Centola, Damon; van de Rijt, Arnout - In: Social Science & Medicine 125 (2015) C, pp. 19-31
-oriented fitness competition, in which participation was greatest among a small core of active individuals. Our results show that the … active participants displayed indifference to the fitness and exercise profiles of others, disregarding information about … others’ fitness levels, exercise preferences, and workout experiences, instead selecting partners almost entirely on the …