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Table 1 Description of Datasets and Case Definitions

From: Estimating the prevalence of illicit opioid use in New York City using multiple data sources

Dataset Source Population Type Captured Information Collected Case Definition Year
PRIMARY DATASETS
Statewide Planning and Research Cooperative System (SPARCS) New York State Dept. of Health 1. Individuals discharged from hospital (inpatient dataset) 2. Individuals admitted to emergency room (outpatient dataset) · Demographic characteristics · Zip code of residence · Procedures and principal, secondary and admitting diagnoses, classified by ICD-9 codesi · Services received · Charges for treatment · Age > 18 years · Zip code of residence within New York City · Hospital located in New York City · Opioid use as principal or secondary diagnosis, based on ICD-9 codesii · Unique individual, identified by SPARCS unique identifier + date of birth + sex · No detoxification or rehabilitation admissions 2006
Client Data System (CDS) New York State Dept. of Health, Office of Alcohol and Substance Abuse Services 1. Individuals admitted to inpatient medical detoxification (crisis admissions) 2. Individuals admitted to New York State licensed drug treatment programs, including methadone maintenance · Demographic characteristics · Zip code of residence ·· Substance use behaviors, based on client self-report (includes current drugs of abuse, frequency of use and mode of administration) · Age > 18 years · Zip code of residence within New York City · Opioid drugiii reported as drug of abuse (primary, secondary, or tertiary drug) in at least one admission · Unique individual, identified by unique identifier constructed from sex + date of birth + last four digits of social security number + first two characters of last name · First admission of calendar year 2006
SUPPLEMENTAL DATASETS
National Survey on Drug Use and Health (NSDUH) U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration General civilian population - Excludes institutionalized persons - Includes residents of noninstitutional group quarters (e.g. shelters, rooming houses) · No individual identifying information · Region of residence · Substance use behaviors, based on self-report (includes substances used; lifetime, past year and current drug use; frequency and severity of use) · Age > 12 years · Surveyed in New York City (New York Substate Region A)iv · Opioid abuse or dependence, classified using DSM-IV criteria as per standard NSDUH methodologyv 2005-2006 (avg)vi
Correctional Health Services program statistics Correctional Health Services, New York City Dept. of Health and Mental Hygiene Jail inmates - Serving sentence of one year or less, or - Detainee facing potential sentence of one year or less · Number of inmates receiving methadone for opioid dependence (detoxification or maintenance treatment) · Age > 18 years · In New York City jail facility providing methadone for opioid dependencevii · Receiving methadone for detoxification or maintenance treatment 2006
Vital Statistics Bureau of Vital Statistics, and Bureau of Alcohol and Drug Use Prevention, Care and Treatment of New York City Dept. of Health and Mental Hygiene Drug overdose decedents · Unintentional drug overdose deaths, based on Medical Examiner recordsviii · All ages · Death occurred in NYC · Unintentional drug overdose deaths as defined by NYC DOHMH, based on manner of death and underlying cause of death recorded on death certificates 2006
Medication prescription records New York City Dept. of Health and Mental Hygiene Individuals initiating buprenorphine treatment · Number of buprenorphine prescriptions filled each month at NYC pharmacies · Number of buprenorphine prescriptions filled by individuals who had no buprenorphine prescription in NYC during prior 3 years · Adults and adolescents · Filled at least one prescription for buprenorphine ·No buprenorphine prescription filled in NYC during prior 3 years 2006
  1. iInternational Classification of Infectious Disease, 9th revision (ICD-9).
  2. iiICD-9 codes specifying opioid misuse:
  3. 304.0 Opioid dependence
  4. 304.7 Combination opioid and any other drug dependence
  5. 305.5 Opioid abuse
  6. 965.0 Poisoning by opioids and related narcotics
  7. E850.0 Accidental poisoning by heroin
  8. E850.1 Accidental poisoning by methadone
  9. E850.2 Accidental poisoning by opiates NEC
  10. E935.0 Adverse effects in therapeutic use – heroin
  11. iii Opioids defined as 1) heroin or 2) prescription opioids: OxyContin, buprenorphine, non-prescribed methadone, or other opiate/synthetic.
  12. iv Substate-level data on opioid use is not published, but was obtained for New York City (NSDUH region A) from the Substance Abuse and Mental Health Services Administration (SAMHSA) for the purposes of this study.
  13. v The National Survey on Drug Use and Health (NSDUH) includes a series of questions to assess the prevalence of substance use disorders (i.e., dependence on or abuse of a substance) in the past 12 months. These questions are used to classify persons as dependent on or abusing specific substances based on criteria specified in the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV) (American Psychiatric Association [APA], 1994). [http://www.oas.samhsa.gov/NSDUH/2k9NSDUH/2k9Results.htm#Ch7].
  14. vi Averages for calendar years 2005–2006 reported.
  15. vii Includes all non-hospital facilities of the New York City Department of Corrections providing methadone for detoxification or maintenance treatment: Eric M. Taylor Center, Anna M. Kross Center, Rose M. Singer Center.
  16. viii The DOHMH Bureau of Alcohol and Drug Use Prevention, Care and Treatment conducted an additional in-depth review of Medical Examiner records to define in further detail the substances involved and circumstances of overdose death. This data was previously reported (NYC DOHMH Vital Signs, February, 2010); only data from calendar year 2006 data was included in our analysis. Paone D, Heller D, Olson C, Kerker B. Illicit Drug Use in New York City. NYC Vital Signs. 2010;9(1):1–4. [http://www.nyc.gov/html/doh/downloads/pdf/survey/survey-2009drugod.pdf].