Table 3.

Feasibility indicators

Feasibility	Indictor	Criteria for success
Aim 1
Recruitment rate	Number of mothers per week recruited	Mean 2 participants/week
Retention rate	% of mothers with data at follow-up	> 80% of mothers with follow-up data
Perceived usefulness	Usefulness subscale of mHealth App Usability Questionnaire	Mean score of < 3
Processing time	Time from initial contact until study enrollment	Mean time is < 1 week
Post-intervention questionnaire completion time	Time to complete post-intervention questionnaires	Mean of < 60 min to complete
Follow-Up questionnaire completion time	Time to complete follow-up questionnaires	Mean of < 60 min to complete
Questionnaire completion	% of missing data among program completers	> 80% of data is present among mothers who completed follow-up
Treatment adherence	Logging onto BEAM App and/or attending weekly group telehealth session	Participation in > 50% of program weeks via logging onto BEAM App or attending weekly group telehealth session
Safety	Adverse events from the BEAM program or assessments	No adverse events reported
Aim 2
Treatment response	Comparison between groups	Significant group difference in primary clinical outcomes (depression and anxiety)
Treatment effect	Estimate of effect size and variance for future sample size calculations	Data on all relevant variables
Baseline severity moderation	Comparison of those with low versus high baseline scores on the PHQ-9 and GAD-7	Significant group difference