About the sixth wave of the survey(KHPS2009)

The sixth wave of the survey was implemented in the following manner.

- Day for the Survey
The survey was implemented on 31 January 2009.

- Subjects for the Survey
The 3,706 individuals who were subjects of the KHPS fifth wave.
(valid respondent 3,691 individuals and 15 individuals who did not respond KHPS the fifth 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 3,691 individuals who were surveyed, 3,418 individuals responded the survey, and then the collection rate was 92.6%.
4 respondents who did not respond to the survey last year cooperated the re-survey this year, and submitted the questionnaires.

  KHPS Sixth Wave Responses

Number of samples 3,706
Completed 3,422
Of which last respondent 3,418
Of which revival 4
Recovery rate 92.6%
Married 2,611
Single 811
Newlywed 24
Dropout 284

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

6th wave(KHPS2009) questionnaire PDF