“…This section presents our results regarding the models, scales, and theories adopted in the considered papers. These scales and General health Goldberg, 1999;Cialdini, 2001;Fogg and Fogg, 2003;Fogg, 2009;Oinas-Kukkonen and Harjumaa, 2009;Brynjarsdóttir et al, 2012;Deterding, 2012;Gardner et al, 2012;Orji et al, 2014Orji et al, , 2019aMatthews et al, 2016;Altmeyer et al, 2018;Hofstede and Milosevic, 2018;Martin and Kwaku, 2019;Mazeas et al, 2022;Oinas-Kukkonen et al, 2022 Physical activity Costa, 1987, 1989;Bandura, 2002;Andrew et al, 2007;Midden et al, 2008;O'Keefe, 2013;Orji, 2016;Orji et al, 2017bOrji et al, , 2019bModic et al, 2018;Mora et al, 2019;Alslaity and Tran, 2020a Healthy eating Fogg, 2002Fogg, , 2003Goldberg et al, 2006;Knowles et al, 2014;Martin and Kwaku, 2019;Klock et al, 2020;Feroz et al, 2021 Mental health Bassili, 1996;Booth and Grant, 2009;Barratt, theories are used for different purposes, including identifying individuals' differences and users modeling, systems design, and evaluation. Figure 7 depicts the most common theories and models used in the reviewed papers.…”