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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Am J Orthopsychiatry. 2015 Sep;85(5):452–468. doi: 10.1037/ort0000087

Table 5.

Effect of Parental Participation in an Adult Drug Treatment Court Program on Children’s School Performance

Parameters Model (1,2, or 3): Math (M) Reading (R) Chronic Absenteeism (CA)
1M 2M 3M 1R 2R 3R 1CA 2CA 3CA
DTC participation (reference=referred but did not enroll)
 Enrolled but did not complete −0.040 (0.045) −0.059 (0.041) −0.061 (0.05) 0.005 (0.047) −0.015 (0.043) −0.006 (0.053) 0.005 (0.013) 0.004 (0.013) 0.025 (0.021)
 Completed 0.151b (0.053) 0.099c (0.048) 0.102 (0.06) 0.101 (0.056) 0.048 (0.051) 0.128c (0.064) 0.006 (0.015) 0.013 (0.015) 0.042 (0.024)
Referred parent (reference=mother)
 Parent referred to DTC was father 0.142a (0.039) 0.043 (0.039) 0.043 (0.039) 0.144a (0.041) 0.039 (0.041) 0.040 (0.041) −0.028c (0.011) −0.01 (0.012) −0.01 (0.012)
 Both parents in DTC 0.398c (0.19) 0.346c (0.175) 0.346c (0.175) 0.382 (0.197) 0.318 (0.183) 0.322 (0.183) −0.027 (0.053) −0.038 (0.052) −0.037 (0.052)
Child Characteristics
 Child: male −0.054 (0.034) −0.072c (0.032) −0.071c (0.032) −0.163a (0.036) −0.178a (0.034) −0.178a (0.034) 0.021c (0.01) 0.022c (0.01) 0.023c (0.01)
 Free or reduced lunch status (FRL) (reference=did not receive FRL)
  Free or reduced lunch −0.068b (0.024) −0.067b (0.024) −0.057c (0.025) −0.054c (0.025) 0.041a (0.01) 0.041a (0.01)
  Free or reduced lunch missing −0.073 (0.053) −0.069 (0.053) −0.053 (0.057) −0.054 (0.057) 0.027 (0.018) 0.025 (0.018)
 Child’s race/ethnicity (reference=White non-Hispanic)
  Black non-Hispanic −0.551a (0.038) −0.551a (0.038) −0.578a (0.04) −0.579a (0.04) −0.038b (0.012) −0.039a (0.012)
  Other non-Hispanic −0.185c (0.08) −0.182c (0.08) −0.199c (0.084) −0.196c (0.084) −0.021 (0.025) −0.021 (0.025)
  Hispanic −0.182 (0.186) −0.181 (0.186) −0.266 (0.194) −0.264 (0.194) −0.008 (0.06) −0.007 (0.06)
 Mother < high school at child’s birth −0.237a (0.037) −0.237a (0.037) −0.238a (0.039) −0.239a (0.039) 0.062a (0.011) 0.061a (0.011)
 No father on birth certificate −0.082 (0.054) −0.081 (0.054) −0.099 (0.057) −0.098 (0.057) 0.012 (0.016) 0.012 (0.016)
 No 1st trimester care −0.042 (0.039) −0.042 (0.039) −0.057 (0.041) −0.058 (0.041) 0.026c (0.011) 0.026c (0.011)
 Low or very low birth weight −0.162b (0.052) −0.161b (0.052) −0.130c (0.054) −0.131c (0.054) −0.030c (0.015) −0.030c (0.015)
Time (reference=year before referral1)
 Year of referral 0.037 (0.026) 0.023 (0.027) 0.02 (0.014)
 1 year post-referral −0.003 (0.028) 0.021 (0.03) 0.004 (0.014)
 2 years post-referral −0.002 (0.032) 0.027 (0.034) 0.011 (0.014)
 3 years post-referral −0.006 (0.036) −0.012 (0.038) 0.001 (0.015)
Interaction: Time and parental DTC participation (reference=referred but did not enroll)
 Enrolled * year of referral −0.032 (0.042) −0.054 (0.045) −0.030 (0.024)
 Enrolled * 1 year after referral 0.014 (0.043) 0.017 (0.046) −0.015 (0.023)
 Enrolled * 2 years after referral 0.018 (0.046) −0.006 (0.049) −0.025 (0.024)
 Enrolled * 3 years after referral 0.014 (0.049) −0.000 (0.053) −0.028 (0.025)
 Completed * Year of referral −0.026 (0.05) −0.076 (0.053) −0.061c (0.028)
 Completed * 1 year post-referral 0.021 (0.051) −0.161b (0.055) −0.008 (0.028)
 Completed * 2 years post-referral −0.031 (0.054) −0.122c (0.058) −0.03 (0.028)
 Completed * 3 years post-referral 0.017 (0.059) −0.042 (0.063) −0.044 (0.029)
Constant −0.408a (0.041) 0.134c (0.051) 0.122c (0.053) −0.312a (0.043) 0.237a (0.054) 0.220a (0.056) 0.078a (0.014) 0.028 (0.018) 0.018 (0.02)

# of student-years 6,476 6,435 8,711

# of students 1,714 1,705 2,115

Standard errors in parentheses

1

Children of parents who were never referred were assigned a “pseudo referral date” that was randomly generated.

Grade binary variables are included in the model but not displayed. Models 1, 2, and 3 are multilevel models that account for clustering at the child level and the mother level.

a

p<0.001

b

p<0.01

c

p<0.05