Table 4 Factors associated with non-receipt of antenatal or intrapartum antiretroviral prophylaxis

Time of maternal HIV diagnosis

Pre-pregnancy

886

93 (11)

1.00

1.00

1^st/2^nd trimester

1500

18 (1)

0.10 (0.06–0.17)

0.12 (0.07–0.20) p < 0.001

3^rd trimester

617

50 (8)

0.75 (0.52–1.08)

0.79 (0.54–1.15) p = 0.21

Intrapartum

221

68 (31)

3.79 (2.65–5.42)

3.43 (2.34–5.01) p < 0.001

Maternal age

<25 years

709

69 (10)

1.00

1.00

25–30 years

1453

84 (6)

0.57 (0.41–0.79)

0.87 (0.60–1.25) p = 0.45

≥30 years

1062

76 (7)

0.72 (0.51–1.01)

0.86 (0.59–1.24) p = 0.41

Mode of acquisition

Non IDU, no IDU sex partner

1829

106 (6)

1.00

1.00

Non IDU, IDU sex partner

728

27 (4)

0.63 (0.41–0.96)

0.60 (0.38–0.93) p < 0.001

IDU

667

96 (14)

2.73 (2.04–3.66)

1.44 (1.03–2.01) p < 0.001

Gestational age at delivery

≥37

2937

176 (6)

1.00

1.00

<37

287

53 (18)

3.55 (2.54–4.97)

2.21 (1.53–3.18) p < 0.001

Time of delivery

2000–2001

224

38 (17)

1.00

1.00

2002–2003

488

26 (5)

0.28 (0.16–0.47)

0.23 (0.13–0.41) p < 0.001

2004–2005

978

68 (7)

0.37 (0.24–0.56)

0.37 (0.23–0.60) p < 0.001

2006–2007

1534

97 (6)

0.33 (0.22–0.50)

0.43 (0.28–0.68) p < 0.001