Table 1

Summary of Sample Size and Mean Number of Shocks for Each Variable

VariablenMean Number of Shocks
No substances1351.58
Substances (alcohol, stimulants, other, multiple)911.58
Mental illness381.92
No mental illness1951.50
  • Each category may include individuals from other categories (e.g., some who use substances may also have a mental illness, and some who have no mental illness have substance use), and the total therefore exceeds the sample size.