Cost-effectiveness and cost-utility of a Web-based or print-delivered tailored intervention to promote physical activity among adults aged over fifty: an economic evaluation of the Active Plus intervention

Rianne Golsteijn, Denise A Peels, Silvia Evers, Catherine Bolman, Aart N Mudde, Hein de Vries, Lilian Lechner
International Journal of Behavioral Nutrition and Physical Activity 2014, 11:122 (28 September 2014)