Timing of last visit in 12 months after ART start.

<p>*Among 2,166 Option B+ clients. **Among 850 Option B+ clients with known pregnancy and HIV testing dates. Rapid ART start = ART start within 7 days of registration in HIV care; No rapid ART start = ART start >7 days after registration in HIV care. ǂp<0.001 for Chi2 test of equality of proportions between Rapid ART start vs. No rapid ART start and between HIV test before vs. after start of pregnancy.</p

Characteristics of Option B+ patients (Categorical variables).

<p>Characteristics of Option B+ patients (Categorical variables).</p

Risk factors for ART attrition among Option B+ patients^*.

<p>Risk factors for ART attrition among Option B+ patients^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0173123#t003fn001" target="_blank">*</a>}.</p

ART attrition indicators by gestational age at ART start.

<p>**Among 968 Option B+ patients with available data on pregnancy dates. ǂ p<0.001 ǁ p = 0.01 * p = 0.54 for Chi2 test of equality of proportions across gestational age groups.</p

Characteristics of Option B+ patients (Continuous variables).

<p>Characteristics of Option B+ patients (Continuous variables).</p

Factors associated with viral suppression using univariable and multivariable logistic regression models.

<p>Factors associated with viral suppression using univariable and multivariable logistic regression models.</p

Flowchart describing the number of patients with first and second VL test and percent of virologic suppression among them.

<p>Flowchart describing the number of patients with first and second VL test and percent of virologic suppression among them.</p

Demographic, clinical, virologic, and immunological characteristics of study participants at the time of the first viral load testing (n = 2,313).

<p>Demographic, clinical, virologic, and immunological characteristics of study participants at the time of the first viral load testing (n = 2,313).</p