{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T21:30:52Z","timestamp":1762032652038},"reference-count":24,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2007,6,1]],"date-time":"2007-06-01T00:00:00Z","timestamp":1180656000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Contraception"],"published-print":{"date-parts":[[2007,6]]},"DOI":"10.1016\/j.contraception.2007.02.002","type":"journal-article","created":{"date-parts":[[2007,4,6]],"date-time":"2007-04-06T11:34:53Z","timestamp":1175859293000},"page":"461-467","source":"Crossref","is-referenced-by-count":63,"title":["Injectable progestin contraceptive use and risk of HIV infection in a South African family planning cohort"],"prefix":"10.1016","volume":"75","author":[{"given":"Immo","family":"Kleinschmidt","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Helen","family":"Rees","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sinead","family":"Delany","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dawn","family":"Smith","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natalya","family":"Dinat","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Busi","family":"Nkala","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James A.","family":"McIntyre","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.contraception.2007.02.002_bib1","series-title":"National Department of Health","article-title":"South Africa demographic and health survey 1998","year":"2001"},{"key":"10.1016\/j.contraception.2007.02.002_bib2","doi-asserted-by":"crossref","first-page":"4","DOI":"10.1186\/1472-6963-1-4","article-title":"Counting the costs: comparing depot medroxyprogesterone acetate and norethisterone enanthate utilization patterns in South Africa","volume":"1","author":"Smit","year":"2001","journal-title":"BMC Health Serv Rese"},{"key":"10.1016\/j.contraception.2007.02.002_bib3","author":"National Department of Health, South Africa"},{"key":"10.1016\/j.contraception.2007.02.002_bib4","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1097\/QAD.0b013e3280117c8b","article-title":"Hormonal contraception and the risk of HIV acquisition","volume":"21","author":"Morrison","year":"2007","journal-title":"AIDS"},{"key":"10.1016\/j.contraception.2007.02.002_bib5","doi-asserted-by":"crossref","first-page":"545","DOI":"10.1097\/00002030-199806000-00002","article-title":"Systematic review of hormonal contraception and risk of HIV transmission: when to resist meta-analysis","volume":"12","author":"Stephenson","year":"1998","journal-title":"AIDS"},{"key":"10.1016\/j.contraception.2007.02.002_bib6","doi-asserted-by":"crossref","first-page":"51","DOI":"10.1097\/00126334-199905010-00007","article-title":"Risk of HIV infection in oral contraceptive pill users: a meta-analysis","volume":"2","author":"Wang","year":"1999","journal-title":"J Acquir Immune Defic Syndr"},{"key":"10.1016\/j.contraception.2007.02.002_bib7","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1097\/00002030-200301240-00014","article-title":"Hormonal contraceptive use and HIV-1 infection in a population-based cohort in Rakai, Uganda","volume":"17","author":"Kiddugavu","year":"2003","journal-title":"AIDS"},{"key":"10.1016\/j.contraception.2007.02.002_bib8","doi-asserted-by":"crossref","first-page":"1053","DOI":"10.1086\/515654","article-title":"Hormonal contraception, sexually transmitted diseases, and risk of heterosexual transmission of human immunodeficiency virus type 1","volume":"178","author":"Martin","year":"1998","journal-title":"J Infect Dis"},{"key":"10.1016\/j.contraception.2007.02.002_bib9","doi-asserted-by":"crossref","first-page":"695","DOI":"10.1097\/00002030-200403050-00017","article-title":"Hormonal contraception and risk of HIV-1 acquisition: results of a 10-year prospective study","volume":"18","author":"Lavreys","year":"2004","journal-title":"AIDS"},{"key":"10.1016\/j.contraception.2007.02.002_bib10","doi-asserted-by":"crossref","first-page":"499","DOI":"10.2307\/2531021","article-title":"Sample size formula for the proportional hazards regression model","volume":"39","author":"Schoenfeld","year":"1983","journal-title":"Biometrics"},{"key":"10.1016\/j.contraception.2007.02.002_bib11","unstructured":"Epi-Info 6.04. Centers for Disease Control, Atlanta, GA, USA."},{"key":"10.1016\/j.contraception.2007.02.002_bib12","series-title":"Stata Statistical Software: Release 8.0","author":"StataCorp","year":"2003"},{"key":"10.1016\/j.contraception.2007.02.002_bib13","doi-asserted-by":"crossref","first-page":"515","DOI":"10.1093\/biomet\/81.3.515","article-title":"Proportional hazards tests and diagnostics based on weighted residuals","volume":"81","author":"Grambsch","year":"1994","journal-title":"Biometrika"},{"key":"10.1016\/j.contraception.2007.02.002_bib14","series-title":"Clinical trials","first-page":"182","author":"Pocock","year":"1983"},{"key":"10.1016\/j.contraception.2007.02.002_bib15","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1016\/0020-7292(96)02744-0","article-title":"Bacterial vaginosis and associated infections in pregnancy","volume":"55","author":"Govender","year":"1996","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.contraception.2007.02.002_bib16","first-page":"22","article-title":"Unrecognized sexually transmitted infections in rural South African women: a hidden epidemic","volume":"77","author":"Wilkinson","year":"1999","journal-title":"Bull World Health Organ"},{"key":"10.1016\/j.contraception.2007.02.002_bib17","first-page":"1","article-title":"Screening tests to detect Chlamydia trachomatis and Neisseria gonorrhoeae infections","volume":"51","author":"Centers for Disease Control and Prevention","year":"2002","journal-title":"MMWR Morb Mortal Wkly Rep"},{"key":"10.1016\/j.contraception.2007.02.002_bib18","doi-asserted-by":"crossref","first-page":"75","DOI":"10.1097\/00002030-199801000-00009","article-title":"The incidence of HIV infection among women using family planning methods in Dar es Salaam, Tanzania","volume":"12","author":"Kapiga","year":"1998","journal-title":"AIDS"},{"key":"10.1016\/j.contraception.2007.02.002_bib19","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1097\/00002030-199301000-00015","article-title":"Non-ulcerative sexually transmitted diseases as risk factors for HIV-1 transmission in women: results from a cohort study","volume":"7","author":"Laga","year":"1993","journal-title":"AIDS"},{"key":"10.1016\/j.contraception.2007.02.002_bib20","doi-asserted-by":"crossref","first-page":"1863","DOI":"10.1086\/315127","article-title":"Vaginal lactobacilli, microbial flora, and risk of human immunodeficiency virus type 1 and sexually transmitted disease acquisition","volume":"180","author":"Martin","year":"1999","journal-title":"J Infect Dis"},{"key":"10.1016\/j.contraception.2007.02.002_bib21","doi-asserted-by":"crossref","first-page":"1699","DOI":"10.1097\/00002030-199813000-00019","article-title":"Bacterial vaginosis and disturbances of vaginal flora: association with increased acquisition of HIV","volume":"12","author":"Taha","year":"1998","journal-title":"AIDS"},{"key":"10.1016\/j.contraception.2007.02.002_bib22","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1136\/sti.75.1.3","article-title":"From epidemiological synergy to public health policy and practice: the contribution of other sexually transmitted diseases to sexual transmission of HIV","volume":"75","author":"Fleming","year":"1999","journal-title":"Sex Transm Infect"},{"key":"10.1016\/j.contraception.2007.02.002_bib23","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1086\/338231","article-title":"Risk of human immunodeficiency virus infection in herpes simplex virus type 2-seropositive persons: a meta-analysis","volume":"185","author":"Wald","year":"2002","journal-title":"J Infect Dis"},{"key":"10.1016\/j.contraception.2007.02.002_bib24","doi-asserted-by":"crossref","first-page":"554","DOI":"10.1016\/j.tips.2004.09.005","article-title":"Not all progestins are the same: implications for usage","volume":"25","author":"Hapgood","year":"2004","journal-title":"Trends Pharmacol Sci"}],"container-title":["Contraception"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S001078240700090X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S001078240700090X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,1,8]],"date-time":"2019-01-08T06:27:31Z","timestamp":1546928851000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S001078240700090X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2007,6]]},"references-count":24,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2007,6]]}},"alternative-id":["S001078240700090X"],"URL":"https:\/\/doi.org\/10.1016\/j.contraception.2007.02.002","relation":{},"ISSN":["0010-7824"],"issn-type":[{"value":"0010-7824","type":"print"}],"subject":[],"published":{"date-parts":[[2007,6]]}}}