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EPSTEIN, L.H., and J.N. ROEMMICH. Reducing sedentary behavior: role in modifying physical activity. Exerc. Sport Sci. Rev., Vol. 29, No. 3, pp 103–108, 2001. Decreased physical activity is associated with the increased incidence of obesity. Behavioral economic research demonstrates that reducing sedentary behaviors in children increases physical activity. Understanding how people choose physical or sedentary activities can aid in developing public health initiatives that increase access to physical activity, while reducing access to sedentary behaviors.
Epstein et al. (Sun,) studied this question.