About the seventh wave of the survey (JHPS2015)

The seventh wave of the survey (7th wave)

- Survey Date
The survey was implemented on 31 January 2015.
- Subjects for the Survey
The 2,384 individuals who were subjects of the JHPS sixth wave.
(Valid respondents: 2,358 individuals, and 26 individuals who did not respond to JHPS Sixth Wave but who wished to participate in the survey.)
- Survey Method
The survey was implemented by the drop-off pick-up (DOPU) method
- Types of Questionnaires
Two types of questionnaires that differed according to whether there was a spouse or not were used. And another questionnaire for spouse who married with respondent in the past year.
- Collection rate
Of 2,358 individuals who were surveyed, 2,192 individuals responded the survey, and then the collection rate was 93.0%.
Six respondents who did not respond to the survey last year cooperated in the re-survey this year.

JHPS seventh wave responses

Number of samples 2,384
Completed 2,198
Of which last respondent 2,192
Of which Revival 6
Recovery rate* 93.0%
Married 1,663
Single 535
Newlywed 14
Dropout 186

*Recovery rate = (Completed-Revival) / Completed in last year × 100

■ 7th wave (JHPS2015) questionnaire PDF