Table 4.

Logistic regression analysis of variables

Indicator	Model 1	Model 2	Model 3	Model 4
	Unadjusted OR (CI)	Adjusted OR (CI)	Adjusted OR (CI)	Adjusted OR (CI)
Zinc level of mothers >700† (0–700)	7.7* (2.5-23.3)	1.9 (0.4-9.8)	1.9 (0.3-9.9)	1.6 (0.3-8.6)
Zinc level of newborns >700† (0–700)		7.2* (1.3-38.7)	6.8* (1.2-37.0)	9.2* (1.5-56.9)
Multiparity
Primi†			1.6 (0.19-12.4)	1.5 (0.1-25.8)
Multipara
Age (years)
17-24†
25-33				2.1 (0.51-5.8)
34-40				0.9 (0.1-12.4)

†Reference category;

*Significant (p<0.05);

CI=Confidence interval;

OR=Odds ratio