| Child |  | 
      
        | Mean Age in months at DIBELS    Assessment Before Kindergarten Entry (Range) | 64 (59-72) | 
      
        | Male (%) | 23 (59) | 
      
        | Attended Head Start (%) | 15 (38) | 
      
        | Attends Title I School (%) | 31 (77) | 
      
        | Mother |  | 
      
        | US Immigrant (%) | 40 (100) | 
      
        | Spanish primary language (%) | 40 (100) | 
      
        | Did not complete HS (%) | 29 (72) | 
      
        | Did not complete 
          8th grade (%) | 18 (44) | 
      
        | Family |  | 
      
        | Below Federal Poverty Guidelines    (%) | 40 (100) | 
      
        | Received WIC (%) | 35 (87) | 
      
        | Two-Parent Family (%) | 34 (85) | 
      
        | ROR/Clinic Exposure: |  | 
      
        | Mean Age at First Clinic Visit in    Days (Range) | 21 
            (3-180) | 
      
        | Mean Number Well-Child Checks    (Range) | 9 (1-14) | 
      
        | Mean Number of ROR Books    Received (Range) | 6 (0-9) | 
      
        | Visited Clinic Library >5 times (%) | 22 (54) | 
      
        | Child Received Books from Clinic    Library (%) | 29 (72) |