Raluca M. Gaher

An affective-motivational model of marijuana and alcohol problems among college students.

The study examined models of marijuana (n = 309) and alcohol (n = 731) problems. Impulsivity was directly associated with both marijuana- and alcohol-related problems. Negative mood regulation expectancies were indirectly associated with marijuana problems through coping motives. Sensation seeking was indirectly associated with alcohol problems through enhancement motives. Affect lability and negative affect were indirectly associated with alcohol problems though coping motives. In both models, coping motives were directly associated with use-related problems. A multigroup analysis indicated that the association between negative affect and coping motives as well as use and problems was stronger among participants using both alcohol and marijuana relative to alcohol only. Enhancement motives were a stronger predictor of alcohol use among participants using alcohol only.

Lability and impulsivity synergistically increase risk for alcohol-related problems.

This study examined two aspects of affect dysregulation as risk factors for alcohol‐related problems. From a sample of 592 undergraduates, 442 alcohol users were examined on measures of impulsivity, lability, alcohol use, and alcohol‐related problems. As expected, affect lability and impulsivity significantly increased risk for alcohol problems even after controlling for gender and lifetime‐use frequency. Impulsivity was further examined as a vulnerability factor, potentially enhancing the relations between use frequency and problems and affect lability and problems. Impulsivity did not moderate the use frequency–problems relationship. However, the relationship between affect lability and problems was greatest among participants with higher degrees of impulsivity. The results demonstrate that individual differences in affect dysregulation are associated with alcohol‐related problems in young adults.

Associations Between Alcohol Use and PTSD Symptoms among American Red Cross Disaster Relief Workers Responding to the 9/11/2001 Attacks

Objective: This study examined associations between alcohol use and PTSD symptoms among Red Cross workers who responded to the 9/11/2001 attacks. Method: Participants were 779 Red Cross paid and volunteer staff that responded during the first three months to the September 11, 2001, attacks against the United States. Women made up 64% of the sample. The American Red Cross provided a mailing list of all paid and volunteer staff (N = 6055 with valid addresses) that participated in the disaster relief operations in response to the September 11, 2001, attacks. Participants were randomly assigned to receive one of four questionnaire packets. The present study is based on the fourth group, which received the alcohol questionnaires. Results: Overall, traumatic stress symptoms and alcohol use were low. Hyperarousal and intrusion symptoms on the Impact of Events Scale-Revised (IES-R) were associated with alcohol consumption, hazardous alcohol consumption, and change in alcohol consumption when controlling for age, gender, and worksite. Positive associations between Intrusion and Avoidance scores and hazardous consumption were stronger for younger participants. Individuals who reported increasing or decreasing alcohol use had higher IES-R scores than did those who maintained their normal rate of alcohol consumption, though effects were stronger for increasing alcohol use. Associations between alcohol variables and avoidance symptoms were minimal. Conclusions: The results suggest that there is a functional relation between posttraumatic stress symptoms and alcohol consumption. The studyindicates that efforts to cope with traumatic stress symptoms may manifest in either increases or decreases in alcohol consumption.

Evaluations and expectancies of alcohol and marijuana problems among college students.

Two studies examined the associations between evaluations (good-bad) and expected likelihood (likely-unlikely) of alcohol- and marijuana-related problems and hazardous consumption and problems among college students. Participants provided data on alcohol use, alcohol-related problems, and expectancies and evaluations of alcohol problems; marijuana use indices, marijuana-related problems, marijuana effect expectancies, and likelihood and evaluations of marijuana problems. Evaluations of alcohol problems were positively related to the number of binge drinking occasions and alcohol-related problems. The interaction between evaluations and expectancies was significant in predicting the number of binge drinking occasions. Expectancies demonstrated a curvilinear relationship with binge drinking and alcohol-related problems. Marijuana users evaluated marijuana-related problems as less negative and less likely to occur than did nonusers. Expectancies, but not evaluations, of negative consequences were significantly associated with marijuana use intensity. Expectancies of problems demonstrated a curvilinear relationship with marijuana-use intensity and marijuana problems. Men evaluated alcohol and marijuana problems less negatively than did women. In summary, the expected likelihood of alcohol-marijuana problems and the evaluation of such problems represent a vulnerability factor associated with increased liability for hazardous alcohol and marijuana use.

I don't know how I feel, therefore I act: Alexithymia, urgency, and alcohol problems

This study examined the relationships between alexithymia, impulsivity, and alcohol use and related problems. The sample consisted of 429 undergraduate students who reported drinking alcohol at least once in the past 3 months. Negative urgency mediated the relationship between alexithymia and alcohol-related problems, whereas positive urgency mediated the relationship between alexithymia and alcohol consumption. In addition, positive urgency moderated the relationship between alexithymia and alcohol-related problems, increasing the strength of this association. These results indicate distinct relationships between alexithymia and negative urgency and positive urgency in predicting alcohol consumption and related problems. The findings of this research contribute to the body of the literature on alexithymia, self-regulation, and etiology of alcohol misuse and related consequences. Furthermore, the findings of the current study provide support for the importance of emotion identification and expression skills training in substance abuse treatment.

Difficulty identifying feelings predicts the persistence of trauma symptoms in a sample of veterans who experienced military sexual trauma.

The current study examined the prospective association between alexithymia and the persistence of trauma symptoms in a clinical sample of 175 male and female veterans who experienced sexual trauma during military service (military sexual trauma; MST). Trauma symptoms decreased significantly over the course of a specialized residential treatment program. Difficulty identifying feelings was related to persistence of the following trauma symptoms: overall symptoms, sexual abuse trauma symptoms, dissociative symptoms, and anxiety. Men exhibited more persistent symptoms overall, more persistent sexual problems, and more sexual abuse trauma symptoms compared with women (over and above controlling for symptoms at intake). The results speak to the significant role that difficulty identifying feelings has in the treatment of PTSD. In addition, the results suggest that MST has different implications for men compared with women. Specifically, men who were sexually abused in the military experienced greater persistence of symptoms compared with women, especially in the areas of sexual functioning.

An experience sampling study of PTSD and alcohol-related problems

Posttraumatic stress disorder (PTSD) represents a debilitating psychiatric condition that is affecting the lives of many returning veterans. PTSD and alcohol use and dependence are highly comorbid. The purpose of this study was to understand the functional mechanisms between PTSD and alcohol use and problems. Specifically, the role of negative urgency and emotional intelligence were investigated as vulnerability and resiliency factors, respectively. This study utilized experience sampling to test associations between PTSD symptoms and alcohol use and related problems in a sample of 90 OIF/OEF veterans. Participants completed 8 brief questionnaires daily for 2 weeks on palmtop computers. Elevations in PTSD symptoms during the day were associated with subsequent increases in alcohol use and associated problems that night. PTSD symptoms were associated with greater problems above and beyond the effect of drinking level at both the within- and between- person level. Emotional intelligence was associated with lower negative urgency, fewer PTSD symptoms, and less alcohol use and associated problems. The effects of emotional intelligence were primarily indirect via negative urgency and the effects of negative urgency on alcohol use and problems were indirect via its positive association with PTSD symptoms. Hypothesized cross-level effects of emotional intelligence and negative urgency were not supported. The findings suggest a functional association between PTSD symptoms and alcohol consumption. The association between PTSD symptoms and alcohol consumption is consistent with a self-medication model. However, the significant associations between PTSD symptoms and alcohol problems, after controlling for use level, suggest a broader role of dysregulation.

Attitudes toward alcohol and drug-free experience among college students: relationships with alcohol consumption and problems.

This study examined prospective relations between attitudes toward alcohol use and drug‐free experience and alcohol consumption and problems in 231 undergraduate students (73% women). Attitude toward drug‐free experience was hypothesized to moderate the alcohol attitude–behavior relationship. Participants were assessed twice, separated by a 30‐day interval. Attitude toward alcohol use at Time 1 was associated with alcohol consumption at Time 2. Time 1 attitude toward alcohol use and the interaction between the attitude variables were associated with problems at Time 2, indicating that attitude toward alcohol use was less associated with alcohol problems among participants with more positive attitudes toward drug‐free experience. Attitude toward drug‐free experience acted as a protective factor, reducing the relationship between alcohol attitude and alcohol‐related problems.

Child maltreatment and deliberate self-harm among college students: testing mediation and moderation models for impulsivity

This study examined the relationship between child maltreatment, impulsivity, and deliberate self-harm in a sample of college students. Four subtypes of impulsivity (urgency, premeditation, perseverance, and sensation seeking) were examined. Results show that participants who report child maltreatment histories also report higher levels of negative affect and higher levels of impulsivity, specifically negative urgency. In addition, those who report histories of child maltreatment are more likely to endorse deliberate self-harm behaviors as an adult. Of the 4 subtypes of impulsivity, urgency was most strongly related to deliberate self-harm. Urgency, but not the other subtypes of impulsivity, mediated the relationship between child maltreatment and self-harm. The current study contributes to the understanding of the mechanisms behind deliberate self-harm behavior by suggesting that individuals with histories of child maltreatment are more likely to engage in deliberate self-harm in an attempt to quickly reduce intense negative affect.

Child Maltreatment and Deliberate Self-Harm A Negative Binomial Hurdle Model for Explanatory Constructs

Emerging adults demonstrate the highest rates of deliberate self-harm (DSH) and thus represent a population in need of further study. While child maltreatment (CM) history is a risk factor for DSH, the mechanisms behind this relationship are not fully understood. This study tested a model of mechanisms linking CM with DSH (likelihood of engaging in the behavior and frequency among those who self-harm) via negative urgency (tendency to engage in impulsive behaviors under conditions of negative affect), distress tolerance, sense of control, and desire for control in a sample of college students. As hypothesized, CM had a strong positive direct association with both the likelihood and frequency of DSH. CM was positively associated with negative urgency and inversely associated with distress tolerance and sense of control. Negative urgency was positively associated with DSH likelihood and frequency. Distress tolerance was not directly associated with DSH but was indirectly associated with DSH likelihood and frequency via negative urgency. Sense of control was not associated with the likelihood of engaging in DSH; however, among those who endorsed a history of DSH, sense of control was positively associated with DSH frequency. Desire for control was not associated with either CM or DSH.