... Controlled Trials, University of Sunderland Library Discover, Science Direct, CINAHL, PubMed, PCYCLIT, Google Scholar, EMBASE, British Nursing Index (BNI) using the Patient, Intervention, Comparison and Outcome (P.I.C.O) tool to guide the search (Ely & Scott, 2007). The key word for the search included; Efficacy OR effectiveness AND life-style OR lifestyle OR diet OR nutrition OR food OR physical exercise OR ... of robustness in relation to internal validity (Penn, 2009). However, the loss to follow-up affected the statistical significance and limits it generalizability (Fisher & O'Dono...

• Word Count: 8354
• Approx Pages: 33
• Has Bibliography
• Grade Level: Undergraduate