Table 1.

Study research questions

Research question	SR	ES
What early abortion method decision aids have been evaluated quantitatively and published in peer-reviewed outlets?	✓
What other early abortion method decision aids have been developed for use in the USA?		✓
What is the impact of early abortion method decision aids on women's decision-making processes and outcomes?	✓
What is the quality of early abortion method decision aids as measured by the International Patient Decision Aid Standards?	✓	✓
How does the content of early abortion method decision aids developed in the USA support quality decision-making?		✓