Descriptive statistics for variables used in analyses, United States, January 3, 2021 to January 3, 2023.

Sample size . Means are presented with standard errors in parentheses. Percentages represent the proportion of observations with the characteristic. Location variable indicates whether the most lethal shooting event on the day occurred in the Congress member’s state. Race/ethnicity percentages represent unique members of Congress by demographic category.

样本量：
均值以括号内标注标准误的形式呈现。百分比代表具备该特征的观测值所占的比例。位置变量用于指示当日致死性最高的枪击事件是否发生在对应国会议员所在的州。种族/族裔百分比则代表按人口统计类别划分的国会议员个体占比。