{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T19:40:50Z","timestamp":1768074050782,"version":"3.49.0"},"reference-count":29,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2016,5,31]],"date-time":"2016-05-31T00:00:00Z","timestamp":1464652800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000265","name":"Medical Research Council","doi-asserted-by":"publisher","award":["G0701757"],"award-info":[{"award-number":["G0701757"]}],"id":[{"id":"10.13039\/501100000265","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004440","name":"Wellcome Trust","doi-asserted-by":"publisher","award":["084840"],"award-info":[{"award-number":["084840"]}],"id":[{"id":"10.13039\/100004440","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2016,9]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To examine the changes in the prevalence of, and the factors associated with, the use of emergency contraception (<jats:styled-content style=\"fixed-case\">EC<\/jats:styled-content>) in Britain between 2000 and 2010, spanning the period of deregulation and increase in pharmacy supply.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Cross\u2010sectional probability sample surveys.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting and population<\/jats:title><jats:p>British general population.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data were analysed from the second and third British National Surveys of Sexual Attitudes and Lifestyles (Natsal), undertaken in 1999\u20132001 and 2010\u201312. Univariate and logistic regression analyses were used to measure change in <jats:styled-content style=\"fixed-case\">EC<\/jats:styled-content> use amongst sexually active women aged 16\u201344\u00a0years not intending pregnancy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p>Prevalence of <jats:styled-content style=\"fixed-case\">EC<\/jats:styled-content> use and factors associated with use.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of the 5430 women surveyed in 1999\u20132001 and the 4825 women surveyed in 2010\u201312, 2.3 and 3.6%, respectively, reported using <jats:styled-content style=\"fixed-case\">EC<\/jats:styled-content> in the year prior to interview (<jats:italic>P\u00a0<\/jats:italic>=\u00a00.0019 for change over time). The prevalence of <jats:styled-content style=\"fixed-case\">EC<\/jats:styled-content> use increased amongst single women and those with higher educational attainment (adjusted odds ratio, <jats:styled-content style=\"fixed-case\">aOR<\/jats:styled-content>\u00a01.51; 95% confidence interval, 95%\u00a0<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 1.04\u20132.20; <jats:italic>P\u00a0<\/jats:italic>=\u00a00.0308). Increases in <jats:styled-content style=\"fixed-case\">EC<\/jats:styled-content> use were generally greater among women without behavioural risk factors, such as those with no history of abortion within 5\u00a0years (<jats:styled-content style=\"fixed-case\">aOR<\/jats:styled-content>\u00a01.57; 95%\u00a0<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 1.17\u20132.12; <jats:italic>P\u00a0<\/jats:italic>=\u00a00.0029), or those whose first heterosexual intercourse occurred after the age of 16\u00a0years (<jats:styled-content style=\"fixed-case\">aOR<\/jats:styled-content>\u00a01.68; 95%\u00a0<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 1.21\u20132.35; <jats:italic>P\u00a0<\/jats:italic>=\u00a00.0021). The increase in <jats:styled-content style=\"fixed-case\">EC<\/jats:styled-content> use was also more marked among women usually accessing contraception from retail sources than among those doing so from healthcare sources, which may reflect a use of condoms amongst <jats:styled-content style=\"fixed-case\">EC<\/jats:styled-content> users.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The increase in <jats:styled-content style=\"fixed-case\">EC<\/jats:styled-content> use among women in Britain in the first decade of the 21st century was associated with some, but not all, risk factors for unplanned pregnancy. Advice and provision may need to be targeted at those at highest risk of unplanned pregnancy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Tweetable abstract<\/jats:title><jats:p>Despite pharmacy access, only a small rise in emergency contraception use has been seen in Britain over 10\u00a0years.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.14131","type":"journal-article","created":{"date-parts":[[2016,6,1]],"date-time":"2016-06-01T01:56:50Z","timestamp":1464746210000},"page":"1600-1607","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":24,"title":["Trends in the use of emergency contraception in Britain: evidence from the second and third National Surveys of Sexual Attitudes and Lifestyles"],"prefix":"10.1111","volume":"123","author":[{"given":"KI","family":"Black","sequence":"first","affiliation":[{"name":"University of Sydney Sydney NSW Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R","family":"Geary","sequence":"additional","affiliation":[{"name":"London School of Hygiene and Tropical Medicine London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R","family":"French","sequence":"additional","affiliation":[{"name":"London School of Hygiene and Tropical Medicine London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N","family":"Leefe","sequence":"additional","affiliation":[{"name":"University College London London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"CH","family":"Mercer","sequence":"additional","affiliation":[{"name":"University College London London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A","family":"Glasier","sequence":"additional","affiliation":[{"name":"London School of Hygiene and Tropical Medicine London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"W","family":"Macdowall","sequence":"additional","affiliation":[{"name":"London School of Hygiene and Tropical Medicine London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L","family":"Gibson","sequence":"additional","affiliation":[{"name":"London School of Hygiene and Tropical Medicine London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J","family":"Datta","sequence":"additional","affiliation":[{"name":"London School of Hygiene and Tropical Medicine London UK"},{"name":"University of Edinburgh Edinburgh UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M","family":"Palmer","sequence":"additional","affiliation":[{"name":"London School of Hygiene and Tropical Medicine London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K","family":"Wellings","sequence":"additional","affiliation":[{"name":"London School of Hygiene and Tropical Medicine London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,5,31]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/des140"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1783\/147118910790290911"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1053\/beog.2002.0269"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.contraception.2012.02.018"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2010.02652.x"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(98)05145-9"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD001324.pub4"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(10)60101-8"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1783\/147118903101197223"},{"key":"e_1_2_11_11_1","unstructured":"British National Formulary (BNF).Joint Formulary Committee British National Formulary.2013 London:BMJ Group RCPCH Publications Ltd and the Royal Pharmaceutical Society of Great Britain."},{"key":"e_1_2_11_12_1","unstructured":"BBC.Five\u2010day emergency pill available across UK without prescription. newsbeat 22nd May 2015; 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