Neonatal Tetanus Immunity in Nigeria: The Effect of HIV Infection on Serum Levels and Transplacental Transfer of Antibodies

Table 2

Logistic regression analysis results exploring the predictive significance of maternal factors on maternal tetanus antibody serostatus.

Independent variables	Wald test	df	value
Maternal age	0.876	3	0.831
SES	1.095	2	0.579
Parity	0.067	1	0.795
TT vaccination status	10.161	2	0.006
HIV status	9.581	1	0.002
Placental malaria	0.770	1	0.380
Constant	4.110	1	0.043

SES = socioeconomic status; df = degree of freedom; significant relationship.