Relational Psychotherapy Mothers' Group: A randomized clinical trial for substance abusing mothers

Författare

Luthar SS, Suchman NE, Altomare M.

Utgivningsår

2007

Tidskrift

Development and Psychopathology

Volym

Häfte

Sidor

243-61

Sammanfattning

The purpose of this study was to ascertain the effectiveness of the Relational Psychotherapy Mothers' Group (RPMG), a supportive parenting group intervention for substance abusing women. Sixty mothers receiving RPMG were compared to 67 women receiving recovery training (RT); both treatments supplemented treatment in the methadone clinics. At the end of the 6-month treatment period, RPMG mothers showed marginally significant improvement on child maltreatment (self-reported) and cocaine abuse based on urinalyses when compared with RT mothers; notably, children of RPMG mothers reported significantly greater improvement in emotional adjustment and depression than children of RT mothers. At 6 months follow-up, however, treatment gains were no longer apparent. Overall, the findings suggest that whereas supportive parenting interventions for substance abusing women do have some preventive potential, abrupt cessation of the therapeutic program could have deleterious consequences.

Thousands of American children are at risk for negative outcomes because of maternal substance abuse. Estimates are that as many as four million American women regularly use illicit drugs (SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2002/2003); about 80% of these women are likely to be mothers of at least one child (National Center on Addiction and Substance Abuse, 1996). Drug abusing mothers show elevated levels of psychiatric disturbance—particularly depression and anxiety—as well as significant problems with child rearing (Beckwith, Rozga, & Sigman, 2002; Luthar, Cushing, Merikangas, & Rounsaville, 1998; Najavits, Weiss, & Shaw, 1997; Singer et al., 1997). It is not surprising that their children also display several difficulties, with as many as 65% manifesting a psychiatric disorder by the teen years (Luthar et al., 1998).

Although their multiple vulnerabilities indicate that addicted mothers need multifaceted therapeutic interventions, drug treatment programs traditionally have entailed scant attention to their personal and parenting needs (Luthar & Suchman, 2000a). These programs were originally developed for men and then used with women as well, with little consideration of the unique challenges and needs of the latter, particular in terms of their roles as mothers (cf. Hogan, 1998; Millar & Stermac, 2000; Westermeyer & Boedicker, 2000). In the last 2 decades, however, there have been several efforts to develop and test such multi-pronged programs (Camp & Finkelstein, 1997; Catalano, Gainey, Fleming, Haggerty, & Johnson, 1999). In this paper, we focus on one such intervention, which showed promise in early pilot testing (Luthar & Suchman, 2000a), the Relational Psychotherapy Mothers' Group (RPMG), with the goal of assessing effectiveness relative to alternative forms of treatment.

Developed for heroin-addicted mothers with children up to 16 years of age, RPMG is a supportive psychotherapy aimed at facilitating optimal parenting among at-risk mothers, and it is offered over 24 weekly group sessions that supplement standard methadone treatment. Conceptually, the treatment was developed within the scaffolding of the literature on risk and resilience, with (a) consideration of processes operating at multiple levels, related to the individual, family, and community, and (b) a focus on both positive and negative forces among at-risk groups (Luthar & Cicchetti, 2000).

At the individual level, the RPMG intervention is grounded in the view that attention to addicted mothers' personal distress levels is critical to improve their parenting behaviors. At the same time, the treatment entails deliberate attempts to harness mothers' tendencies toward guilt (regret at their past "errors") as catalysts for change toward optimal parenting. Thus, the first half of the 24 sessions in this treatment are directly focused on the women's own functioning, addressing topics such as coping with anger, depression, and the constructive use of guilt.

Vulnerability factors at the familial level span multiple forms of dysfunctional parenting that many of these women experienced as children, ranging from inadequate nurturance to physical or sexual abuse (El-Bassel, Gilbert, Schilling, & Wada, 2000; Harmer, Sanderson, & Mertin, 1999; Hogan, 1998; Najavits et al., 1997). Obviously, these experiences pose risks for their own parenting. Salient among the protective forces conversely, is concern about the well-being of their children along with both the desire and potential to benefit from supportive parenting interventions (Hogan, 1998; Luthar & Suchman, 2000a). Accordingly, the second 12 of the 24 RPMG sessions are focused on specific parenting issues, such as alternatives to physical punishment, age-appropriate limits in discipline, and warmth in parenting.

At the level of the community, a pronounced risk is exposure to stigma (El-Bassel et al., 2000; Eliason & Skinstad, 1995; Hogan, 1998; Luthar et al., 1998; Najavits et al., 1995); in clinical settings, the fallout of such stigmas is wariness of strictly didactic treatment approaches that seem to emphasize addicted women's deficits as parents (Levy & Rutter, 1992). The effort in RPMG, therefore, is to discuss child-rearing issues in the context of nonjudgmental, supportive experiences using insight-oriented therapy. A second community-level risk is dysfunctional social networks: isolation is a serious problem, and close relationships that do exist reflect various difficulties such as domestic violence (Amaro & Hardy-Fanta, 1995; Brunswick & Titus, 1998; El-Bassel et al., 2000; Harmer et al., 1999; Hogan, 1998; Wald, Harvey, & Hibbard, 1995). Accordingly, RPMG was developed as a supportive treatment, with the use of a group format designed to help women develop their interpersonal skills, to perceive the universality of dilemmas pertaining to roles as women and mothers (e.g., Yalom, 1985), and to benefit from mutually supportive interpersonal networks.

In terms of therapeutic characteristics, four features define RPMG as an intervention. The first is a supportive therapists'stance. Encompassing the Rogerian constructs of acceptance, empathy, and genuineness, this is essential to foster a strong therapeutic alliance and to meet mothers' unmet developmental needs (e.g., trust vs. mistrust in relationships). The second is an interpersonal, relational focus (see Klerman, Weissman, Rounsaville, & Chevron, 1984), a component addressing the interpersonal isolation and stress figuring prominently in addicted women's lives. The third feature is discovery-based, insight-oriented parenting skill facilitation. Rather than "instructing" mothers about appropriate parenting, role plays and brainstorming exercises are used to encourage them to explore their own parenting strategies and to guide them toward optimal approaches (for further description of the RPMG intervention, see Luthar & Suchman, 1999, 2000a).

With regard to features as a group treatment, RPMG is restricted to mothers and to female therapists to optimize women's comfort in discussing sensitive issues such as their own victimization. To accommodate the frequently chaotic schedules of patients in methadone treatment, group membership is open or rotating. Although closed-group membership can promote group cohesion and trust, open enrollment provides the opportunity to engage women in treatment when each of them is highly motivated to join. Sessions are led by a graduate level clinician with expertise in working with families as well as addiction-related issues.1 All sessions are semistructured, and a therapists' manual (Luthar, Suchman, & Boltas, 1997) provides a detailed outline for addressing each session topic.

With regard to children's age span, the group intervention was intentionally designed to accommodate mothers of children birth to 16 years for the following reasons. First, a broad age span allowed mothers a natural context within which to share experience and provide guidance to one another, to ask each other questions about upcoming developmental stages, and to share advice with newer mothers about earlier phases of development. Second, our aim was to provide parental guidance that could apply broadly to parenting across different phases of development rather than focusing more specifically on any one stage of child development. For example, although limit setting strategies vary with children's age, limit setting can be more generally understood and applied as a means to maintaining a calm family environment in which the parent maintains control and order. Our aim was to discuss themes such as this one that were more or less universal to all stages of parenting so that mothers could adopt new views about the parent-child relationship and apply them broadly with all children in their families. In contrast to behavioral parent training programs that aim to teach parents to manage children's misbehavior (see, e.g., Catalano et al., 1999; Kumpfer, 1998), this approach aimed to promote mothers' understanding of their children's needs more broadly, including the need for support, nurturance, structure, limits, emotional regulation and security.

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The Pilot Study
The RPMG treatment was originally designed, manualized, and tested as part of a 3-year psychotherapy development project (Luthar & Suchman, 2000a). Opioid abusing women who received this intervention along with standard treatment in methadone programs were compared with those receiving standard treatment alone. Standard treatment entailed participation in weekly, 1-hr counseling groups and periodic meetings with case managers to secure basic needs (e.g., housing or welfare benefits). The counseling groups were led by certified drug clinicians and focused on information on the unfolding of addictions and pitfalls of addictive behaviors.

Effects of the RPMG intervention were evaluated in terms of the women's functioning as parents, their psychological functioning, and adjustment of their children. The single most critical domain was the mother's risk for maltreating behaviors, a serious problem among addicted parents (Ammerman, Kolko, Kirisci, Blackson, & Dawes, 1999; Dore & Doris, 1998; Dunn et al., 2002; Rogosch, Cicchetti, Shields, & Toth, 1995); this was assessed via the women's own reports and also by children's reports for children over 7 years of age. Also assessed were women's positive parenting behaviors in terms of the affective quality of the relationship: involvement and communication with their children. The women's psychosocial adjustment was assessed in terms of satisfaction in their roles as mothers as well as depressive symptoms, and their children's psychosocial functioning (e.g., internalizing, externalizing, and clinical, school, and personal maladjustment) were evaluated by both mothers' and children's reports. Finally, data on the women's drug use were also examined, as improvements in addicted women's psychosocial functioning can carry over to their substance use as well (e.g., Najavits, Weiss, Shaw, & Muenz, 1998).

In addition to testing effectiveness, also examined in the pilot study was whether RPMG did, in fact, provide therapeutic components distinct from those in standard drug counseling. A Therapist Adherence Rating Scale was developed, with items based on the defining features of each of the two interventions (RPMG and standard drug counseling).

Results showed that at the end of the 24-week treatment, mothers receiving RPMG demonstrated lower risk for child maltreatment (by mothers' and children's reports), greater involvement with children, and more positive psychosocial adjustment, than women who received methadone counseling alone. Small to moderate effect sizes for group differences were also found for mothers' and children's reports of child maladjustment. Notably, urinalyses indicated that RPMG mothers showed greater improvements in opioid use over time than comparison mothers. At 6 months posttreatment, RPMG recipients continued to be at an advantage, although the magnitude of group differences was lower. Finally, the Therapist Adherence Scale had good psychometric properties and did discriminate between the treatments.

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