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

Parental education as an indicator of socioeconomic status: improving quality of data by requiring consistency across measurement occasions.

Journal: Scandinavian journal of public health

Publication Year: 2009

Authors & Co-authors:  Aarø Leif Edvard LE Flisher Alan J AJ Kaaya Sylvia S Onya Hans H Namisi Francis S FS Wubs Annegreet A

The theory of planned behaviour as a framework for predicting sexual risk behaviour in sub-Saharan African youth: A critical review.

Journal: Journal of child and adolescent mental health

Publication Year: 2015

Authors & Co-authors:  Protogerou Cleo C Flisher Alan J AJ Aarø Leif Edvard LE Mathews Catherine C

Promoting sexual and reproductive health among adolescents in southern and eastern Africa (PREPARE): project design and conceptual framework.

Journal: BMC public health

Publication Year: 2014

Authors & Co-authors:  Aarø Leif Edvard LE Mathews Catherine C Kaaya Sylvia S Katahoire Anne Ruhweza AR Onya Hans H Abraham Charles C Klepp Knut-Inge KI Wubs Annegreet A Eggers Sander Matthijs SM de Vries Hein H

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

Reaching the hard to reach: longitudinal investigation of adolescents' attendance at an after-school sexual and reproductive health programme in Western Cape, South Africa.

Journal: BMC public health

Publication Year: 2016

Authors & Co-authors:  Mathews Catherine C Eggers Sander Matthijs SM de Vries Petrus J PJ Mason-Jones Amanda J AJ Townsend Loraine L Aarø Leif Edvard LE De Vries Hein H

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