Skip to main content
Fig. 1 | Injury Epidemiology

Fig. 1

From: Effect on background checks of newly-enacted comprehensive background check policies in Oregon and Washington: a synthetic control approach

Fig. 1

Trend in monthly handgun background check rates per 100,000 people in Oregon and Washington and their synthetic controls, January 1999 to December 2018. Note. P-value computed as the proportion of states in the donor pool with standardized change (post-intervention RMSPE/pre-intervention RMSPE) ≥ the standardized change in the treated state. Abbreviation: Diff = Percentage difference

Back to article page

Injury Epidemiology

ISSN: 2197-1714