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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Int J Gynaecol Obstet. 2015 Sep 8;131(3):255–259. doi: 10.1016/j.ijgo.2015.06.035

Table 4.

Characteristics associated with having a live birth.

Characteristic Bivariable analysis Multivariable analysis
RR (95% CI) P value RR (95% CI) P value
cART use during pregnancy 1.3 (1.1–1.5) 0.006 1.2 (1.0–1.4) 0.134
Prenatal care 4.4 (2.7–8.0) <0.001 3.9 (2.2–6.9) <0.001
Illness during pregnancy 0.6 (0.4, 1.0) 0.036 0.8 (0.7–1.0) 0.037
Pregnancy complications 0.6 (0.3, 1.0) 0.056 0.7 (0.4–1.2) 0.192
Baseline CD4, cells per mm3
 <350 1.1 (0.8–1.5) 0.678 – –
 350–500 1.0 (0.8–1.3) 0.909 – –
 >500 Ref. – – –
Age at labor, y
 21–25 1.3 (1.0–1.6) 0.105 – –
 26–28 1.2 (0.9–1.6) 0.154 – –
 ≥29 Ref. – – –

Abbreviations: RR, relative risk; CI, confidence interval; cART, combination antiretroviral therapy.