State-level teen dating violence education laws and teen dating violence victimisation in the USA: a cross-sectional analysis of 36 states

State laws addressing teen dating violence in US high schools: A difference-in-differences study

OBJECTIVE

Teen dating violence (TDV) is prevalent with lifelong adverse consequences, and strategies to reduce its burden are needed. Many U.S. states have enacted laws to address TDV in schools, but few studies have examined their effectiveness. This study aimed to assess whether state TDV laws were associated with changes in physical TDV victimization among high school students.

METHODS

We used repeated cross-sectional data of high school students from the Youth Risk Behavior Survey across 41 states from 1999 to 2019. Using a difference-in-differences approach with an event study design, we compared changes in past-year physical TDV in states that enacted TDV laws (n = 21) compared to states with no required laws (n = 20). Analyses accounted for clustering at the state-level and state and year-fixed effects. We conducted sensitivity analyses to assess the robustness of our findings.

RESULTS

In our sample of 1,240,211 students, the prevalence of past-year physical TDV was 9.2% across all state-years. In 1999, the prevalence of TDV at the state-level ranged from 7.5 to 13.0%; in 2019, the prevalence ranged from 3.7 to 10.5%. There was no significant association between TDV laws and past-year physical TDV. Six or more waves after enactment, we observed a non-significant 1.7% percentage point reduction in TDV in states with TDV laws (95% CI: -3.6 to 0.3 percentage points; p = 0.10).

CONCLUSIONS

We found no significant association between enactment of TDV laws and physical TDV among high school students. Further research is needed to understand how TDV laws are implemented and components of TDV laws that may influence effectiveness.

United States' teen dating violence policies: summary of policy element variation

As teen dating violence (TDV) has gained attention as a public health concern across the United States (US), many efforts to mitigate TDV appear as policies in the 50 states in the form of for programming in K-12 schools. A keyword search identified 61 state-level school-based TDV policies. We developed an abstraction form to conduct a content analysis of these policies and generated descriptive statistics and graphic summaries. Thirty of the policies were original and 31 were additions or revisions of policies enacted by 17 of the 30 states previously. Of a possible score of 63, the minimum, mean, median, and maximum scores of currently active policies were 3.0, 17.7, 18.3, and 33.8, respectively. Results revealed considerable state-to-state variation in the presence and composition of school-based TDV policies. Opportunity for improving policies was universal, even among those with most favorably scores.

Trends in Secondary School Practices Related to Violence Prevention, 2012-2018

BACKGROUND

Schools are important venues for addressing interpersonal violence among youth. However, it is unclear to what extent school violence prevention practices have been implemented across states and over time. This study examined trends in the percentage of US secondary schools that engaged in practices related to violence prevention (eg, bullying, fighting, dating violence) across 33 states.

METHODS

With representative data from 4 waves (2012-2018) of School Health Profiles, we used logistic regression to examine change over time of 5 practices related to violence prevention in school-based settings: professional development for health education teachers (received and would like to receive); increasing student knowledge; and teaching healthy and respectful relationships in grades 6-8 and grades 9-12.

RESULTS

Two practices had rates of adoption >90% across years (tried to increase student knowledge on violence prevention and taught healthy and respectful relationship in grades 9-12). Adoption of professional development on violence prevention for health education teachers was lowest (53%-61% across years). For all practices, most states experienced no change in the percentage of schools implementing violence prevention practices from 2012 to 2018.

CONCLUSION

Education about healthy relationships in middle school and professional development on violence prevention for health education teachers are needed.