Prevalence, risk factors and outcome

............................................................................................. 7 SVENSK SAMMANFATTNING ............................................................. 9 PAPERS INCLUDED IN THE THESIS ............................................... 11 ACKNOWLEDGEMENTS .................................................................... 13 ABBREVIATIONS ................................................................................. 17 INTRODUCTION ................................................................................ 18 OVERVIEW OF THE RESEARCH FIELD ........................................... 20 Concepts .................................................................................................20 Definitions .........................................................................................21 Definitions used in this thesis ............................................................22 Male adolescent sexual offending .......................................................22 Theory and etiology ................................................................................24 Female adolescent sexual offending ....................................................27 Prevalence and incidence ........................................................................28 Females ..............................................................................................28 Reports to authorities .........................................................................29 Forensic samples and/or criminal convictions ....................................29 Population based surveys of victim reports .........................................30 Population based surveys of self-reported sexual coercion ..................30