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Geographic variation in the prescription of schedule II opioid analgesics among outpatients in the United States Curtis, L. H., Stoddard, J., Radeva, J. I., Hutchison, S., Dans, P. E., Wright, A., Woosley, R. L., Schulman, K. A. WILEY. 2006: 837–55

Abstract

To measure geographic variation in opioid use in a large, commercially insured, outpatient population in the United States.Outpatient prescription drug claims database of a national pharmaceutical benefit manager for 7,873,337 subjects with at least one prescription drug claim in 2000.We measured the period prevalence of claims for opioid analgesics and controlled-release oxycodone at the state level. We measured geographic variation using the weighted coefficient of variation and systematic component of variation. In county-level multivariable regression, we explored associations between potential explanatory variables and claims for opioid analgesics and controlled-release oxycodone.A total of 567,778 (64.2 per 1,000 total claims) were for oral opioid analgesics. Claim rates by state ranged from <20 to >100 claims per 1,000 total claims. States with long-standing prescription monitoring programs had among the lowest rates. In the county-level data, presence of a statewide prescription monitoring program and proportions of the population aged 15-24 and 65 years and older were independently and negatively associated with claim rates for all opioid analgesics. Surgeons per 1,000, proportion of the population reporting illicit drug use, and proportion who were female were independently and positively associated with claim rates for all opioid analgesics. Only the proportion of the population aged 25-34 and number of surgeons per 1,000 were independently and positively associated with claim rates for oxycodone.Claim rates for opioid analgesics vary significantly by state. Presence of a statewide prescription monitoring program is associated with lower claim rates at the county level. Future research should use individual-level data to assess whether these findings reflect a reduction in abuse and diversion or suboptimal treatment of pain.

View details for DOI 10.1111/j.1475-6773.2006.00511.x

View details for Web of Science ID 000237464400014

View details for PubMedID 16704515

View details for PubMedCentralID PMC1713206