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Table 5 Characteristics of studies evaluating risk markers for prescription drug overdose

From: Risk markers for fatal and non-fatal prescription drug overdose: a meta-analysis

First author, Year

Study subjects

Data source

Study design

Location

Study time period

Source of outcome information

Source of risk marker information

Bauer et al. 2016

Adults seen at Boston Health Care for the Homeless Program (BHCHP)

BHCHP data and Massachusetts Department of Public Health annual death occurrence files

Retrospective record review (cohort)

Boston, Massachusetts

January 1, 2003 - December 31, 2008

Massachusetts Department of Public Health annual death occurrence files

BHCHP electronic health records

Bohnert et al. 2011 a

All unintentional prescription opioid overdose decedents and a random sample of patients a month those individuals who used Veteran’s Health Services in 2004 or 2005 and received opioid therapy for pain

Veteran Affairs National Patient Care Database and National Death Index

Case-cohort study

United States

Fiscal Year (FY) 2004 -FY 2008

National Death Index

Veteran Affairs National Patient Care Database

Bohnert et al. 2012 a

All treated in Veterans Health Administration facilities during the fiscal year 1999 who were alive at the start of fiscal year 2000.

Veteran Affairs National Patient Care Database and National Death Index

Cohort

United States

Oct 1, 1999 - Sep 30, 2006

National Death Index

Veteran Affairs National Patient Care Database

Brady et al. 2015

New York State ED patients who subsequently died of prescription drug overdose

New York Statewide Planning and Research Cooperative

Nested case-control

New York, United States

2006-2010

New York City vital statistics records

New York Statewide Planning and Research Cooperative System (SPARCS) ED data

Caudarella et al. 2016

Persons who use drugs in Vancouver, Canada - 2 cohorts: Vancouver Injection Drug Users Study (VIDUS) and AIDS Care Cohort to Evaluate Access to Survival Services (ACCESS)

VIDUS, ACCESS, and provincial Vital Statistics Agency

Prospective cohort

Vancouver, Canada

May, 1996 - December, 2011

provincial Vital Statistics Agency

Self-report

CDC Medicaid 2009

Residents of Washington State

The Washington State Heath and Recovery Services Administration

Cross-sectional

Washington State, United States

2004-2007

National Center for Health Statistics and Medicaid

National Center for Health Statistics and Medicaid

CDC Non-illicit Drugs Utah 2005 b

Utah residents

Centralized state medical examiner system and office of planning and budget state population estimates

Cross-sectional

Utah, United States

1991-2003

Office of the state medical examiner

Office of the state medical examiner

CDC Prescription opioid pain relievers 2011

Drug overdose deaths in the US population

National Vital Statistics System

Cross-sectional

United States

2008

National Vital Statistics System

National Vital Statistics System

CDC Urbanization, New Mexico, 2005

New Mexico residents

New Mexico Office of Medical Investigator, Office of Management and Budget, US Census data

Cross-sectional

New Mexico, United States

1994-2003

New Mexico Office of Medical Investigator

New Mexico Office of Medical Investigator, Office of Management and Budget and U.S. census

Cerdá et al. 2013

Decedents in New York City

Office of the Chief Medical Examiner of New York City

Case-control

New York City, NY, United States

2000-2006

Office of the Chief Medical Examiner of New York City

Office of the Chief Medical Examiner of New York City

Coben et al. 2010

Hospitalizations for poisonings

National Inpatient Sample from the Agency for Healthcare Research and Quality Improvement

Cross-sectional

United States

2006

Hospital discharge data

Hospital discharge data

Dilokthornsakul et al. 2016

Colorado Medicaid population, 2009-2014

Medicaid claims database

Retrospective nested case-control

Colorado, United States

July 2009 - June 2014

Colorado Medicaid claims database

Colorado Medicaid claims database

Dunn et al. 2010

Individuals receiving care from the group health cooperative and who were age 18 years or older, initiated treatment with opioids between 1997 and 2005, received 3 or more opioid analgesic prescriptions in the 90 days after initiation and received a non-cancer pain diagnosis from the prescribing physician within 2 weeks prior to the initial opioid prescription

Group Health Cooperative claims data

Retrospective cohort

Washington State, United States

January 1, 1997 -December 31, 2006

Overdose events were assessed primarily through medical record review

Group Health Cooperative data

Gomes et al. 2011 c

Residents of Ontario Canada 15-64 who were eligible for public drug coverage and had received an opioid for nonmalignant pain

Ontario Public Drug Benefit Program; Ontario Cancer Registry

Population-based nested matched case-control

Ontario, Canada

Aug 1, 1997 -Dec 31, 2006

Office of the Chief Coroner of Ontario

Ontario Public Drug Benefit Program

Hall et al. 2008

Residents of West Virginia

Death certificates- Health Statistics Center of the West Virginia Department of Health and Human Resources and cross-referenced with investigations from the Chief Medical Examiner, West Virginia Board of Pharmacy and US Census data

Cross-sectional

West Virginia, United States

2006

Death certificates- Health Statistics Center of the West Virginia Department of Health and Human Resources and cross-referenced with investigations from the Chief Medical Examiner

Death certificates- Health Statistics Center of the West Virginia Department of Health and Human Resources and cross-referenced with investigations from the Chief Medical Examiner and US. Census

Hartung et al. 2007

Patients receiving at least one script for of a long acting opioid of ≥28 day supply who had ≥180 days of continuous Medicaid fee for service eligibility prior to the first dispensing

Medicaid administrative claims data

Retrospective cohort

Oregon, United States

Jan 1, 2000 - Dec 31, 2004

Medicaid administrative claims, by ICD-9 codes

Medicaid administrative claims

Havens et al. 2011a

Residents of rural Appalachian counties in Kentucky that use drugs and are over 18 and had used drugs in the past 30 days

Respondent driven sample

Cross-sectional

Any Appalachian county of rural Kentucky, United States

Nov 2008-Sep 2010

Self-report

Self-report

Hulse et al. 2001

Adolescents (12-19 years of age) presenting to the emergency department with conditions related to alcohol or drug use who had a nurse assessment in 4 metropolitan hospitals in a 4-week period, Perth, Australia

Medical record data

Cross-sectional

Perth Australia

4-week period in 2000

Medical record

Medical record

Lanier et al. 2012

Decedents 18 years or older who died from prescription opioids in Utah from October 26, 2008 to October 25, 2009 and Utah 2008 Behavioral risk marker Surveillance System respondents who reported prescription opioids use during the previous year

Utah 2008 Behavioral Risk Factor Surveillance System

Matched case-control

Utah, United States

2008-2009

Utah Office of the Medical Examiner (OME)

OME, Next-of-kin interviews, Utah 2008 Behavioral Risk Factor Surveillance System

Mack 2013

Drug overdose deaths among women and the US population

National Vital Statistics System

Cross-sectional

United States

2010

National Vital Statistics System

National Vital Statistics System

Paulozzi et al. 2012

Decedents 10 years and older who died of unintentional drug overdose and had at least one record in the New Mexico Prescription Drug Monitoring Program and controls were identified through the state prescription drug monitoring program

New Mexico Office of Medical Investigator, and New Mexico Prescription Drug Monitoring Program data

Matched case-control

New Mexico, United States

Oct 1, 2006 - Mar 31, 2008

New Mexico Office of the Medical Investigator

New Mexico State Prescription Drug Monitoring Program

Peirce et al. 2012

Persons 18 years and older who had at least 1 outpatient prescription filled for a Schedule II through Schedule IV controlled substance in West Virginia

West Virginia State Board of Pharmacy Controlled Substance Monitoring Program and Forensic Drug Database

Case-control

West Virginia, United States

Jul 1, 2005 - Dec 31, 2007

Forensic Drug Database

West Virginia State Board of Pharmacy Controlled Substance Monitoring Program and Forensic Drug Database

Piercefield et al. 2010 c

Oklahoma residence in which the medical examiner reasoned that at least one prescription or over the counter drug contributed to the unintentional drug death

Oklahoma medical examiner data and the US census

Cross-sectional

Oklahoma, United States

Jan 1, 2004 – Dec 31, 2006

Oklahoma State the Medical Examiner case record

Oklahoma OME case record

Rudd et al. 2016

Drug overdose deaths in the US population

National Vital Statistics System

Cross-sectional

United States

2013-2014

National Vital Statistics System

National Vital Statistics System

Seal et al. 2012 a

Iraq and Afghanistan veterans who received at least 1 non-cancer related pain diagnosis within 1 year of entering the Veteran’s Affairs health care system

Veteran Affairs National Patient Care Database

Retrospective cohort

United States

Oct 1, 2005 - Dec 31, 2010

Veteran Affairs National Patient Care Database

Veteran Affairs National Patient Care Database

Silva et al. 2013

A sample of young nonmedical users of prescription drugs

Chain referral sampling and recruitment from different project phases

Cross-sectional

New York, New York and Los Angeles, California, United States

Oct 1, 2009 –Mar 31 2011

Self-report

Self-report

Turner and Liang 2015

Aetna Health Maintenance Program beneficiaries aged 18-64 years, enrolled at least 1 year, who filled at least two prescriptions for Schedule I or II opioids for non-cancer pain

HMO enrollment files and claims for services and prescriptions

Retrospective cohort

United States

January 2009- July 2012

HMO enrollment files and claims for services and prescriptions

HMO enrollment files and claims for services and prescriptions

Whitmire and Adams 2010 d

North Carolina Medicaid population, 2007

Medicaid administrative claims data

Matched case-control

North Carolina, United States

2006-2007

North Carolina resident death records,

Medicaid administrative claims

Zedler et al. 2014

Veterans Health Administration patients who were dispensed an opioid by VHA

VHA Medical SAS datasets

Retrospective nested case-control

United States

October 1, 2010 - September 30, 2012

VHA Medical SAS Datasets

VHA Medical SAS Datasets

  1. MMEs morphine milligram equivalents, CPT current procedural terminology, ICD-9 international classification of diseases, 9th revision, ICD-10 international classification of diseases, 10th revision, CS controlled substances, OME office of the medical examine
  2. aStudies are not independent
  3. bInformation refers to deaths occurring between 1999 and 2003
  4. cInformation refers to deaths occurring between 2004 and 2006
  5. dMatching variables not included in risk markers