“…Luttikhuis et al (2009) encouraged more research be conducted to identify the most effective strategies for treating childhood overweight or obesity. Systematic reviews of childhood overweight or obesity focused on a variety of single potentially important influencing factors including parental involvement (Pinquart, 2014;Yavuz, Van Ijzendoorn, Mesman, & Van der Veek, 2014), schoolbased studies (Gonzalez-Suarez, Worley, Grimmer-Somers, & Dones, 2009;Lavelle, Mackay, & Pell, 2012;Sobol-Goldberg, Rabinowitz, & Gross, 2013), and types of treatment (Ho et al, 2013;Perez-Morales, Bacardi-Gascon, & Jimenz-Cruz, 2012), among others. However, no meta-analysis was found which, in addition to examining weight loss, focused on intervention studies conducted in other countries in over a decade (2002( -September 2015, the nurse's role within interdisciplinary teams conducting this research, or the cost of the interventions.…”