Table 1.

Overview of measures

Assessment measure	Baseline (< 28 weeks gestational age)	Post-MME	Follow-up (16 weeks postpartum)	Comparison metric
Stigma outcomes
Berger HIV Stigma Scale	ALL	MME	ALL	1,2,3,4,5
WMM HIV Cultural Stigma Scale in Botswana (HCSS-B)	ALL	MME	ALL	1,2,3,4,5
Botho (3 items)	ALL	MME	ALL	1,2,3,4,5
Psychosocial outcomes
Quality of life (PROMIS-8)	ALL	MME	ALL	1,2,3,4,5
Depressive symptoms (CES-D)	ALL	MME	ALL	1,2,3,4,5
Post-traumatic stress symptoms (PCL-5)	ALL	MME	ALL	1,2,3,4,5
Social functioning (WHODAS-12)	ALL	MME	ALL	1,2,3,4,5
Social support (6 items)	ALL	MME	ALL	1,2,3,4,5
Treatment adherence
Antenatal adherence	ALL	MME	ALL	1,2,3,4,5
ART adherence (ACTG questionnaire)	ALL	MME	ALL	1,2,3,4,5
Covariates
Demographic measures	ALL	MME	ALL	N/A
Alcohol use (AUDIT)	ALL	MME	ALL	N/A
Sexual behavior (5 items)	ALL	MME	ALL	N/A
Intimate partner violence (WAST)	ALL	MME	ALL	N/A
Qualitative (open-ended; differs at each time points)	MME	MME	MME	N/A
HIV metrics: CD4 count and viral load (IDCC records/electronic medical record system)			ALL	1
Birth outcomes: birth weight, gestational age, APGAR scores (Delivery Summary Sheet)			ALL	1
Infant health: infant mortality, infant HIV status, feeding method, vaccinations, hospitalizations (dates, diagnosis) (“Under 5 Card”: asked from mother at 4 month follow-up)			ALL	1

1 Bivariate comparison of mean (median) scores at 16-week follow-up between intervention and control group

2 Bivariate comparison of change in mean (median) scores from baseline to 16-week follow-up between intervention and control groups

3 Bivariate comparison of mean (median) scores at baseline and post-MME within intervention group

4 Bivariate comparison of mean (median) scores at baseline and 16-week follow-up within intervention group

5 Bivariate comparison of mean (median) scores at post-MME and 16-week follow-up within intervention group

ALL all participants

MME only intervention participants