Study Ozawa & Hofstetter (2004a): study JP 1997

Public

Women, aged 24-38, followed 2 years, Japan, 1997-1999

Survey name

Unnamed study

Sample

Respondents

N = 1537

Non Response

Assessment

Questionnaire: Paper & Pencil Interview (PAPI)
not reported, assumed.

Correlate

Authors's Label

Adopting mobile phone

Our Classification

Distribution

Diffusion percentage:
1997: 53%; 1998: 68%; 1999: 78% (calculated by WDH staff)

Operationalization

Selfreport on single question:
Start to use mobile phone in 1998 and/or 1999:
0: non-adopters
(those that have access to mobile phone in neither year)
1: adopters
(those that started mobile phone in later year but not in the first year)
Full question was not reported.

Observed Relation with Happiness