Identifying Problematic Substance Use in a National Sample of Adolescents Using Frequency Questions

From the College of Public Health, Division of Health Services Management and Policy, Ohio State University, Columbus, OH (LJC, TMW, DJC); Nationwide Children's Hospital, Research Institute, Columbus (LJC, DJC); Kaiser Permanente Washington Health Research Institute, Seattle, WA (KAB, GTL); College of Medicine, Department of Pediatrics, Ohio State University, Columbus (DJC).

From the College of Public Health, Division of Health Services Management and Policy, Ohio State University, Columbus, OH (LJC, TMW, DJC); Nationwide Children's Hospital, Research Institute, Columbus (LJC, DJC); Kaiser Permanente Washington Health Research Institute, Seattle, WA (KAB, GTL); College of Medicine, Department of Pediatrics, Ohio State University, Columbus (DJC).

From the College of Public Health, Division of Health Services Management and Policy, Ohio State University, Columbus, OH (LJC, TMW, DJC); Nationwide Children's Hospital, Research Institute, Columbus (LJC, DJC); Kaiser Permanente Washington Health Research Institute, Seattle, WA (KAB, GTL); College of Medicine, Department of Pediatrics, Ohio State University, Columbus (DJC).

From the College of Public Health, Division of Health Services Management and Policy, Ohio State University, Columbus, OH (LJC, TMW, DJC); Nationwide Children's Hospital, Research Institute, Columbus (LJC, DJC); Kaiser Permanente Washington Health Research Institute, Seattle, WA (KAB, GTL); College of Medicine, Department of Pediatrics, Ohio State University, Columbus (DJC).

From the College of Public Health, Division of Health Services Management and Policy, Ohio State University, Columbus, OH (LJC, TMW, DJC); Nationwide Children's Hospital, Research Institute, Columbus (LJC, DJC); Kaiser Permanente Washington Health Research Institute, Seattle, WA (KAB, GTL); College of Medicine, Department of Pediatrics, Ohio State University, Columbus (DJC).