Senior Citizens Center participation and other correlates of life satisfaction.
D000368:Aged; D001294:Attitude to Health; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009938:Organizations; D011788:Quality of Life; D012657:Self-Help Groups; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires