TY - JOUR KW - 3233:Substance Abuse & Addiction KW - Adolescent KW - Adult KW - Adulthood (18 yrs & older) KW - Aged (65 yrs & older) KW - article KW - Canada KW - Death and Dying KW - Drug Abuse KW - Empirical Study KW - Female KW - Health Surveys KW - Human KW - Humans KW - Interview KW - Male KW - Measurement KW - Middle Age (40-64 yrs) KW - Middle Aged KW - Morbidity KW - Mortality KW - non-medical prescription opioid use KW - Ontario KW - Opiates KW - opioid-related disorders KW - Prescription Drugs KW - Prevalence KW - prevalence assessment KW - Quantitative Study KW - Surveys and Questionnaires KW - Thirties (30-39 yrs) KW - Young Adult KW - Young Adulthood (18-29 yrs) AU - Kevin D. Shield AU - Anca Ialomiteanu AU - Benedikt Fischer AU - Jurgen Rehm A1 - BT - BMC Psychiatry C5 - Opioids & Substance Use JF - BMC Psychiatry PB - BioMed Central Limited PY - 2013 SP - 8 T1 - Assessing the prevalence of non-medical prescription opioid use in the Canadian general adult population: Evidence of large variation depending on survey questions used T2 - BMC Psychiatry TI - Assessing the prevalence of non-medical prescription opioid use in the Canadian general adult population: Evidence of large variation depending on survey questions used U1 - Opioids & Substance Use VL - 13 Y1 - 2013 ER -