TY - GEN AU - Svendsen,Kristian AU - Fredheim,Olav M AU - Romundstad,Pål AU - Borchgrevink,Petter C AU - Skurtveit,Svetlana TI - Persistent opioid use and socio-economic factors: a population-based study in Norway SN - 1399-6576 PY - 2014///1103 KW - Adult KW - Age Distribution KW - Aged KW - Analgesics, Opioid KW - therapeutic use KW - Confidence Intervals KW - Drug Utilization KW - Educational Status KW - Emigration and Immigration KW - Employment KW - Female KW - Health Care Surveys KW - Humans KW - Income KW - Logistic Models KW - Male KW - Marital Status KW - Middle Aged KW - Norway KW - epidemiology KW - Odds Ratio KW - Opioid-Related Disorders KW - Population KW - Sex Distribution KW - Socioeconomic Factors N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1111/aas.12281 ER -