The eighteenth wave of the survey (18th wave)
- - Survey Date
- The survey was implemented on 31 January 2021.
- - Survey Subjects
-
The 2,281 individuals who were subjects of the KHPS seventeenth wave.
(Valid respondent: 2,244 individuals and 37 individuals who did not respond KHPS the seventeenth 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 2,244 individuals who were surveyed, 2,035 individuals responded the survey, and then the collection rate was 90.7%.
19 respondents who did not respond to the survey last year cooperated the re-survey this year, and submitted the questionnaires.
KHPS Eighteenth Wave Responses
| Number of samples | 2,281 |
| Completed | 2,054 |
| Of which last respondent | 2,035 |
| Of which revival | 19 |
| Recovery rate* | 90.7% |
| Married | 1,512 |
| Single | 542 |
| Newlywed | 5 |
| Dropout | 227 |
*Recovery rate (= ( (Completed－Revival ) / Completed in last year )×100)
■ eighteenth wave (KHPS2021) Questionnaires PDF
