TABLE 2

Demographics and Risk Factors for Past-Year NPSU

Past-Year NPSU, n = 115, 5.4%No Past-Year NPSU, n = 2019, 94.6%
Demographics
 Age, mean (SD) , n (%)17.9 (1.6)17.5 (2.0)
 Female, n (%)66 (57.4)1137 (56.3)
 White, n (%)92 (80.0)1438 (71.2)*
 African American, n (%)8 (7.0)329 (16.3)*
 Other, n (%)15 (13.0)253 (12.5)*
 Public assistance (parent or self) , n (%)58 (50.4)569 (28.2)***
 Failing grades, or dropped out of school, n (%)21 (18.4)109 (5.4)***
Risk factors, n (%)
 Dating violence51 (44.4)293 (14.5)***
 Drinking and driving or riding with a drinking driver80 (69.6)556 (27.5) ***
 Alcohol misuse74 (64.4)519 (25.7)***
 Marijuana use92 (80.0)614 (30.4)***
 Nonprescription cough or cold medicine misuse50 (43.5)273 (13.5)***
Visit characteristics and ED utilization, n (%)
 In ED for injury27 (23.4)721 (35.8)**
 Discharged from ED94 (81.7)1697 (84.0)
 Previous ED visit in past 12 mo46 (40.0)503 (24.9)***
 Received oral opioid in the ED11 (9.6)135 (6.7)
 Received intravenous opioid in the ED23 (20.0)303 (15.0)
 Given prescription for narcotic on discharge11 (9.6)135 (6.7)
  • * P < .05; **P < .0.01; ***P < .001.