... indicators and global QOL. Given that the life expectancy of many countries continues to increase, amore comprehensive understanding of how we canenhance quality, as well as quantity of life would ... made substantial contributions toconception and design, acquisition of data, analysis andinterpretation of data, have been involved in drafting andrevising the manuscripts, and given final approval ... activity andpsychological well-being in advanced age: a meta-analysis of intervention studies. Psychol Aging 2005, 20(2):272-284.4. Rejeski WJ, Mihalko SL: Physical activity and quality of life in older...