Table 2

Factors associated with diagnosis of HIV infection prior to pregnancy

N

N (%) diagnosed pre-pregnancy

Odds ratio (95% CI)

Adjusted odds ratio (95% CI), p value


Mode of acquisition

Non IDU, no IDU sex partner

1573

338 (21)

1.00

1.00

Non IDU, IDU sex partner

696

195 (28)

1.42 (1.16–1.75)

1.46 (1.19–1.80) p < 0.001

IDU

601

263 (44)

2.85 (2.33–3.48)

2.94 (2.38–3.63) p < 0.001

Maternal age

<25 years

1303

298 (23)

0.65 (0.52–0.80)

0.79 (0.63–0.99) p = 0.04

25–30 years

939

300 (32)

1.02 (0.82–1.27)

1.12 (0.90–1.41) p = 0.31

≥30 years

629

198 (31)

1.00

1.00

Maternal moderate/severe HIV symptoms

No

2753

733 (27)

1.00

1.00

Yes

118

63 (53)

3.16 (2.18–4.58)

2.32 (1.57–3.42) p < 0.001

Time period of delivery

2000–2001

187

45 (24)

1.00

1.00

2002–2003

431

99 (23)

0.94 (0.63–1.41)

1.06 (0.70–1.60) p = 0.8

2004–2005

977

243 (25)

1.05 (0.73–1.51)

1.19 (0.81–1.74) p = 0.37

2006–2007

1276

409 (32)

1.49 (1.04–2.12)

1.87 (1.29–2.72) p < 0.001


95%CI – 95% confidence interval

Thorne et al. BMC Infectious Diseases 2009 9:40   doi:10.1186/1471-2334-9-40

Open Data