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Related Experiment Video

Updated: Jun 16, 2026

Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans

Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans

Published on: May 18, 2022

Predicting happiness among centenarians.

Alex J Bishop¹, Peter Martin, Maurice MacDonald

¹Human Development and Family Science Department, Oklahoma State University, Stillwater, Okla 74074, USA. alex.bishop @ okstate.edu

|January 30, 2010

Summary

This summary is machine-generated.

Past life satisfaction influences centenarian happiness by shaping perceptions of health and economic security. This congruence directly predicts current happiness in extreme old age.

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Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence

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Published on: May 22, 2013

Area of Science:

Gerontology
Psychology
Sociology

Background:

Limited research exists on happiness in extreme old age.
Happiness is often linked to comparing current life to past achievements.

Purpose of the Study:

Investigate the link between past life satisfaction and current happiness in centenarians.
Examine how perceptions of health, social provisions, and economics mediate this relationship.

Main Methods:

Structural equation modeling analyzed data from 158 centenarians.
Life Satisfaction Index items assessed congruence and happiness.
Pathways between congruence, economic security, health, social provisions, and happiness were evaluated.

Main Results:

Congruence was a significant predictor of happiness.
Congruence influenced perceived economic security and subjective health.
Economic security strongly impacted subjective health status.

Conclusions:

Past life satisfaction shapes centenarians' views on health and economic security.
Past satisfaction with life directly correlates with present happiness.
Perception of resources is key to quality of life in extreme longevity.