New York for The relative weight between pros and cons is referred to as decisional balance. n The TTM and preventive behaviour Several interventions aimed at increasing exercise behaviour in middle-aged samples have been based upon the TTM. For example, Cox et al. decisional balance where the costs of behaviour are weighed up against the benefits of that behaviour. conducted a longitudinal trial of an exercise behaviour change programme among sedentary Australian women aged The intervention was either exercise centre or home-based and promoted either moderate’ or intense’ exercise levels. The study assessed participants’ stage of change’ regarding exercising and also explored the role of self-efficacy and decisional balance in relation to changes in exercise behaviour observed over time. Eighteen months following the intervention the women were reassessed. New York 2016.
