Correlational finding on Happiness and Household income
Subject code: I01ab03

StudyGao & Meng (2015): study CN 1998
TitleThe Impact of Government Size on Chinese Elders' Life Satisfaction: 1998-2008
SourceFilomena Maggino, Ed.: "Social Indicators Research Series 57, A New Research Agenda for Impovements in Quality of Life", Springer International Publishing AG Switzerland, Swiss, 2015, 135 - 161
DOIDOI: 10.1007/978-3-319-15904-1_7
Public65+ aged, China, followed 10 years, 1998-2008
SampleProbability multistage stratified area sample
Non-Responsenot reported
Respondents N =50674

Author's labelHousehold income
Page in Source 139
Our classificationHousehold income , code I01ab03
0: below median in province
1: above median in province
Observed distribution50/50

Observed Relation with Happiness
Individual happiness by Household income. 
1:Income above median      M = 2,83
0:Income below median      M = 2,61 
-difference                   +0,22

1998-2008; respondents are 65 or older.

Appendix 1: Happiness measures used
CodeFull Text
O-QOL-c-sq-v-4-bSelfreport on single question:

How do you rate your life at present?
1 bad or very bad
2 fair
3 good
4 very good

Appendix 2: Statistics used
Type: descriptive statistic only.
Measurement level: Correlate: dichotomous, Happiness: metric
Range: depending on the happiness rating scale of the author; range symmetric about zero.

Meaning: the difference of the mean happiness, as measured on the author's rating scale, between the two correlate levels.
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.