Prevalence Among US High School Students of Having Carried a Weapon on School Property in the Previous 30 Days, by Gender

"Nationwide, 3.8% of students had carried a weapon (e.g., a gun, knife, or club) on school property on at least 1 day during the 30 days before the survey (Supplementary Table 18). The prevalence of having carried a weapon on school property was higher among male (5.6%) than female (1.9%) students; higher among white male (5.9%), black male (5.4%), and Hispanic male (4.5%) than white female (1.7%), black female (1.7%), and Hispanic female (2.5%) students, respectively; and higher among 9th-grade male (3.6%), 10th-grade male (4.8%), 11th-grade male (7.1%), and 12th-grade male (7.0%) than 9th-grade female (1.3%), 10th-grade female (1.4%), 11th-grade female (3.0%), and 12th-grade female (1.5%) students, respectively. The prevalence of having carried a weapon on school property was higher among 11th-grade (5.0%) and 12th-grade (4.2%) than 9th-grade (2.5%) students; higher among 11th-grade (5.0%) than 10th-grade (3.2%) students; higher among 11th-grade female (3.0%) than 9th-grade female (1.3%), 10th-grade female (1.4%), and 12th-grade female (1.5%) students; and higher among 11th-grade male (7.1%) and 12th-grade male (7.0%) than 9th-grade male (3.6%) students.

"Analyses based on the question ascertaining sexual identity indicated that nationwide, 3.4% of heterosexual students; 5.9% of gay, lesbian, and bisexual students; and 4.9% of not sure students had carried a weapon on school property (Supplementary Table 18). The prevalence of having carried a weapon on school property was higher among gay, lesbian, and bisexual (5.9%) than heterosexual (3.4%) students. Among female students, the prevalence was higher among lesbian and bisexual (4.9%) than heterosexual (1.4%) students. The prevalence also was higher among heterosexual male (5.0%) than heterosexual female (1.4%) students and higher among not sure male (6.8%) than not sure female (2.2%) students."