Table 1 Overview of the intervention components and dose for HeLTI SA arms

Trial phase

Intervention

Health literacy resources (n, books)

Multi-micronutrient supplement (n, monthly doses)

In-person session and health feedback (n, sessions)

Telephonic contact (n, contact points)

Dietitian (for at-risk participants) (n, sessions)

Preconception (18 months)

3

18

3

9

1

Pregnancy (9 months)

1

5

2

3

1

Early childhood (60 months)

1

6

10

20

1

Control

In-person session (life skills), services offered (n, sessions)

Telephonic contact (life skills) (n, contact points)

Preconception (18 months)

3

9

Pregnancy (9 months)

1

3

Early childhood (60 months)

10

20