The twentieth wave of the survey (20th wave)
- - Survey Date
- The survey was implemented on 31 January 2023.
- - Survey Subjects
-
The 2,027 individuals who were subjects of the KHPS nineteenth wave.
(Valid respondent: 1,957 individuals and 70 individuals who did not respond KHPS the nineteenth wave, but who indicate a wish to cooperate 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). Due to the spread of the COVID-19, 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 1,957 individuals who were surveyed, 1,783 individuals responded the survey, and then the collection rate was 91.1%.
45 respondents who did not respond to the survey last year cooperated the re-survey this year, and submitted the questionnaires.
KHPS Twentieth Wave Responses
| Number of samples | 2,027 |
| Completed | 1,828 |
| Of which last respondent | 1,783 |
| Of which revival | 45 |
| Recovery rate* | 91.1% |
| Married | 1,338 |
| Single | 490 |
| Newlywed | 4 |
| Dropout | 199 |
*Recovery rate = (Completed－Revival) / Completed in last year ×100
■ twentieth wave (KHPS2023) Questionnaires PDF
