Table 2.

Aim 2 outcomes

Outcomes	Specific indicators	Study Aim
Effect of expanded ART access policies on clinical outcomes	Aim 1 continuity of care and viremia outcomes stratified by policy time period: Single-dose nevirapine (sdNVP, 2002) Option A (2008) CD4+ threshold raised from 200 to 350 for pregnant women (2010) Option B (2013) Option B+ (January 2015) Treat all (universal ART, 2016)	Aim 2a
Mobility	Proportion of women continuously in care at ANC and one clinic (no switching)	Aim 2b
	Median number of facility switches per woman	Aim 2b
	Factors associated with facility switching	Aim 2b
	Spatial distribution of facility switches	Aim 2b
Impact of mobility (mobility as exposure)	Viremic episodes associated facility switching	Aim 2b
	Among WLWH on ART prior to pregnancy, impact of clinic switching on postpartum continuity of care compared to those who did not switch	Aim 2b