Study Xu & Wu (1988): study CN 1986

Public:

55+ aged, Being China, 198?

Sample:

Respondents:

N = 175

Non Response:

Assessment:

Questionnaire: paper
Self completed and administered in personal interviews

Correlate

Authors's label

Average income of family members

Our Classification

Operationalization

RMB per month
1  <40
2  40-60
3  >60

Observed Relation with Happiness