Predictors of Latent Trajectory Classes of Physical Dating Violence Victimization

This study identified classes of developmental trajectories of physical dating violence victimization from grades 8 to 12 and examined theoretically-based risk factors that distinguished among trajectory classes. Data were from a multi-wave longitudinal study spanning 8th through 12th grade (n = 2,566; 51.9 % female). Growth mixture models were used to identify trajectory classes of physical dating violence victimization separately for girls and boys. Logistic and multinomial logistic regressions were used to identify situational and target vulnerability factors associated with the trajectory classes. For girls, three trajectory classes were identified: a low/non-involved class; a moderate class where victimization increased slightly until the 10th grade and then decreased through the 12th grade; and a high class where victimization started at a higher level in the 8th grade, increased substantially until the 10th grade, and then decreased until the 12th grade. For males, two classes were identified: a low/non-involved class, and a victimized class where victimization increased slightly until the 9th grade, decreased until the 11th grade, and then increased again through the 12th grade. In bivariate analyses, almost all of the situational and target vulnerability risk factors distinguished the victimization classes from the non-involved classes. However, when all risk factors and control variables were in the model, alcohol use (a situational vulnerability) was the only factor that distinguished membership in the moderate trajectory class from the non-involved class for girls; anxiety and being victimized by peers (target vulnerability factors) were the factors that distinguished the high from the non-involved classes for the girls; and victimization by peers was the only factor distinguishing the victimized from the non-involved class for boys. These findings contribute to our understanding of the heterogeneity in physical dating violence victimization during adolescence and the malleable risk factors associated with each trajectory class for boys and girls.     

Adolescent dating violence: do adolescents follow in their friends', or their parents', footsteps?

Past research suggests that adolescents whose parents are violent toward one another should be more likely to experience dating violence. Having friends in violent relationships also may increase the odds of dating violence. The authors examined which antecedent, friend dating violence or interparental violence, if either, is more strongly predictive of own dating violence perpetration and victimization. Five hundred and twenty-six adolescents (eighth and ninth graders) completed self-report questionnaires on two occasions over a 6-month period. Consistent with hypotheses, friend dating violence and interparental violence each exhibited unique cross-sectional associations with own perpetration and victimization. However, only friend violence consistently predicted later dating violence. The authors explored influence versus selection processes to explain the association between friend and own dating violence.     

SUPERFUND FINANCING ALTERNATIVES

In 1980 Congress created the Superfund to pay for the selective cleanup of hazardous waste disposal sites. The original Superfund program was financed by earmarked "feedstock" taxes on petroleum and 42 chemicals, and by a "waste-end" tax on hazardous waste received a t disposal facilities. Budgetary authority for the program expired in September 1985. Over a year elapsed before Congress renewed budgetary authority for the program by expanding the feedstock taxes, suspending the waste-end tax, and imposing a new broad-base tax on corporate income. This paper examines the efficiency and equity effects of the current and several alternative Superfund tax policies. Special emphasis is given to the administrative and compliance costs associated with each tax, and the capacity of each to complement EPA regulation of hazardous waste externalities.     

Sexual Dating Aggression Across Grades 8 Through 12: Timing and Predictors of Onset

Investigators have identified a number of factors that increase risk for physical and psychological dating abuse perpetration during adolescence, but as yet little is known about the etiology of sexual dating aggression during this critical developmental period. This is an important gap in the literature given that research suggests that patterns of sexual dating violence that are established during this period may carry over into young adulthood. Using a sample of 459 male adolescents (76 % White, 19 % Black), the current study used survival analysis to examine the timing and predictors of sexual dating aggression perpetration onset across grades 8 through 12. Risk for sexual dating aggression onset increased across early adolescence, peaked in the 10th grade, and desisted thereafter. As predicted based on the Confluence Model of sexual aggression, associations between early physical aggression towards peers and dates and sexual aggression onset were stronger for teens reporting higher levels of rape myth acceptance. Contrary to predictions, inter-parental violence, prior victimization experiences, and parental monitoring knowledge did not predict sexual dating aggression onset. Findings support the notion that risk factors may work synergistically to predict sexual dating aggression and highlight the importance of rape myth acceptance as a construct that should be addressed by violence prevention programs.     

Associations of Neighborhood and Family Factors with Trajectories of Physical and Social Aggression During Adolescence

Adolescents develop within multiple contexts that synergistically influence their behavior and health. To understand the simultaneous influence of neighborhood and family contexts on adolescents, this study examined relationships of neighborhood socioeconomic disadvantage, neighborhood social disorganization, family conflict, parent–child bonding and parental control with trajectories of physical and social aggression. The sample included 5,118 adolescents between ages 11 and 18 (50 % female, 52 % Caucasian) living in predominantly rural areas. Multilevel growth curve models showed an interaction between neighborhood disadvantage, family conflict and gender on the physical aggression trajectories. The interaction suggested more rapid processes of both increase in and desistance from physical aggression over time for boys with high neighborhood disadvantage and high family conflict, as well as a higher starting point, more gradual increase and slower process of desistance over time for girls in similar neighborhood and family contexts. Less parent–child bonding and less parental control also were associated with higher initial levels of physical aggression. For social aggression, an interaction between family conflict and gender showed girls with high family conflict had the highest initial levels of social aggression, with a more gradual increase over time for these girls compared to their male counterparts in high-conflict families or their female counterparts in low-conflict families. Less parent–child bonding was associated with higher initial levels and a faster increase over time of social aggression, and less parental control was associated with higher initial levels of social aggression. The findings suggest early family-based interventions may help prevent perpetration of both physical and social aggression during adolescence.     

The Stability of Perceived Pubertal Timing Across Adolescence

It is unknown whether perceived pubertal timing changes as puberty progresses or whether it is an important component of adolescent identity formation that is fixed early in pubertal development. The purpose of this study is to examine the stability of perceived pubertal timing among a school-based sample of rural adolescents aged 11-17 (N=6,425; 50% female; 53% White). Two measures of pubertal timing were used, stage-normative, based on the Pubertal Development Scale, a self-report scale of secondary sexual characteristics, and peer-normative, a one-item measure of perceived pubertal timing. Two longitudinal methods were used: one-way random effects ANOVA models and latent class analysis. When calculating intraclass correlation coefficients using the one-way random effects ANOVA models, which is based on the average reliability from one time point to the next, both measures had similar, but poor, stability. In contrast, latent class analysis, which looks at the longitudinal response pattern of each individual and treats deviation from that pattern as measurement error, showed three stable and distinct response patterns for both measures: always early, always on-time, and always late. Study results suggest instability in perceived pubertal timing from one age to the next, but this instability is likely due to measurement error. Thus, it may be necessary to take into account the longitudinal pattern of perceived pubertal timing across adolescence rather than measuring perceived pubertal timing at one point in time.     

Modeling Risk for Intimate Partner Violence among Recent-Era Veteran-Partner Dyads

Using an actor-partner interdependence model, we examined whether veterans’ posttraumatic stress symptoms (PTSS) contributed to partners’ drug abuse symptoms, whether partners’ drug abuse symptoms contributed to intimate partner violence (IPV) perpetration, and whether drug abuse symptoms mediated PTSS-IPV perpetration associations. Participants were recent-era veterans who participated in the Mid-Atlantic Mental Illness Research, Education and Clinical Center Post-Deployment Mental Health study. Veterans who took part at one site and their partners (N = 49 couples) completed a follow-up study in which drug abuse symptoms and IPV perpetration were assessed. Veterans’ PTSS contributed to veterans’ drug abuse symptoms. Veterans’ drug abuse symptoms were associated with their IPV perpetration (i.e., an actor effect) and their partners’ IPV perpetration (i.e., a crossover effect). Drug abuse symptoms mediated the association between veterans’ PTSS and partners’ reports of IPV perpetration. Findings suggest complex relationships between PTSS, drug abuse problems and IPV perpetration among these dyads.