Effect of the PREPARE intervention on sexual initiation and condom use among adolescents aged 12-14: a cluster randomised controlled trial in Dar es Salaam, Tanzania.

Journal: BMC public health

Publication Year: 2017

Authors & Co-authors:  Mmbaga Elia John EJ Kajula Lusajo L Aarø Leif Edvard LE Kilonzo Mrema M Wubs Annegreet Gera AG Eggers Sander Matthijs SM de Vries Hein H Kaaya Sylvia S

Social Cognition Variables and Victimization as Predictors of Sexual Debut Among Adolescents in South Africa and Tanzania: A Multi-group SEM Analysis.

Journal: AIDS and behavior

Publication Year: 2018

Authors & Co-authors:  Wubs Annegreet Gera AG Aarø Leif Edvard LE Kaaya Sylvia S Onya Hans H Mathews Catherine C

Internalizing problems, externalizing problems, and prosocial behavior - three dimensions of the strengths and difficulties questionnaire (SDQ): A study among South African adolescents.

Journal: Scandinavian journal of psychology

Publication Year: 2022

Authors & Co-authors:  Aarø Leif Edvard LE Davids Eugene L EL Mathews Catherine C Wubs Annegreet Gera AG Smith Otto R F ORF de Vries Petrus J PJ