Table 1.

Timeline of the study activities according to intervention stages.

Stage of intervention	Recruitment	Baseline	Intervention period	Postintervention
Verbal consent for screening	✓
Eligibility screening verification	✓
Study invitation	✓
Face-to-face individual interview		✓
Written consent from parents and written assent from children		✓
Sociodemographic and participant information collection		✓
Anthropometric measures		✓		✓
Food frequency questionnaire administration		✓		✓
Biochemical data collection		✓		✓
Strengths and Difficulties Questionnaire administration		✓		✓
Short version of the Brazilian Food Insecurity Scale administration		✓		✓
Delivery of an educational booklet		✓
Goals setting for intervention group			✓
Multimedia messaging for a 19-week follow-up			✓
Phone call at 1 week to check if caregivers are properly receiving the messages			✓
Goal achievement assessment for intervention group				✓
Delivery of same intervention to waitlist control group.				✓