Substance Use in Undergraduate Students With Histories of Attention-Deficit/Hyperactivity Disorder (ADHD): The Role of Impulsivity.

BACKGROUND: Emerging adulthood (18-25 years old) is regarded as a time of identity exploration that includes a peak in risky behaviors, such as substance use and misuse. Attention-deficit/hyperactivity disorder (ADHD) is also associated with greater levels of risky behaviors, including substance use and misuse; however, there is a lack of research on substance use by emerging adults with ADHD, in particular the potential mechanisms that may facilitate this risk. OBJECTIVES: The present study builds on the existing research regarding the association between ADHD and substance use by examining roles of multiple facets of impulsivity in facilitating this association during emerging adulthood. METHODS: In a sample of 197 undergraduate students (24 students with an ADHD diagnostic history), we assessed for components of impulsivity (e.g., urgency, sensation-seeking) and rates of alcohol abuse, tobacco use, cannabis use, illicit drug use, and stimulant medication misuse within the past year. RESULTS: Findings indicate that facets of impulsivity, as a whole, explained the association between an ADHD diagnostic history and both illicit drug use and alcohol abuse such that students with ADHD histories tended to report higher levels of impulsivity, which increased risk of alcohol abuse and illicit drug use. Higher levels of specific facets of impulsivity, particularly negative urgency, also facilitated associations between having ADHD and engaging in most forms of substance use tested herein. Conclusions/Importance: Specific facets of impulsivity appear to be important mediators of the association between ADHD and substance use, and should be considered as potential targets of substance use interventions for this population.

Psychometric Properties of the Impairment Rating Scale in Samples of Adults With Attention Deficit Hyperactivity Disorder.

Adults with attention deficit hyperactivity disorder (ADHD) are impaired in numerous domains. However, psychometrically sound measures assessing broad-ranging impairment, particularly brief scales for diagnostic purposes, are scarce. The Impairment Rating Scale (IRS), originally developed to assess ADHD-related impairment in children, has been adapted to a 12-item self-report measure of impairment in adults. In this study, the psychometric properties of the adult IRS were examined in three samples. In Studies 1 and 2, the adult IRS demonstrated good convergent, divergent, and incremental validity among college students and an online sample of adults, respectively. In the same studies, an appropriate clinical cutoff score was identified (IRS item score ≥1) using diagnostic tests. In Study 3, the adult IRS demonstrated good interrater reliability between ratings provided by romantic partners. Overall, findings support the clinical utility of the adapted IRS for assessing the impairment diagnostic criterion for ADHD in adults.

Exploring Predictors of Treatment Engagement in Urban Integrated Primary Care.

OBJECTIVE: Integrated primary care (IPC) is intended to address the gap in access to behavioral health care. This may be particularly true in urban settings; however, there is a paucity of research on treatment engagement in urban IPC. This study explored factors associated with treatment engagement. METHOD: Data were collected via retrospective chart review for 410 patients of diverse backgrounds who received an IPC referral in an urban primary care site. Patient-related factors included having multiple types of referral concerns, patient primary care show rate, and number of visits with referring clinician. Service-related factors included referral type (warm handoff/ electronic), number of days between referral and intake, and average number of days between IPC treatment sessions. Engagement outcomes included attendance at IPC intake, total IPC sessions attended, overall IPC show rate, and IPC treatment attrition. RESULTS: Of referred patients, 348 (84.9%) were encouraged to or scheduled an intake. Of those, 289 (83.1%) scheduled and 57.2% attended; the average number of sessions attended was 1.73. Patients who had more primary care office visits and higher primary care show rates were more likely to attend an IPC intake. Shorter average duration between follow-up sessions was associated with higher overall IPC show rates for those who initiated IPC follow-up care. CONCLUSIONS: Supporting engagement in primary care broadly and building scheduling capacity for IPC treatment may increase IPC service engagement in an urban primary care context.

Rates of Intimate Partner Violence Perpetration and Victimization Among Adults With ADHD.

OBJECTIVE: Research has demonstrated an association between ADHD and intimate partner violence (IPV). However, it is unclear whether adults with ADHD persisting from childhood are especially at risk, and whether ADHD is a unique risk factor beyond well-established predictors of IPV. METHOD: Adults with ( n = 95) and without childhood histories of ADHD ( n = 121) who were recruited from Amazon's Mechanical Turk reported their levels of IPV perpetration and victimization, and provided data on additional risk factors of IPV (e.g., childhood maltreatment, alcohol abuse). RESULTS: While controlling for additional risk factors, adults diagnosed with ADHD as children, particularly those with elevated current ADHD symptoms (ADHD-Persist), reported higher rates of IPV perpetration and victimization than adults with ADHD histories but low current symptoms (ADHD-Desist) and adults who were never diagnosed with ADHD (control). CONCLUSION: Adults with ADHD histories and elevated current symptoms are most likely to report IPV perpetration and victimization.

ADHD and Depression Symptoms in Parent Couples Predict Response to Child ADHD and ODD Behavior.

Parents of children with attention-deficit hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD) often have elevated ADHD and depressive symptoms, both of which increase the risk of ineffective parenting and interparental discord. However, little is known about whether child ADHD/ODD behavior and parent ADHD or depressive symptoms uniquely or synergistically predict the quality of parenting and interparental communication during triadic (mother-father-child) interactions. Ninety parent couples, including 51 who have children diagnosed with ADHD, were randomly assigned to interact with a 9-12 year-old confederate child (84 % male) exhibiting either ADHD/ODD-like behavior or typical behavior. Parents reported their own ADHD and depressive symptoms, and parents and observers rated the quality of parenting and interparental communication during the interaction. Actor-partner interdependence modeling indicated that child ADHD/ODD behavior predicted less positive and more negative parenting and communication, independent of adult ADHD and depressive symptoms. Parent couples including two parents with elevated ADHD communicated more positively while managing children exhibiting ADHD/ODD behavior than couples managing children behaving typically or couples with only one parent with elevated ADHD symptoms. Couples including one parent with, and one parent without, elevated ADHD or depressive symptoms parented less positively and more negatively, and communicated more negatively, when managing children exhibiting ADHD/ODD behavior than when managing children behaving typically. Taken together, depending on the similarity of ADHD and depressive symptom levels in parent couples, adults managing children exhibiting ADHD/ODD behavior may parent or communicate positively or negatively. Findings highlight the need to consider the psychopathology of both parents when treating children with ADHD in two-parent homes.