Classroom- completed questionnaire Knowledge of STDs and attitudes to condom Classroom- Knowledge, attitudes 14-17 years completed and behaviour questionnaire relevant to AIDS prevention Eriksson et al. [41]* Not specified, 1994 Sweden Classroom- Knowledge on HIV/ completed AIDS and sources of questionnaire information 15-18 years 18-19 years 16-19 years 16-18 years 14-16 years 13-16 years Mean age 15.6 years 14-17 years 146 year 9 pupils 432 year 9 and 11 pupils 50 school pupils 102 school pupils Tyden et al. [38] Uppsala, Sweden Lunin et al. [39] Andersson- Ellström et al. [40] St. Petersburg, Russia Karlstad, Sweden Garside et al. [42]** Devon, England Goodwin et al. St. [43]1 Petersburg, Russia; Goodwin et al. St. [43]2 Petersburg, Russia; Tblisi, Georgia; Kiev, Ukraine Macek et al. [44] Nova Gradiska/ Zagreb, Croatia Woodhall et al. Tampere, [45]*** Finland Gottvall et al. [46] Not specific, Sweden 1988 1993 1989- 1990 1999- 2000 2000 2005 2008 Not Face-face available interview in school and classroom- completed questionnaire Not Classroom- available completed questionnaire Questionnaire completed at clinic Classroom- completed questionnaire Face-face interview in school Home- completed questionnaire Classroom- completed questionnaire Relationship between knowledge about STD, sexual behaviour, contraceptive use, STD protection and social class Knowledge and attitudes towards STDs, their detection and treatment Knowledge on HIV/ AIDS, sexual behaviour Knowledge on HIV/ AIDS, sexual behaviour Knowledge on HIV/ AIDS, attitudes towards integration of HIV-positive pupils into regular schools Knowledge of and attitudes towards STDs, esp. HPV Knowledge of and attitudes towards HPV vaccination and condom use Samkange-Zeeb et al. BMC Public Health 2011, 11:727 http://www.biomedcentral.com/1471-2458/11/727 Table 2 Characteristics of the 15 studies on knowledge on sexually transmitted diseases among school-attending adolescents in Europe Reference Fogarty [36] Study region, country Galway, Ireland Year of Survey study instrument conduct Not Classroom- available completed questionnaire Andersson- Ellström et al. [37] Not specified, 1986 Sweden and 1988 Classroom- completed questionnaire Knowledge of and attitudes towards STDs Reported outcome (s) measured Age of No. of participants participants Gender Recruitment of pupils Knowledge about AIDS 2614 leaving Male/ certificate female pupils 1986: 350 1988: 603 upper secondary school pupils 209 year 1 of upper secondary school pupils 370 year 10 pupils Male/ female 88 year 1 of Female Not clear how upper many schools secondary participated school pupils All 50 Galway second-level schools Not clear how many schools participated 5 of 6 upper secondary schools 14 randomly selected schools 1 school 1 school Not clear how many schools participated Not clear how many schools participated Male/ female Male/ female Male/ female Male/ female Male/ female Male/ female Page 5 of 12 Response rate Not available 100% 98% 94% 58% 100% Not reported Not clear Not clear Not available 108 year 7 Male/ and 8 pupils female 2 schools Not reported 14-15 years 397 year 9 pupils Male/ female 15-16 years 608 year 1 of upper secondary school pupils Male/ female All households 21.5% in Tampere with adolescents born in 1990 and in year 9 contacted 7 schools 86%