Table 1.

Maternal Characteristics.

Maternal characteristics at enrolment (unless otherwise indicated)	Total sample N=54	NRTI arm (ABC/ZDV/3TC) N=29	PI arm (LPV/r/ZDV/3TC) N=25	P value
Study site, no. (%)				0.93†
City	13 (24)	7 (24)	6 (24)
Town	8 (15)	5 (17)	3 (12)
Village	33 (61)	17 (59)	16 (64)
Median age, years (IQR)	27 (24–31)	29 (25–34)	26 (24–30)	0.09*
Marital Status, no. (%)				0.01†
Single	41 (76)	18 (62)	23 (92)
Married/Cohabitating	13 (24)	11 (38)	2 (8)
Gravida Including Current Pregnancy, no.(%)				0.06*
1	4 (7)	0 (0)	4 (16)
2	22 (41)	10 (35)	12 (48)
3	15 (28)	12 (41)	3 (12)
4 or more	13 (24)	7 (24)	6 (24)
Self-reported previous history of ARVs (ZDV) in pregnancy, no. (%)	6 (11)	4(14)	2 (8)	0.67†
Education, no. (%)				0.33*
None	3 (6)	3 (10)	0 (0)
Primary	13 (24)	7 (24)	6 (24)
Secondary	36 (66)	18 (63)	18 (72)
University	2 (4)	1 (3)	1(4)
Personal monthly income, in US dollars, (%)				0.24*
None	33 (61)	20 (69)	13 (52)
< 100	11(20)	5 (17)	6 (24)
101–200	5 (9)	1 (3)	4 (16)
>200	5 (9)	3 (10)	2 (8)
Median days on HAART (IQR)	266 (252–273)	261 (245–266)	268 (252–273)	0.18*
Self-reported adherence to HAART, total amount missed (%)				0.59*
>=2 days	8 (15)	3 (10)	5 (20)
1 day	1 (2)	1 (3)	0 (0)
1 dose	11 (20)	6 (21)	5 (20)
None	34 (63)	19 (66)	15 (60)
Median baseline HIV-1 RNA, copies/mL (IQR) Min–Max	32,900 (9,085–91,975) 2,070 – 750,000	41,600 (10,400 –95,700) 2,650 – 334,000	29,500 (9,080 –80,800) 2,070–750,000	0.74*
Median HIV-1 RNA at 1 month post-HAART, copies/mL (IQR) Min–Max	56,900 (15,450–217,750) 2,960–750,000 (N =36)	60,550 (9.945–121,250) 2,960–750,000 (N=20)	54,450 (35,325–319,500) 3,610–740,000 (N=16)	0.53*
Median baseline CD4+ cells/mm3 (IQR) Min–Max	396 (330–510) 208–884	389 (343–516) 255–884	403 (282–473) 208–715	0.22*

^*Wilcoxon Rank Sum Test,

^†Fisher’s Exact Test.