[Chronological evaluation of physical, psychological and social health of urban elderly dwellers over 6 years and assessment of causal inter-relationships].

Objectives: The purpose of this study is to make a chronological evaluation over 6 years of physical, psychological and social health of urban elderly dwellers.

Methods: A questionnaire survey was conducted with all urban elderly dwellers of 65 years old or more in A City in September, 2001. Answers were obtained from 13,195 people (response rate of 80.