Determinants of "aging"; findings from a longitudinal study.
D000368:Aged; D000375:Aging; D001290:Attitude; D004812:Epidemiologic Methods; D005163:Factor Analysis, Statistical; D005860:Germany, West; D006801:Humans; D007398:Interpersonal Relations; D010549:Personal Satisfaction; D011581:Psychological Tests; D012917:Social Adjustment; D012919:Social Behavior; D012959:Socioeconomic Factors