0.205	0.231	0.085	0.629
Iron	−0.049	0.645	−0.098	0.601	0.017	0.925
Hemoglobin	0.115	0.288	0.323	0.103	−0.028	0.873
Soluble transferrin receptor	−0.100	0.277	0.129	0.526	−0.227	0.165
Smoking status (no = 0; yes = 1)	0.178	0.073	-	-	-	-
Cotinine	-	-	0.007	0.972	-	-
Number of cigarettes/day	-	-	−0.242	0.350	-	-
R2%	46.6		31.9		22.5