Table 1 Secondary outcomes to be assessed

SRH

SRH knowledge

To be measured using a series of questions assessing adolescent mother’s knowledge of HIV and its transmission, the menstrual cycle, and contraceptive methods

Current contraceptive use

To be assessed using two questions assessing current use of a contraceptive method to delay or avoid getting pregnant and the type of method used

Transactional sex

To be measured using a series of questions on self-reported exchange of sex for money, girl, rent, food, school fees, phone/airtime, clothes/shoe/beauty products, sanitary pads, and security

Experience of sexual and gender-based violence

To be assessed using a series of questions adapted from the WHO multi-country study on women’s health and domestic violence against women [29]

Mental health

Mental health

To be measured using the Patient Health Questionnaire-9 (PHQ-9) tool, which has been used in other settings in sub-Saharan Africa [30, 31], to identify adolescent mothers with depression symptoms