Assessment of Motor Development With a Wearable in Rural and Low-income Settings

Inclusion Criteria: * A documented birth date * Birth at about term age, i.e. between 35 and 42 gestation weeks * Mother's ability to speak fluently Chi-Chewa, Chi-Yao or English * Permanent resident of Lungwena Health Centre catchment area * Availability and willingness of the mother and infant during the period of the study * Signed or thumb-printed informed consent by the caregiver of the infant Exclusion Criteria: * Very early birth (at 7th month or earlier) based on mother's information * Infant's congenital malformation or severe illness as judged clinically by a study nurse