Complex sentence: Evaluators believe this demonstrated that the economic needs of the family heavily influenced incidences of child marriage in this community and therefore reducing financial pressures on the family decreased the economic motivations to marry their daughters off at a young age.
Split into simpler sentences: Evaluators believe this demonstrated that the economic needs of the family heavily influenced the appeal of child marriage in this community. Therefore, reducing financial pressures on the family decreased the economic motivations to marry daughters off at a young age.