Seattle Longitudinal Study

Acronym:	SLS	Start Year:	1956
		End Year:	1998

SUMMARY

Study Summary:	SLS
Additional Comments:	*Members of a health maintenance organization or a family member of these individuals. New panels were added in 7-year interval (7 different panels in 1998). Total sample is now over 5,000 for the longitudinal study and about 1,800 for the family studies.

STUDY DESIGN

Country:	USA	Physiological Measures	Psychological Measures
Sample Size:	500*	Functional Health	Cognitive Abilities
Age Group:	21-70	Lifestyle: Physical Activity	Social and Demographic Measures
Gender:	Both	Lifestyle: Nutrition	Health Services Utilization
# Cohorts:		Lifestyle: Other
Total Waves:	7	Minorities
Link w/ Data:	Health Maintenance Organization (HMO)

CONTACTS

Contact Information:	Dr. K. Warner Schaie, Principal Investigator E-mail 1: kws@psu.edu
Web Page(s):	Web 1: http://geron.psu.edu/sls/index.html