Economic Inequality in Eye Care Utilization and its Determinants: A Blinder-Oaxaca Decomposition
In: Int J Health Policy Manag 2014; 3: 307–313. doi: 10.15171/ijhpm.2014.100
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In: Int J Health Policy Manag 2014; 3: 307–313. doi: 10.15171/ijhpm.2014.100
SSRN
In: Substance use & misuse: an international interdisciplinary forum, Band 49, Heft 10, S. 1303-1310
ISSN: 1532-2491
In: Substance use & misuse: an international interdisciplinary forum, Band 54, Heft 4, S. 601-611
ISSN: 1532-2491
In: European addiction research, Band 21, Heft 3, S. 144-152
ISSN: 1421-9891
<b><i>Background:</i></b> Assessments of DSM-IV and DSM-5 criteria with sample populations of opioid users are limited. This study aimed to determine the number of latent classes in opioid users and assessment of the proposed revisions to the DSM-5 opioid use disorder (OUD) criteria. <b><i>Methods:</i></b> Data came from the 2011 Iranian National Mental Health Survey (IranMHS) on 7,886 participants aged 15-64 years living in Iran. We used the Composite International Diagnostic Interview (CIDI) version 2.1 in all respondents who indicated using opioids at least 5 times in the previous 12 months (n = 236). <b><i>Results:</i></b> A three-class model provided the best fit of all the models tested. Classes showed a spectrum of severity that was compatible with the DSM-5 classification. 'Legal problems' and 'desire to cut down' showed poor discrimination between classes. The weighted prevalence of OUD using DSM-5 was 20.7% higher than with DSM-IV. <b><i>Conclusions:</i></b> Results support the grouping based on severity of symptoms, combining abuse and dependence into a single diagnosis, omitting legal problems, and addition of craving as a new criterion.