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
- - 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|
|Of which last respondent||2,035|
|Of which revival||19|
*Recovery rate (= ( (Completed－Revival ) / Completed in last year )×100)
■ eighteenth wave (KHPS2021) Questionnaires PDF