### Correlational finding on Happiness and Later physical healthSubject code: H14aa03

 Study Palmore (1981): study US 1968 Title Social Patterns in Normal Aging: Findings From the Duke Longitudinal Study. Source Duke University Press, 1981, Durham, USA Public 46+ aged whites, North Carolina, USA, followed from 1968 to 1976. Sample Probability stratified sample Non-Response Respondents N = 375

 Correlate Author's label later performance status (Physical function) Page in Source 106 Our classification Later physical health, code H14aa03 Operationalization ```Rating by physician based on his examination, the medical history and the results of laboratory tests. The ratings had a theoretical range of 1 for "moribund": fatal processes progressing rapidly" to 10 for "normal": no complaints; no evidence of disease. Assessed at T2. ```

 Observed Relation with Happiness HappinessMeasure Statistics Elaboration/Remarks C-BW-c-sq-l-10-ca r=ns ```Men. T2 performance status by T1 life satisfaction. ``` C-BW-c-sq-l-10-ca r=+.18 p < .05 ```Women. T2 performance status by T1 life satisfaction. ```

Appendix 1: Happiness measures used
 Code Full Text C-BW-c-sq-l-10-ca Selfreport on single question:Here is a picture of a ladder. Suppose we say that the top of the ladder (9) represents the best possible life for you and the bottom (0) represents the worst possible life for you. Where on the ladder do you feel personally stand at the present time?[ 9 ] best possible life for you[ 8 ][ 7 ][ 6 ][ 5 ][ 4 ][ 3 ][ 2 ][ 1 ][ 0 ] worst possible life for youName: Cantril's self anchoring ladder rating of life (adapted version)

Appendix 2: Statistics used
 Symbol Explanation r PRODUCT-MOMENT CORRELATION COEFFICIENT (Also "Pearson's correlation coefficient' or simply 'correlation coefficient')Type: test statistic.Measurement level: Correlate: metric, Happiness: metricRange: [-1; +1]Meaning:r = 0 « no correlation ,r = 1 « perfect correlation, where high correlate values correspond with high happiness values, andr = -1 « perfect correlation, where high correlate values correspond with low happiness values.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
http://worlddatabaseofhappiness.eur.nl