Add analysis using variables that would/could be selected dynamically to run multivariate analysis.. some of the primary indicators of health (i.e. service benefit) are:

• indexed body mass indicator based on age
• scholastic achievement
• discharge outcome (reunification, vs. adoption, vs. independent living vs higher level of care, etc)
• standardized instrument responses (strengths and weaknesses questionnaire.. etc) that your company could purchase the license and pull into your product
• Global Assessment of Functioning (GAF)

Here's a link for about 20 free domain instruments for use with children

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4310476/

key factors

• number of prior placements
• age
• gender
• ethnicity
• length of service
• number of visiting resources (to the client)
• activity participation (rec. church, social)
• joint placement with siblings