Table 1.

Maternal and infant characteristics of mother-infant pairs who chose an antiretroviral intervention compared to those remaining on the control arm in the BAN Study.

	Number Choosing to:
	Start Antiretrovirals	Remain on Control Arm	Odds Ratio (95% CI)a	P-value a
Maternal Factorsb
Age				0.68
< 23 years	14	10	Ref
23 – 27 years	9	11	0.59 (0.15, 2.26)
> 27 years	12	11	0.78 (0.21, 2.86)
Marital status				1.00
Other	2	1	Ref
Married	33	31	0.54 (0.00, 10.80)
Total number of pregnancies				0.28
1	3	4	Ref
2	14	7	2.57 (0.33, 22.82)
3+	18	21	1.14 (0.17, 8.83)
Education level of mother				0.14
≤ Primary education	18	23	Ref
> Primary education	17	9	2.38 (0.78, 7.63)
BMI 4 weeks postpartum				0.58
< 21.5 kg/m2	10	10	Ref
21.5 – 24 kg/m2	12	14	0.86 (0.23, 3.21)
> 24 kg/m2	13	8	1.61 (0.40, 6.73)
BMI at time of choice				0.42
< 21.5 kg/m2	10	11	Ref
21.5 – 24 kg/m2	12	14	0.94 (0.26, 3.47)
> 24 kg/m2	13	7	2.00 (0.49, 8.66)
CD4				0.46
< 400	11	12	Ref
400 – 500	10	12	0.91 (0.24, 3.42)
> 500	14	8	1.88 (0.50, 7.46)
Maternal SAEc prior to choice				0.66
No	33	29	Ref
Yes	2	3	0.59 (0.05, 5.53)
Infant Factors
Age of infant at choice (weeks)			0.80 (0.69, 0.90)	<0.001
Weight-for-lengthd at choice			2.33 (1.26, 6.64)	0.002
Infant SAEc prior to choice				0.56
No	26	26	Ref
Yes	9	8	1.49 (0.41, 5.88)

^aOdds ratios, confidence intervals (CIs), and p-values were generated by exact logistic regression with each factor as the sole covariate.

^bMaternal characteristics assessed at baseline (enrollment) visit unless stated otherwise.

^cSAE = serious adverse event.

^dWeight-for-height Z-Score.