Table 1.

Data collection tools and timing.

Method	Timing	Population	Data collected
Questionnaire	4 rounds: months 0, 3, 6, and 12	Randomized migrant woman sex worker cohort in Marseille	Sociodemographic data, knowledge of sexual health, results of tests for sexually transmitted diseases, medical treatment including pre-exposure prophylaxis (PrEP), retention time in care, health care pathway, residence permit, health insurance coverage, housing conditions, and food security
Questionnaire	Continuous	Community health workers	Type, number, and objective of actions
Semistructured interviews and focus groups	Continuous from September 2021 through January 2022	Migrant women sex workers	Perception of PrEP and sexual health, qualitative explanation of possible empowerment mechanisms, health needs, and care pathway
Semistructured interviews	Continuous from September 2021 through January 2022	Nongovernmental organizations (NGOs) and institutions in charge of the sexual health of sex workers in Marseille	Perception of PrEP and sexual health in migrant women sex workers, identification of available empowerment resources for migrant women, and health care offer
Observation	Continuous	NGOs and institutions in charge of the sexual health of sex workers and migrants in local and international territories	Social history of public sexual health strategies among migrant women sex workers