References
- Haavio-Mannila E, Kontula O. Sexual trends in the Baltic Sea area. Publications of the Population Research Institute. Series D41/2003. Helsinki: The Family Foundation of Finland; 2003.
- Bozon M, Kontula O. Sexual initiation and gender in Europe: A cross-cultural analysis of trends in the twentieth century. In Hubert M, Bajos N and Sandfort T, eds. Sexual behaviour and HIV/AIDS in Europe. London: UCL Press; 1998.
- Johnson A, Mercer C, Erens B, et al. Sexual behaviour in Britain: Partnerships, practices, and HIV risk behaviours. Lancet 2001;358:1835–42.
- Teitler J. Trends in youth sexual initiation and fertility in developed countries: 1960–1995. Annals AAPSS 2002; 580:134–52.
- Kontula O. Trends in teenage sexual behaviour, pregnancies, sexually transmitted infections and HIV-infections in Europe. In Bajos N, Guillaume A and Kontula O, eds. Volume 1. Reproductive health behaviour of young Europeans. Population studies. Strasbourg: Council of Europe; 2003; 42:77–137.
- Edgardh K, Lewin B, Nilsson BR. Sexual experience and behaviour as reported by 17-year old girls and boys in Sweden. Scand J Sexol 1999;2:41–60.
- Pedersen W, Samulsen SO, Wikström L. Sexual debut age: Poor resources, problem behaviour or romantic appeal? A population-based longitudinal study. J Sex Res 2003;40:333–45.
- Nielsen JL, Boelskifte J, Falk J, et al. Sexual activity and use of contraception in ninth grade pupils during the last 21 years. Ugeskr Laeger 2009;171:1159–63.
- Traen B, Samuelsen SO. Sweet sixteen and never been kissed? Experiences from a longitudinal Norwegian study. Electronic J Hum Sexuality 2007;10:1–9.
- Helmius G. In the beginning. In Lewin B, ed. Sex I Sverige. Om sexuallivet i Sverige 1996. [Sex in Sweden. About sexual life in Sweden 1996]Stockholm: Swedish National Institute of Public Health; 2000:149–65.
- Hensel D, Fortenberry D, Orr D. Variations in coital and noncoital sexual repertoire among adolescent women. J Adolesc Health 2008;42:170–6.
- Malacad BL, Hess GC. Oral sex: Behaviours and feelings of Canadian young women and implications for sex education. Eur J Contracept Reprod Health Care 2010; 15:177–85.
- Forsberg M. Ungdomar och sexualitet. En forskningsöversikt 2005 [Youths and sexuality. A research overview 2005]Stockholm: Swedish National Institute of Public Health, Edita; 2006.
- Holmberg L, Berg-Kelly K. Health, health comprising behaviour, sexuality and involvement in pregnancy among 18-year-old Swedish males: A cross-sectional survey. Acta Pediatr 2002;91:838–43.
- Holmberg L, Hellberg D. Teenagers' sexual behaviour in Sweden, Europe. J Reprod Contracept 2005;16:157–66.
- Fergusson DM, Lynskey MT. Alcohol misuse and adolescent sexual behaviours and risk-taking. Pediatrics 1996;98:91–6.
- Herlitz CA, Forsberg M. Sexual behavior and risk assessment in different age cohorts in the general population of Sweden (1989–2007). Scand J Public Health 2010;38:32–9.
- Larsson M, Tydén T, Hanson U, Häggström-Nordin E. Contraceptive use and associated factors among Swedish high school students. Eur J Contracept Reprod Health Care 2007;12:119–24.
- Häggström-Nordin E, Hanson U, Tydén T. Sex behavior among high school students in Sweden: Improvement in contraceptive use over time. J Adolesc Health 2002;30:288–95.
- Holmberg LI, Hellberg D. Health, health-comprising behavior, risk-taking behavior and sexuality in female and male high school students in vocational compared with theoretical programs in Sweden. Int J Adolesc Med Health 2007;19:459–72.
- Traen B, Stigum H, Magnus P. Rapport fra seksualvaneundersøkelsene i 1987, 1992, 1997 og 2002. [Report from the sexual habit survey in 1987,1992,1997 and 2002]Oslo: National Institute of Public Health. Division of epidemiology; 2002.
- Godeau E, Gabhainn S, Vignes C, et al. Contraceptive use by 15-year-old students at their last sexual intercourse. Results from 24 countries. Arch Pediatr Adolec Med 2008;162:66–73.
- Blum RW, Nelson-Mmari K. The health of young people in a global context. J Adolesc Health 2004;35:402–18.
- Swedish Institute for Infectious Disease Control. Assessed July 2010 from: http://www.smittskyddsinstitutet.se/statistik/klamydiainfektion/
- Forsberg M. Ungdomars sexuella hälsa – Internationella kunskapssammanställningar och svenska erfarenheter av förebyggande arbete [Sexual health in young people: International research summaries and Swedish experiences of preventive work]Stockholm: The National Board of Health and Welfare; 2007.
- Edgardh K. Adolescent sexual health in Sweden. Sex Transm Infect 2002;78:352–6.
- Swedish Society for Youth Centres (FSUM). Policy programme for Sweden's Youth CentresLund: Rahms; 2002. Accessed July 2010 from: http://www.fsum.org/eng/index.htm
- UMO. Youth Centre on the Internet. Accessed July 2010 from: http://www.umo.se/Om-Umo/Andra-sprak/About-UMO/
- Lewin B, Fugl-Meyer K, Helmius G, et al. Sex i Sverige. Om sexuallivet i Sverige 1996. [Sex in Sweden: About sexual life in Sweden 1996]Stockholm: Swedish National Institute of Public Health; 1998.
- Thornburgh D, Lin HS, eds. Youth, pornography and the internet. Washington, DC: National Academy Press; 2002.
- Sørensen DA, Knudsen VS. Young people, gender and pornography in the Nordic countries – Final report ANP 2006:749. Copenhagen, Denmark: Nordisk Ministerråd 2006.
- Häggström-Nordin E, Hansson U, Tydén T. Associations between pornography consumption and sexual practices among adolescents in Sweden. Int J STD & AIDS 2005;16:102–7.
- Häggström-Nordin E, Tydén T, Hanson U, et al. Experience of and attitudes towards pornography among a group of Swedish high school students. Eur J Contracept Reprod Health Care 2009;14:277–84.
- Weiner E, Johansson I, Helmius G, et al. Sexual and contraceptive experience among teenagers in Uppsala. J Med Sci 1984;89:171–7.
- Klanger B, Tydén, T, Ruusuvaara L. Sexual behaviour among adolescents in Uppsala, Sweden. J Adolesc Health 1993;14:468–74.
- Polit DF, Beck CT. Nursing research – Principles and methods, 7th edn. Philadelphia, USA: Lippincott Williams & Wilkins; 2007.
- Rothman KJ. Epidemiology – An introduction. New York: Oxford University Press; 2002.
- Rogala C, Tydén T. Does pornography influence young women's sexual behavior? Women's Health Issues 2003;13:39–43.
- Christianson M, Johansson E, Emmelin M, Westman G. “One-night-stands” – risky trips between lust and trust: Qualitative interviews with Chlamydia trachomatis-infected youth in north Sweden. Scand J Public Health 2003;31:44–50.
- The National Board of Health and Welfare. Abortions in Sweden 2009. Accessed June 2010 from: http://www. socialstyrelsen.se/publikationer2010/2010-5-12
- United Nations Educational, Scientific and Cultural Organization. International Technical Guidance on Sexuality Education. An evidence-informed approach for schools, teachers and health education2009. Accessed July 2010 from: http://data.unaids.org/pub/ExternalDocument/2009/20091210_international_gui dance_sexuality_education_vol_1_en.pdf