{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T20:36:46Z","timestamp":1773866206978,"version":"3.50.1"},"reference-count":28,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2012,3,28]],"date-time":"2012-03-28T00:00:00Z","timestamp":1332892800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Scandinavian Caring Sciences"],"published-print":{"date-parts":[[2013,3]]},"abstract":"<jats:p>\n<jats:italic>Scand J Caring Sci; 2013; 27; 20\u201326<\/jats:italic>\n<\/jats:p><jats:p>\n<jats:bold>Early onset of sexual intercourse is an indicator for hazardous lifestyle and problematic life situation<\/jats:bold>\n<\/jats:p><jats:p><jats:bold>Background:\u2002<\/jats:bold> In public health efforts, knowledge about risk\u2010groups is important for creating societal conditions to ensure good health on equal terms.<\/jats:p><jats:p><jats:bold>Aim:\u2002<\/jats:bold> To investigate differences in lifestyle and perceived health among 15\u2010year\u2010old teenagers with experience of sexual intercourse (self\u2010defined) and same\u2010aged teenagers without experience of sexual intercourse.<\/jats:p><jats:p><jats:bold>Methods:\u2002<\/jats:bold> A two\u2010cluster questionnaire study among 15\u2010year\u2010old Swedish students (n\u2003=\u20032170) in 2009\/10. Chi\u2010squared test was used to identify differences between three groups: teenagers who had not had sexual intercourse; teenagers who had had sexual intercourse at age of 14 or younger; and teenagers who had had intercourse at an age of 15.<\/jats:p><jats:p><jats:bold>Results:\u2002<\/jats:bold> Thirty\u2010two per cent (n\u2003=\u2003334) of girls and 31% (n\u2003=\u2003324) of boys had had sexual intercourse. Teenagers with experience of sexual intercourse at 15\u2003years or younger used more tobacco, alcohol and illicit drugs than same\u2010aged teenagers without intercourse experience did. Furthermore, teenagers with experience of intercourse, especially those with a debut at 14\u2003year or younger, had less positive school experiences, more involvement in injuries and physical violence, were less (girls) and more (boys) physically active, and perceived a poorer health than teenagers without intercourse experience.<\/jats:p><jats:p><jats:bold>Conclusion:\u2002<\/jats:bold> Sexual intercourse at the age of 15 or younger is an indicator for a hazardous lifestyle and problematic life situation.<\/jats:p>","DOI":"10.1111\/j.1471-6712.2012.00989.x","type":"journal-article","created":{"date-parts":[[2012,3,31]],"date-time":"2012-03-31T13:00:48Z","timestamp":1333198848000},"page":"20-26","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Early onset of sexual intercourse is an indicator for hazardous lifestyle and problematic life situation"],"prefix":"10.1111","volume":"27","author":[{"given":"Marlene","family":"Makenzius","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Margareta","family":"Larsson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2012,3,28]]},"reference":[{"key":"e_1_2_8_2_2","volume-title":"United Nations General Assembly Special Session On HIV\/AIDS:UNGASS. 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