About the ninth wave of the survey (JHPS2017)

The ninth wave of the survey (9th wave)

- Survey Date
The survey was implemented on 31 January 2017.
- Subjects for the Survey
The 2,060 individuals who were subjects of the JHPS eighth wave.
(Valid respondents: 2,048 individuals, and 12 individuals who did not respond to JHPS Eighth 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 2,048 individuals who were surveyed, 1,882 individuals responded the survey, and then the collection rate was 91.9%.
Three respondents who did not respond to the survey last year cooperated in the survey this year.

JHPS ninth wave responses

Number of samples 2,060
Completed 1,885
Of which last respondent 1,882
Of which Revival 3
Recovery rate* 91.9%
Married 1,407
Single 478
Newlywed 4
Dropout 175

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

■ 9th wave (JHPS2017) questionnaire PDF