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. 2024 Mar 1;14(3):e083983. doi: 10.1136/bmjopen-2024-083983

Table 2.

Participant timeline

Time point Study period
Enrolment Allocation Post-allocation Close-out
−18 to 0 months 0
months
6 months 12 months 18 months 24 months 25–30
months
30–36
months
Enrolment
 Eligibility screen X
 Informed consent (baseline) X
 Informed consent (preceding kiosk implementation) X
Interventions
 Staffed SSP (control) X X X X X X
 Staffed SSP+kiosk (intervention) X X X X X X
Assessments
 Baseline survey X
 Follow-up survey X X X X X X
 Analysis X X

SSP, syringe service programme.