“…As wellbeing variables were in many cases measured on a subjective scale (e.g. depression, anxiety, quality of life, life satisfaction) (Ghanbari et al, 2015, Kam and Siu, 2010, Kotozaki, 2014, van den Berg et al, 2010, Waliczek et al, 2005, Wood et al, 2016), they were more likely to respond immediately than objective health outcomes (e.g. BMI) (Park et al, 2009, van den Berg et al, 2010, Wood et al, 2016, Zick et al, 2013).…”