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

Table 1

Sociodemographic and obstetric characteristics of the mothers studied.

Characteristic	Frequency ()	Percent
Age (years)
14–19	14	8.6
20–24	38	23.5
25–29	54	33.3
≥30	56	34.6
Mean (SD)	27.2 (6.0)
Parity
Primipara	41	25.3
Multipara	121	74.7
Socioeconomic status
High	14	8.6
Middle	16	9.9
Low	132	81.5
TT vaccination status
None	12	7.4
1	12	7.4
≥2	138	85.2
HIV status
Positive	10	6.2
Negative	152	93.8

SD = standard deviation; TT = tetanus toxoid.