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dc.contributor.authorØwre-Eide, Vigdis
dc.contributor.authorSkjeldestad, Finn Egil
dc.date.accessioned2017-03-02T08:54:30Z
dc.date.available2017-03-02T08:54:30Z
dc.date.issued2016-10-19
dc.description.abstractIntroduction: Knowledge about global use patterns of contraceptive implants is limited. This study aims to describe implant use patterns from a user and prescriber perspective. <p> Material and methods: In a cross-sectional design, we estimated the annual number of users by calculating doses sold per 1000 women-years in the Norwegian Prescription Database for the years 2006-2012. For each contraceptive method, we calculated on an annual basis a proportion of defined daily doses (DDDs) of all hormonal contraceptives in five years age groups. Data were analyzed in SPSS version 22, with chi-square test, t-test, and survival analysis. <p> Results: Sales from pharmacies for contraceptive implants more than doubled over the study years and was consistently higher in the younger age groups. The collection rate was 9.3 per 1000 women in 2012, when implant sales amounted to 2.4% of all daily doses of hormonal contraceptives sold. General practitioners and doctors with no specialty were the major prescribers to starters of contraceptive implants, whereas gynecologists prescribed nearly 12% of the volume, a higher proportion to women > 35 years of age than younger women. The cumulative proportions of continued users at 6-, 12-, 24-, and 36-months were 96.1%, 78.6%, 51.9%, and 34.9%, significantly lower for users who had doctors with no specialty as prescribers. At end of first expiration period, 21% of starters continued using implants. <p> Conclusion: Implants play a minor role in the overall use of hormonal contraception in Norway. One in five starters continue as long-term users.en_US
dc.descriptionManuscript. Published version available at <a href=http://dx.doi.org/10.1111/aogs.13002> http://dx.doi.org/10.1111/aogs.13002 </a>en_US
dc.identifier.citationØvre-Eide V, Skjeldestad FE. Use pattern for contraceptive implants in Norway. Acta Obstet Gynecol Scand 2016; 95:1244–1250.en_US
dc.identifier.cristinIDFRIDAID 1442084
dc.identifier.doi10.1111/aogs.13002
dc.identifier.issn0001-6349
dc.identifier.issn1600-0412
dc.identifier.urihttps://hdl.handle.net/10037/10408
dc.language.isoengen_US
dc.publisherJohn Wiley & Sons Ltd.en_US
dc.relation.journalActa Obstetricia et Gynecologica Scandinavica
dc.rights.accessRightsopenAccessen_US
dc.subjectVDP::Medisinske Fag: 700::Klinisk medisinske fag: 750::Gynekologi og obstetrikk: 756en_US
dc.subjectVDP::Medical disciplines: 700::Clinical medical disciplines: 750::Gynecology and obstetrics: 756en_US
dc.subjectcontraceptive implantsen_US
dc.subjectFemale contraceptionen_US
dc.subjecthormonal contraceptionen_US
dc.subjectcontraception behavioren_US
dc.subjectelectronic prescriptionsen_US
dc.subjectphysician prescribing patternsen_US
dc.subjectsynthetic progestogensen_US
dc.titleUse pattern for contraceptive implants in Norwayen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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