“…Younger age, gender, higher socio-economic status, better health status and self-rated health, better functional status and cognitive performance and extensive social relationships are some of the factors that may positively contribute to or confound and modify the associations of activity and subjective well-being (Beekman et al, 1998;Cummings, 2002;Diener, 1984;Everard, 1999;Heidrich, 1993;Heikkinen, Berg, & Avlund, 1995;Palsson & Skoog, 1997;Tijhuis, De Jong-Gierveld, Feskens, & Kromhout, 1999). The intensity of these associations has varied in different studies.…”