About the eighth wave of the survey(KHPS2011)

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

- Day for the Survey
The survey was implemented on 31 January 2011.

- Subjects for the Survey
The 3,232 individuals who were subjects of the KHPS seventh wave.
(valid respondent 3,207 individuals and 25 individuals who did not respond KHPS the seventh 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 3,207 individuals who were surveyed, 3,020 individuals responded the survey, and then the collection rate was 94.2%.
10 respondents who did not respond to the survey last year cooperated the re-survey this year, and submitted the questionnaires.

  KHPS Eighth Wave Responses

Number of samples 3,232
Completed 3,030
Of which last respondent 3,020
Of which revival 10
Recovery rate 94.2%
Married 2,351
Single 679
Newlywed 12
Dropout 202
  Recovery rate (= ( (Completed-Revival ) / Completed in last year )×100)


8th wave(KHPS2011) questionnaire PDF