{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,28]],"date-time":"2025-10-28T18:28:39Z","timestamp":1761676119995,"version":"3.44.0"},"reference-count":31,"publisher":"BMJ","issue":"3","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["J Fam Plann Reprod Health Care"],"accepted":{"date-parts":[[2013,7,23]]},"published-print":{"date-parts":[[2014,7]]},"abstract":"<jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Simultaneous condom and hormonal contraception usage (\u2018dual method use\u2019) maximises protection against pregnancy and sexually transmitted infection (STI), although there is concern that promotion of this strategy could result in diminished condom use and inadvertently increase STI risk. In this study, we (1) assessed how the use of dual methods, versus condoms alone, related to STI and consistency of condom use and (2) described the correlates of dual use.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>A sample of 1450 young people aged 12\u201325\u2005years were surveyed and screened for chlamydia and gonorrhoea at non-clinical sites in two high morbidity Californian counties in 2002\u20132003. Differences in STI prevalence and reported consistency of condom use were assessed for \u2018condom only\u2019 and \u2018dual method\u2019 users. Correlates of dual use were analysed via multivariate polytomous logistic regression.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Condom only and dual method users did not significantly differ in terms of STI prevalence or reported consistency of condom use. Sex, age, race and relationship tenure were significant correlates of dual use.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion<\/jats:title>\n                  <jats:p>In these observational data, dual method use did not detrimentally affect STI risk. If interpreted alongside each subgroups\u2019 risk patterns for STI and unplanned pregnancy, the correlates of dual use can inform STI and pregnancy prevention interventions.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1136\/jfprhc-2012-100295","type":"journal-article","created":{"date-parts":[[2013,11,29]],"date-time":"2013-11-29T20:25:32Z","timestamp":1385756732000},"page":"200-207","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":8,"title":["Dual contraceptive use among adolescents and young adults: correlates and implications for condom use and sexually transmitted infection outcomes"],"prefix":"10.1136","volume":"40","author":[{"given":"Julia E","family":"Hood","sequence":"first","affiliation":[{"name":"Epidemiologist II, Department of Epidemiology, University of Washington, Seattle, WA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthew","family":"Hogben","sequence":"additional","affiliation":[{"name":"Chief, Social & Behavioral Research & Evaluation Branch, Division of STD Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maggie","family":"Chartier","sequence":"additional","affiliation":[{"name":"National Public Health Clinical Psychologist, Department of Veteran Affairs, San Francisco VA Medical Center, San Francisco, CA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gail","family":"Bolan","sequence":"additional","affiliation":[{"name":"Division Director, Division of STD Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Heidi","family":"Bauer","sequence":"additional","affiliation":[{"name":"Chief, STD Control Branch, California Department of Public Health, Richmond, CA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2013,11,29]]},"reference":[{"key":"2025090510303111000_40.3.200.1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jadohealth.2010.02.002"},{"key":"2025090510303111000_40.3.200.2","unstructured":"Centers for Disease Control and Prevention. 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STD Health Equity\u2009\u2013\u2009Rates by Age. http:\/\/www.cdc.gov\/std\/health-disparities\/age.htm [accessed 6 October 2013]."},{"key":"2025090510303111000_40.3.200.4","doi-asserted-by":"crossref","first-page":"208","DOI":"10.1177\/003335491012500209","article-title":"Condoms for dual protection: patterns of use with highly effective contraceptive methods","volume":"125","author":"Pazol","year":"2010","journal-title":"Public Health Rep"},{"key":"2025090510303111000_40.3.200.5","doi-asserted-by":"crossref","first-page":"626","DOI":"10.1016\/j.cct.2007.01.012","article-title":"Design of a stage-matched intervention trial to increase dual method contraceptive use (Project PROTECT)","volume":"28","author":"Peipert","year":"2007","journal-title":"Contemp Clin Trials"},{"key":"2025090510303111000_40.3.200.6","first-page":"1","article-title":"Youth risk behavior surveillance \u2013 United States, 2009","volume":"59","author":"Eaton","year":"2010","journal-title":"MMWR Surveill 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