Table 1.

Baseline characteristics of HIV-positive pregnant Tanzanian women (n = 1013)

Characteristics	Multivitamins			Vitamin A
	Yes (n = 508)	No (n = 505)	P-value	Yes (n = 506)	No (n = 507)	P-value*
Age (years)	24.7 (4.7)	24.7 (4.9)	0.89	24.8 (4.8)	24.7 (4.7)	0.74
Education (%)			0.35			0.34
None or adult	8.9	7.5		7.3	9.1
Primary 1–4 years	5.3	5.2		4.3	6.1
Primary 5–8 years	74.0	78.4		77.1	75.3
>8 years	11.8	8.9		11.3	9.5
WHO disease stage (%)			0.21			0.20
1	81.9	80.4		80.1	82.2
2	17.5	17.9		18.1	17.2
3	0.6	1.7		1.8	0.6
CD4 count (cells/µL) (%)			0.52			0.09
0–199	12.1	13.5		12.4	13.2
200–349	24.0	26.2		28.2	21.9
≥ 350	63.9	60.3		59.4	64.9
CD4 count (cells/µL)	424 (201)	413 (199)	0.40	414 (202)	423 (197)	0.51

Values are given as the percentage or mean (with standard deviation).

^*P-values were generated using the glm procedure of SAS for continuous variables and the χ² test for categorical variables.