Study Ho et al. (1995): study HK 1992

Public

70+aged, Hong Kong, 1991-1992

Survey name

Unnamed study

Sample

Respondents

N = 1557

Non Response

Assessment

Interview: face-to-face

Correlate

Authors's Label

Difficulty with sleeping

Our Classification

Operationalization

Self report on sleeping pattern. Text is not reported.
1: difficulty with sleeping
0: not difficulty with sleeping

Observed Relation with Happiness