About the sixteenth wave of the survey (JHPS2024)

The sixteenth wave of the survey (Continuous Cohort)

- Survey Date
The survey was implemented on 31 January 2024.
- Survey Subjects
The 1,263 individuals who were subjects of the JHPS fifteenth wave
(Valid respondents: 1,207 individuals, and 56 individuals who did not respond to JHPS fifteenth wave but who wished to participate in the survey.)
- Survey Method
The survey was implemented by the drop-off pick-up (DOPU) method and on the web (only for those who wish). If investigators did not wish to distribute the questionnaires, they were distributed and returned by mail.
- 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 1,207 individuals who were surveyed, 1,086 individuals responded the survey, and then the collection rate was 90.0 %.
26 respondents who did not respond to the survey last year cooperated in the survey this year.

JHPS sixteenth wave responses

Number of samples 1,263
Completed 1,112
Of which last respondent 1,086
Of which Revival 26
Recovery rate* 90.0%
Married 792
Single 320
Newlywed 0
Dropout 151

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

■ 16th wave (JHPS2024) questionnaire PDF
* From 2022 the contents of the JHPS original cohort (JHPS2009) survey questionnaire and the JHPS top-up cohort (JHPS2019) survey questionnaire are the same.

The sixteenth wave of the survey (2019 New Cohort)

- Survey Date
The survey was implemented on 31 January 2024.
- Survey Subjects
The 1,248 individuals who were subjects of the JHPS fifteenth wave
(Valid respondents: 1,139 individuals, and 109 individuals who did not respond to JHPS fifteenth wave but who wished to participate in the survey.)
- Survey Method
The survey was implemented by the drop-off pick-up (DOPU) method and on the web (only for those who wish). If investigators did not wish to distribute the questionnaires, they were distributed and returned by mail.
- 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 1,139 individuals who were surveyed, 991 individuals responded the survey, and then the collection rate was 87.0 %.
52 respondents who did not respond to the survey last year cooperated in the survey this year.

JHPS sixteenth wave collection rate (2019 New Cohort)

Number of samples 1,248
Completed 1,043
Of which last respondent 991
Of which Revival 52
Recovery rate 87.0 %
Married 670
Single 373
Newlywed 14
Dropout 205

■ 16th wave (JHPS2024) questionnaire PDF
* From 2022 the contents of the JHPS original cohort (JHPS2009) survey questionnaire and the JHPS top-up cohort (JHPS2019) survey questionnaire are the same.

The sixteenth wave of the survey (2023 New Cohort)

- Survey Date
The survey was implemented on 31 January 2024.
- Survey Subjects
The 1,735 individuals who were subjects of the JHPS fifteenth wave
- Survey Method
The survey was implemented by the drop-off pick-up (DOPU) method and on the web (only for those who wish). If investigators did not wish to distribute the questionnaires, they were distributed and returned by mail.
- 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 1,735 individuals who were surveyed, 1,261 individuals responded the survey, and then the collection rate was 72.7 %.

JHPS sixteenth wave collection rate (2023 New Cohort)

Number of samples 1,735
Completed 1,261
Recovery rate 72.7 %
Married 605
Single 656
Newlywed 8
Dropout 474

■ 16th wave (JHPS2024) questionnaire (2023 New Cohort) PDF

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