Table 2

Description of study sub arms, with eligibility, amounts and other intervention details assigned to each group

	Raffle treatment arm	Raffle control arm
Education treatment arm	Sub-arm 1: education incentive and raffle A: Education incentive for enrolling in and attending public or private school in Eswatini: If enrolled in school in Eswatini, then receive E200 that school year If 80% or higher attendance in a school term, then receive E400 for that term B: Education incentive for initiating and completing upgrading classes: If enrolled in upgrading classes in Eswatini, then receive E700 that school year If applied for SGCSE exams at end of upgrading classes, then receive E700 that school year C: Education incentive for initiating and sitting for exams at university, vocational school or technical college: If registered at University or College in Eswatini, then receive E700 that academic year If seated for the annual exam at the end of the academic year, then receive E700 D: Education incentive for initiating and completing a short course: If started a short course, then receive E700 that calendar year (max 1 per calendar year) If the short course is completed, then receive E700 that calendar year for it E: Intensified fee subsidy intervention for education for participants returning to any form of education in 2018 Eligibility: If not enrolled in any form of education in 2017, then eligible for education fee subsidy of E2900 in 2018. For eligible participants: If enrolled in a public school, upgrading class, a University or College, or a short course, then education fees paid to the institution directly, up to E 2900 in a calendar year F: Raffle: In every raffle round (seven rounds in total), 200 participants randomly selected from sub-arms 1 and 3 selected for participation in raffle If tests negative for Trichomonas vaginalis and Syphilis; then eligible for raffle prize of E1000, with 80 raffle winners selected every raffle round.	Sub-arm 2: education incentive only A: Education incentive for enrolling in and attending public or private school in Eswatini: If enrolled in school in Eswatini, then receive E200 that school year If 80% or higher attendance in a school term, then receive E400 for that term B: Education incentive for initiating and completing upgrading classes: If enrolled in upgrading classes in Eswatini, then receive E700 that school year If applied for SGCSE exams at end of upgrading classes, then receive E700 that school year C: Education incentive for initiating and sitting for exams at University, vocational school or technical college: If registered at University or College in Eswatini, then receive E700 that academic year If seated for the annual exam at the end of the academic year, then receive E700 D: Education incentive for initiating and completing a short course: If started a short course, then receive E700 that calendar year (max one per calendar year) If the short course is completed, then receive E700 that calendar year for it E: Intensified fee subsidy intervention for education for participants returning to any form of education in 2018 Eligibility: If not enrolled in any form of education in 2017, then eligible for education fee subsidy of E2900 in 2018. For eligible participants: If enrolled in a public school, upgrading class, a University or College, or a short course, then education fees paid to the institution directly, up to E 2900 in a calendar year
Education control arm	Sub-arm 3: raffle only A: Raffle In every raffle round (seven rounds in total), 200 participants randomly selected from sub-arms 1 and 3 selected for participation in raffle If tests negative for Trichomonas vaginalis and Syphilis; then eligible for raffle prize of E1000, with 80 raffle winners selected every raffle round.	Sub-arm 4: no invervention No education incentive No raffle

Raffle treatment arm

Raffle control arm

Education treatment arm

Sub-arm 1: education incentive and raffle
A: Education incentive for enrolling in and attending public or private school in Eswatini:

If enrolled in school in Eswatini, then receive E200 that school year
If 80% or higher attendance in a school term, then receive E400 for that term

B: Education incentive for initiating and completing upgrading classes:

If enrolled in upgrading classes in Eswatini, then receive E700 that school year
If applied for SGCSE exams at end of upgrading classes, then receive E700 that school year

C: Education incentive for initiating and sitting for exams at university, vocational school or technical college:

If registered at University or College in Eswatini, then receive E700 that academic year
If seated for the annual exam at the end of the academic year, then receive E700

D: Education incentive for initiating and completing a short course:

If started a short course, then receive E700 that calendar year (max 1 per calendar year)
If the short course is completed, then receive E700 that calendar year for it

E: Intensified fee subsidy intervention for education for participants returning to any form of education in 2018

Eligibility: If not enrolled in any form of education in 2017, then eligible for education fee subsidy of E2900 in 2018.
For eligible participants: If enrolled in a public school, upgrading class, a University or College, or a short course, then education fees paid to the institution directly, up to E 2900 in a calendar year

F: Raffle:

In every raffle round (seven rounds in total), 200 participants randomly selected from sub-arms 1 and 3 selected for participation in raffle
If tests negative for Trichomonas vaginalis and Syphilis; then eligible for raffle prize of E1000, with 80 raffle winners selected every raffle round.

Sub-arm 2: education incentive only
A: Education incentive for enrolling in and attending public or private school in Eswatini:

If enrolled in school in Eswatini, then receive E200 that school year
If 80% or higher attendance in a school term, then receive E400 for that term

B: Education incentive for initiating and completing upgrading classes:

If enrolled in upgrading classes in Eswatini, then receive E700 that school year
If applied for SGCSE exams at end of upgrading classes, then receive E700 that school year

C: Education incentive for initiating and sitting for exams at University, vocational school or technical college:

If registered at University or College in Eswatini, then receive E700 that academic year
If seated for the annual exam at the end of the academic year, then receive E700

D: Education incentive for initiating and completing a short course:

If started a short course, then receive E700 that calendar year (max one per calendar year)
If the short course is completed, then receive E700 that calendar year for it

E: Intensified fee subsidy intervention for education for participants returning to any form of education in 2018

Eligibility: If not enrolled in any form of education in 2017, then eligible for education fee subsidy of E2900 in 2018.
For eligible participants: If enrolled in a public school, upgrading class, a University or College, or a short course, then education fees paid to the institution directly, up to E 2900 in a calendar year

Education control arm

Sub-arm 3: raffle only
A: Raffle

In every raffle round (seven rounds in total), 200 participants randomly selected from sub-arms 1 and 3 selected for participation in raffle
If tests negative for Trichomonas vaginalis and Syphilis; then eligible for raffle prize of E1000, with 80 raffle winners selected every raffle round.

Sub-arm 4: no invervention

No education incentive
No raffle

E, Emalangeni (Eswatini national currency) (1 US$ = 13.9 E).; SGCSE, Swaziland General Certificate of Secondary Education.