“…Four work-based trials were randomized at the level of the employee (Dekkers et al, 2011;Lemon et al, 2010;Linde et al, 2012;McEachen et al, 2011) the other three used non-randomized, quasi experimental designs or randomized by site rather than by individual (Goetzel et al, 2009(Goetzel et al, , 2010aKwak et al, 2010;Robbins et al, 2006). Four work-based studies were conducted in the United States (Goetzel et al, 2009(Goetzel et al, , 2010aLemon et al, 2010;Linde et al, 2012;Robbins et al, 2006) and three in Europe (Dekkers et al, 2011;Kwak et al, 2010;McEachen et al, 2011). Four work-based studies stated their goals were to prevent or reduce weight gain (Kwak et al, 2010;Lemon et al, 2010;Linde et al, 2012;Robbins et al, 2006) while the other studies' goals were to increase physical activity (McEachen et al, 2011), improve cardiovascular risk factors (Dekkers et al, 2011), and prevent obesity (Goetzel et al, 2009(Goetzel et al, , 2010a.…”