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van Verseveld, M.D.A. (author), Fekkes, M. (author), Fukkink, R.G. (author), Oostdam, R.J. (author)
Although anti-bullying programs often include a component that focuses on strengthening teachers’ abilities in identifying and addressing bullying, it is not clear which bullying situations teachers find difficult to address and what type of support is needed. In the current qualitative study, we investigated what teachers considered difficult...
article 2021
document
van Verseveld, M.D.A. (author), Fekkes, M. (author), Fukkink, R.G. (author), Oostdam, R.J. (author)
This study investigates the effectiveness of the PRIMA antibullying program for elementary education using a cluster-randomized trial with two experimental conditions (with and without student lessons) and a control group. Students of 31 schools participated in the study (N = 3,135; Mage = 10 years). Multilevel regression analyses demonstrated...
article 2021
document
van Verseveld, M.D.A. (author), Fukkink, R.G. (author), Fekkes, M. (author), Oostdam, R.J. (author)
Even though teachers are key figures of a program's effectiveness, most intervention studies have not focused explicitly on the effects of antibullying programs at teacher level. We conducted a meta-analysis into the effects of school-based antibullying programs on determinants of teacher intervention, including teachers’ attitudes towards...
article 2019
document
Oostdam, N. (author), van Poppel, M.N.M. (author), Wouters, M.G.A.J. (author), Eekhoff, E.M.W. (author), Bekedam, D.J. (author), Kuchenbecker, W.K.H. (author), Quartero, H.W.P. (author), Heres, M.H.B. (author), van Mechelen, W. (author)
Objective To evaluate the effectiveness of an exercise programme for pregnant women who were overweight or obese and at risk for gestational diabetes mellitus (GDM). Design Randomised controlled trial. Setting Hospitals and midwifery practices in the Netherlands. Population Pregnant women who were overweight or obese and at risk for GDM between...
article 2012
document
Oostdam, N. (author), van Poppel, M.N.M. (author), Wouters, M.G.A.J. (author), van Mechelen, W. (author)
Background: The prevalence of gestational diabetes mellitus (GDM) is increasing worldwide. GDM is associated with increased risks for mother and child during pregnancy and in later life. The aim of this article is to systematically review literature on the effectiveness of interventions to prevent GDM. Methods: Controlled trials found in PubMed,...
article 2011
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