Correlational finding on Happiness and Current age (in years)Subject code: A04ab

 Study Cornelisse-Vermaat (2005): study NL 2001 Title Household Production, Health and Happiness. A Comparison of the Native Dutch and Non-Western Immigrants in the Netherlands. Source PhD Thesis, University of Wageningen, 2005, Netherlands Public 18+ aged, general public, The Netherlands, 2001 Sample Probability stratified sample Non-Response 76,6% Respondents N = 2551

 Correlate Author's label Age Page in Source 147 Our classification Current age (in years), code A04ab Operationalization ```a:Age 18-34 b:Age 35-44 c:Age 45-64 d:Age=>65 ``` Observed distribution a: 43,4%; b: 25,8%; c: 22,8%; d: 8,0%.

 Observed Relation with Happiness HappinessMeasure Statistics Elaboration/Remarks C-BW-c-sq-l-11-a Beta=+.01 ns ```Age 35-44 (vs. Age 18-34) ``` C-BW-c-sq-l-11-a Beta=-.03 ns ```Age 45-64 (vs. Age 18-34) ``` C-BW-c-sq-l-11-a Beta=-.03 ns ```Age =>65 (vs. Age 18-34) Beta's controlled for -gender -ethnic groups -education -smoking -overweight -self-reported health -marital status -having children -working hours -household income -total outsourcing expenditures -total household and caretime -homeownership -living in urbanm area -unemployment -religious affiliation ```

Appendix 1: Happiness measures used
 Code Full Text C-BW-c-sq-l-11-a Selfreport on single question:Here is a picture of a ladder. Suppose we say that the top of the ladder represents the best possible life for you and the bottom represents the worst possible life for you. Where on the ladder do you feel you personally stand at the present time? [ 10 ] best possible life[ 9 ] [ 8 ][ 7 ][ 6 ][ 5 ][ 4 ][ 3 ][ 2 ][ 1 ][ 0 ] worst possible life Preceded by 1) open questions about what the respondent imagines as the best possible life and the worst possible life. 2) ratings on the ladder of one's life five years ago and where on the ladder one expects to stand five years from now.Name: Cantril's self anchoring ladder rating of life (original)

Appendix 2: Statistics used
 Symbol Explanation Beta STANDARDIZED REGRESSION COEFFICIENT by LEAST SQUARES (OLS)Type: test statistic.Measurement level: Correlates: all metric, Happiness: metric.Range: [-1 ; +1]Meaning: beta > 0 « a higher correlate level corresponds to a higher happiness rating on average.beta < 0 « a higher correlate level corresponds to a higher happiness rating on average.beta = 0 « no correlation.beta = + 1 or -1 « perfect correlation.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl