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

Poor vision

Our Classification

Operationalization

Self report on vision capacity. Text is not reported.
1: poor vision
0: adequate vision

Observed Relation with Happiness