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JGSS-2018

Questionnaires

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Sampling

Sample area Nationwide
Sample population Men and women 20-89 years of age living in Japan
Sample size 4,000
Sampling method Two-stage stratified random sampling; stratified by regional blocks and population size
No. of survey points:267
No. of subjects at each survey point: approximately 15

Administration
JGSS-2018 was conducted from February through April 2018. The fieldwork was entrusted to the Central Research Services Inc. (Chuo-Chosa-sha).
As for JGSS conducted before, JGSS-2017 used both interview and placement (self-administered) method for each respondent. For practical reasons the administrative order (i.e., whether to conduct the face-to-face interview before or after the questionnaire) was determined by the interviewer/administrator depending on the circumstances of each case. In any case the administrative order was recorded for each respondent.

The Japanese General Social Surveys (JGSS) are designed and carried out by the JGSS Research Center at Osaka University of Commerce (Joint Usage / Research Center for Japanese General Social Surveys accredited by Minister of Education, Culture, Sports, Science and Technology). JGSS-2018 is financially assisted by the Japanese Ministry of Education, Culture, Sports, Science and Technology, JSPS KAKENHI Grant Number 17H01007 (PI: Noriko Iwai), and Osaka University of Commerce.


No. of Responses(%)
Interview >>>
Self-administered
Self-administered >>>
Interview
No answer TTL
1650 (86.1) 260 (13.6%) 6 (0.3%) 1916 (100.0%)

 

Response Rate

No. of respondents contacted 4,000
No. of valid responses 1,916
No. of nonresponses or invalid responses 2084 (change of address:160, address unknown:49, death:12, long term absence:43, sickness:133, in hospital:58, other:18)
Response Rate 54.3%

 

Responses by Sex and Age

No. of Responses(%)
Age 20-29 30-39 40-49 50-59 60-69 70-79 80-89 TTL
Male 80
(8.6)
110
(11.9)
163
(17.6)
157
(17.0)
187
(20.2)
168
(18.2)
60
(6.5)
925
(100.0)
Femal 79
(8.0)
128
(12.9)
186
(18.8)
164
(16.5)
189
(19.1)
168
(17.0)
77
(7.8)
991
(100.0)
TTL 159
(8.3)
238
(12.4)
349
(18.2)
321
(16.8)
376
(19.6)
336
(17.5)
137
(7.2)
1916
(100.0)
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