Table 2 Data extraction fields

- Publication citation

- Funding source

- Study setting

- Population characteristics

- End-user vs service provider vs stakeholder perspective reported?

- Dates of data collection

- Sample size

- Analysis technique

- Theoretical framework

- Ethical considerations

- Study definition of ‘on-demand contraception’ (inc. frequency of use)

- Frequency of sexual activity in study population

- Demographic and behavioural characteristics of users/potential users (RQ1)

- End-user, provider and stakeholder perceptions on acceptability/uptake of on-demand pill (RQ2)