Trial of Mentalization-Based Therapy for Substance Using Mothers of Infants and Toddlers

Primary Outcome Measures:

• Parent Development Interview coded for maternal reflective functioning [ Time Frame: Change at week 12 (post-treatment) from baseline ]
  The Parent Development Interview (PDI; Slade, Aber, Berger, Bresgi, & Kaplan, 2002) was used to measure maternal capacity to mentalize about her own and her child's behavior. The PDI is a 1 hour semi-structured interview designed to elicit the mother's narrative about commonly occurring, emotionally-challenging aspects of parenting. A rating of 1 indicates a absence of recognition of mental states. A rating of 3 indicates a limited capacity to acknowledge mental states. A rating of 5 indicates the presence of a rudimentary capacity for reflective functioning.
  
  
• Parent Development Interview coded for maternal reflective functioning [ Time Frame: Change at week 33 (follow up) from baseline ]
  The Parent Development Interview (PDI; Slade, Aber, Berger, Bresgi, & Kaplan, 2002) was used to measure maternal capacity to mentalize about her own and her child's behavior. The PDI is a 1 hour semi-structured interview designed to elicit the mother's narrative about commonly occurring, emotionally-challenging aspects of parenting. A rating of 1 indicates a absence of recognition of mental states. A rating of 3 indicates a limited capacity to acknowledge mental states. A rating of 5 indicates the presence of a rudimentary capacity for reflective functioning.
  
  

Secondary Outcome Measures:

• Working Model of the Child Interview (coded for representation quality) [ Time Frame: Change at week 12 (post-treatment) from baseline ]
  The Working Model of the Child Interview (WMCI; Zeanah & Benoit, 1993) is a 1.5 hour interview used to elicit a narrative description of the mother's perceptions of her child and their relationship. The rater was trained by the to reliably code 6e qualitative subscales Openness, Richness, Coherence, Caregiving Sensitivity and Acceptance and Involvement. On the mean of six subscales, a score of three is considered to represent average representational quality, scores of 1 and 2 are considered to represent clinical risk and scores of 4 and 5 are considered to represent optimal quality.
  
  
• Working Model of the Child Interview (coded for representation quality) [ Time Frame: Change at week 33 (follow up) from baseline ]
  The Working Model of the Child Interview (WMCI; Zeanah & Benoit, 1993) is a 1.5 hour interview used to elicit a narrative description of the mother's perceptions of her child and their relationship. The rater was trained by the to reliably code 6e qualitative subscales Openness, Richness, Coherence, Caregiving Sensitivity and Acceptance and Involvement. On the mean of six subscales, a score of three is considered to represent average representational quality, scores of 1 and 2 are considered to represent clinical risk and scores of 4 and 5 are considered to represent optimal quality.
  
  
• NCAST Teaching Scales (Maternal Behavior) [ Time Frame: Change at week 12 (post-treatment) from baseline ]
  The NCAST Teaching Scale (Barnard & Eyres, 1979) is a standardized, 73 item tool used to observe and rate quality of interactions with children birth to 36 months. Mothers choose a task to teach the child in a 5 minute teaching session. Maternal behavior is coded on 4 dimensions: Sensitivity to Cues, Response to Distress, Social-Emotional Growth Fostering, & Cognitive Growth Fostering. The Total Caregiver Score is the sum of the 4 subscale scores. The Total Caregiver Contingency Score is the sum of 20 items from the 4 subscales that involve the caregiver's contingent response to child cues.
  
  
• NCAST Teaching Scales (Maternal Behavior) [ Time Frame: Change at week 33 (follow up) from baseline ]
  The NCAST Teaching Scale (Barnard & Eyres, 1979) is a standardized, 73 item tool used to observe and rate quality of interactions with children birth to 36 months. Mothers choose a task to teach the child in a 5 minute teaching session. Maternal behavior is coded on 4 dimensions: Sensitivity to Cues, Response to Distress, Social-Emotional Growth Fostering, & Cognitive Growth Fostering. The Total Caregiver Score is the sum of the 4 subscale scores. The Total Caregiver Contingency Score is the sum of 20 items from the 4 subscales that involve the caregiver's contingent response to child cues.
  
  
• NCAST Teaching Scales (Child Behavior) [ Time Frame: Change at week 12 (post-treatment) from baseline ]
  Child behavior with the mother was assessed using the Clarity of Cues and the Responsiveness to Caregiver Subscales from the NCAST Teaching Scales. The Child Total Score is the sum of the 2 scales. The Child Contingency Score is the sum of 12 contingent items from the 2 scales.
  
  
• NCAST Teaching Scales (Child Behavior) [ Time Frame: Change at week 33 (follow up) from baseline ]
  Child behavior with the mother was assessed using the Clarity of Cues and the Responsiveness to Caregiver Subscales from the NCAST Teaching Scales. The Child Total Score is the sum of the 2 scales. The Child Contingency Score is the sum of 12 contingent items from the 2 scales.
  
  
• Child Attachment Status [ Time Frame: Change at week 12 (post-treatment) from baseline ]
  We will use the standard 8-episode protocol Strange Situation protocol. Each child will receive a classification of secure, insecure or disorganized for each time point.
  
  
• Beck Depression Inventory [ Time Frame: Change at week 12 (post-treatment) from baseline ]
  The Beck Depression Inventory (BDI; Beck, Steer, & Brown, 1996) was used to assess maternal symptoms of depression. The BDI is a widely used 21-item questionnaire rated on a 4-point scale and yields a total score ranging from 0 to 63: scores between 13 and 19 indicate mild depression; scores between 20 and 28 indicate moderate levels of depression, and scores between 29 and 63 indicate severe levels of depression (Beck et al., 1996).
  
  
• Beck Depression Inventory [ Time Frame: Change at week 33 (follow up) from baseline ]
  The Beck Depression Inventory (BDI; Beck, Steer, & Brown, 1996) was used to assess maternal symptoms of depression. The BDI is a widely used 21-item questionnaire rated on a 4-point scale and yields a total score ranging from 0 to 63: scores between 13 and 19 indicate mild depression; scores between 20 and 28 indicate moderate levels of depression, and scores between 29 and 63 indicate severe levels of depression (Beck et al., 1996).
  
  
• Brief Symptom Inventory [ Time Frame: Change at week 33 (follow up) from baseline ]
  The Brief Symptom Inventory (BSI; Derogatis, 1993) was used to assess maternal global psychiatric distress. The BSI is a standardized, widely used, 53-item, 5-point, self-report measure of psychopathology. The composite Global Severity Index (GSI) measures current overall symptomatology across multiple domains and has demonstrated good reliability and validity (Derogatis, 1993). T scores above 60 on the GSI indicate risk for a clinical disorder.
  
  
• Curiosity Box Paradigm [ Time Frame: Change at week 12 (post-treatment) from baseline ]
  . We will use the Curiosity Box Paradigm (Mayes et al., 1993) to assess dyadic adjustment under circumstances of mild uncertainty (i.e., during the child's exploration of unfamiliar toys/objects). Children will explore a box of 9 novel toys or objects (that they are unlikely to have seen before) after an initial 5 minute warm up period with one box of 9 familiar toys. Maternal, child and dyadic behavior will be assessed with the Coding Interaction Behavior Scales (Feldman, 1998).
  
  
• Curiosity Box Paradigm [ Time Frame: Change at week 33 (follow up) from baseline ]
  . We will use the Curiosity Box Paradigm (Mayes et al., 1993) to assess dyadic adjustment under circumstances of mild uncertainty (i.e., during the child's exploration of unfamiliar toys/objects). Children will explore a box of 9 novel toys or objects (that they are unlikely to have seen before) after an initial 5 minute warm up period with one box of 9 familiar toys. Maternal, child and dyadic behavior will be assessed with the Coding Interaction Behavior Scales (Feldman, 1998).
  
  

Five years ago the investigators were funded to develop the Mothers and Toddlers Program (MTP; R01 DA17294 / Project Period: 8/20/04 - 12/31/09). MTP is the first parenting intervention developed for substance abusing mothers based on the attachment theory. It is also the only parenting intervention for substance abusing mothers that has led to improvement in maternal caregiving sensitivity and responsiveness to infant and toddler distress in observed lab-based interactions. The investigators now have all the research materials to conduct a Stage II randomized clinical trial including a treatment manual, treatment fidelity scales therapist training program and outcome measures. In this Stage II formal efficacy trial, the investigators (1) Introduce new measures of dyadic adjustment and child attachment, (2) Add an 18 week follow up period to test for sustained treatment effects, (3) Measure major constructs (reflective functioning, representations, dyadic adjustment, and child attachment) when they are expected to change, (4) Examine temporal mechanisms of change proposed in the MTP treatment model (5) Determine whether improvements in dyadic adjustment reduces incidence of relapse, (6) Broaden the MTP therapist pool by training four new therapists and (7) Broaden the coding pool by training 3 additional coders per measure. One hundred and fifty mothers caring for children ages 12 to 60 months of age will be recruited from outpatient substance abuse treatment services at the APT Foundation into the intention-to-treat sample and will be randomized to 12 weeks of MTP vs. PEP and followed for 33 weeks.