ABSTRACT Title of Dissertation: PATERNAL ADHD, PARENTING, AND CHILD CONDUCT PROBLEMS: POTENTIAL MECHANISMS. Abigail D. Mintz, Doctor of Philosophy, 2012 Dissertation Directed By: Professor Andrea Chronis-Tuscano Department of Psychology Parental factors, specifically psychopathology and parenting, robustly predict negative developmental outcomes among children with attention- deficit/hyperactivity disorder (ADHD). Indeed, emergent findings have linked maternal ADHD symptoms both with sub-optimal parenting and child conduct problems within families of children with ADHD. Despite considerable research supporting the important and unique contributions of fathers to their children’s development, the role of fathers within families of children with ADHD has seldom been examined. In particular, little research has been conducted with regard to paternal ADHD symptoms and parenting, despite clear evidence for an association between maternal ADHD symptoms and maladaptive parenting. The current study examined psychopathology and parenting behavior among a sample of fathers (N=102) and their 5-12 year-old children with previously-diagnosed ADHD. Results indicated that paternal antisocial personality disorder (ASPD) symptoms (rather than ADHD symptoms) were robustly associated with child conduct problems, and paternal negative parenting mediated this relationship. Future research using prospective longitudinal designs should examine multiple forms of psychopathology and parenting behavior among fathers of children with ADHD in order to identify potential risk factors and associated mechanisms for the development of child conduct problems. PATERNAL ADHD, PARENTING, AND CHILD CONDUCT PROBLEMS: POTENTIAL MECHANISMS. By Abigail D. Mintz Dissertation submitted to the Faculty of the Graduate School of the University of Maryland, College Park, in partial fulfillment of the requirements for the degree of Doctor of Philosophy 2012 Advisory Committee: Professor Andrea Chronis-Tuscano, Chair Professor Natasha J. Cabrera Professor Andres De Los Reyes Professor Lea R. Dougherty Professor Karen M. O’Brien © Copyright by Abigail D. Mintz 2012 ii Dedication To my parents for their unending support and encouragement. To my husband for riding alongside me on the long and winding road toward my degree. To my teachers in all aspects of my training: instructional, research, and clinical. Finally, to the tireless efforts of all parents, both mothers and fathers, who are raising a child with any type of special need. iii Acknowledgements The author wishes to thank those undergraduate students who aided in data collection and organization for this study: Robert Beck, B.A. and Katie Harrelson, B.A. A special thanks to the Institute for Challenging Disorganization (ICD) for their assistance in recruitment for this study. The author also wishes to thank the following dissertation committee members for their input regarding this study: Andrea Chronis-Tuscano, Ph.D. (Chair), Natasha Cabrera, Ph.D., Karen O’Brien, Ph.D., Lea Dougherty, Ph.D., and Andres De Los Reyes, Ph.D. iv Table of Contents Dedication................................................................................................................ii Acknowledgments..................................................................................................iii Table of Contents....................................................................................................iv List of Tables...........................................................................................................v List of Figures.........................................................................................................vi Introduction..............................................................................................................1 Aims.......................................................................................................................25 Method...................................................................................................................29 Results....................................................................................................................38 Discussion..............................................................................................................60 Figures....................................................................................................................75 Tables.....................................................................................................................80 Appendices.............................................................................................................89 References............................................................................................................123 v List of Tables Table 1. Aim 1: Paternal Sample Demographic and Diagnostic Characteristics Table 2. Aim 1: Child Sample Demographic and Diagnostic Characteristics Table 3. Correlation Matrix of Independent, Dependent, Mediator and Demographic Variables Table 4. Aim 2a: Total, direct, indirect, and partial effects of the mediation model Table 5. Aim 2b: Total, direct, indirect, and partial effects of the mediation model Table 6. Aim 3a: Total, direct, indirect, and partial effects of the mediation model Table 7. Aim 3b: Total, direct, indirect, and partial effects of the mediation model Table 8. Exploratory Aim 1a: Total, direct, indirect, and partial effects of the mediation model Table 9. Exploratory Aim 1b: Total, direct, indirect, and partial effects of the mediation model Table 10. Exploratory Aim 2a: Paternal ADHD and ASPD symptoms predicting child CP Table 11. Exploratory Aim 2b: Paternal ADHD and ASPD symptoms predicting paternal PP Table 12. Exploratory Aim 2c: Paternal ADHD and ASPD symptoms predicting paternal NP Table 13. Aim 2c: Total, direct, indirect, and partial effects of the moderated mediation model Table 14. Aim 3c: Total, direct, indirect, and partial effects of the moderated mediation model Table 15. Exploratory Aim 1c: Total, direct, indirect, and partial effects of the moderated mediation model Table 16. Exploratory Aim 1c: Total, direct, indirect, and partial effects of the moderated mediation model vi List of Figures Figure 1. Disposition of participants Figure 2. Model of direct effects (A) and simple mediation (B): Aims 2a and 2b Figure 3. Model of direct effects (A) and simple mediation (B): Aims 3a and 3b Figure 4. Model of direct effects (A) and simple mediation (B): Exploratory Analysis 1a Figure 5. Model of direct effects (A) and simple mediation (B): Exploratory Analysis 1b Figure 6. Model of direct effects (A) and moderated mediation (B): Aim 2c Figure 7. Model of direct effects (A) and moderated mediation (B): Aim 3c Figure 8. Models of direct effects (A) and moderated mediation (B): Exploratory analysis 1c 1 Introduction Children with ADHD and Comorbid Conduct Problems ADHD is present in 3-7% of school-age children in the United States (American Psychiatric Association, 2000). Characterized by symptoms of hyperactivity, impulsivity, and inattention, children with ADHD experience significant functional impairment across important life areas (APA, 2000). For instance, they often have more conflict with parents and siblings, have trouble succeeding in the classroom both academically and socially, and face unique challenges in maintaining peer relationships (Coie & Dodge, 1998; Fischer, 1990; Mikami & Pfiffner, 2008; Zentall, 2007). Additionally, these children are at substantially higher risk for maladaptive outcomes later in development, such as early initiation and abuse of substances, depression, suicidal behavior, and delinquency (Burke, Loeber, & Lahey, 2001; Chronis-Tuscano et al., 2010; Elkins et al., 2007). Conduct Disorder (CD) and Oppositional Defiant Disorder (ODD) are both highly comorbid with ADHD. CD is characterized by consistent behaviors in any of the following categories: aggression to people and animals, destruction of property, deceitfulness or theft, and serious violations of rules (APA, 2000). In community samples, CD co-occurs with ADHD at rates between 2.6 percent (Romano, Tremblay, Vitarro, Zoccolillo, Pagani, 2005) and 17.1 percent (Bird, Gould, & Staghezza-Jaramillo, 1994). Moreover, some clinical samples have found comorbidity rates between ADHD and CD as high as 52.4 percent (Jensen, Martin & Cantwell, 1997). ODD is characterized by a recurrent pattern of
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