User characteristics and out-of-pocket expenditures for progestin-only versus combined oral contraceptives |
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| Institution: | 1. Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada;2. Research Triangle Institute, Research Triangle Park, North Carolina, USA;3. Duke Clinical Research Institute, Duke University, Durham, North Carolina, USA;4. Department of Clinical Pharmacy, Center for Translational and Policy Research on Personalized Medicine (TRANSPERS), University of California at San Francisco, San Francisco, California, USA;5. UCSF Philip R. Lee Institute for Health Policy, University of California at San Francisco, San Francisco, California, USA;6. UCSF Helen Diller Family Comprehensive Cancer Center, University of California at San Francisco, San Francisco, California, USA;1. Department of Radiology, the Huaihe Hospital of Henan University, Henan, Kaifeng, 475000, PR China;2. Department of Radiology, the People′s Hospital of Wuhan University, Wuhan, 430060, PR China |
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| Abstract: | BackgroundLittle is known about the proportion of oral contraceptive pill (OCP) users that use progestin-only pills (POPs), factors associated with POP use, and whether out-of-pocket expenditures and dispensing patterns are similar to combined oral contraceptives (COCs).Study DesignObservational cohort using 1996–2008 Medical Expenditure Panel Surveys.ResultsAmong all OCP users, 4% used POPs and changed little between 1996 and 2008. Women were more likely to use POPs if they received postpartum care (p<.001), had a diagnosis of hypertension (p<.001) or resided in the West (p<.01). POP users, compared to COC users, were more likely to pay $15 and more (p<.01) and less likely to obtain more than one pack per purchase (p<.001), controlling for age, race/ethnicity and insurance coverage.ConclusionPOP use is very low in the United States. POP users obtained fewer packs per purchase compared with COC users, suggesting that POP may be used as transitional OCPs, particularly during the postpartum period. |
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