Cohort

Cohort

These studies satisfy the following conditions:

  1. Principle (or main) investigator is a JEA member.
  2. The number of the participants at the baseline study is more than 10,000.
  3. The follow-up period is more than 5 years.
Japan Public Health Center-based prospective Study I
Population Japanese residents of 5 public health center areas in Japan
Age (years) at
baseline survey
40-59
Year(s) of
baseline survey
1990
End year of
follow-up
ongoing
Population size 61,595
Rate of response (%) to
baseline questionnaire
82%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Research registry (Cancer, Stroke, Myocarial infarction) Cancer registry
HP http://epi.ncc.go.jp/jphc/
Contact address Japan Public Health Center-based prospective Study (JPHC Study)
Cordination and Data Center
Epidemiology and Prevention Group,
Center for Public Health Sciences,
National Cancer Center,
5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045 Japan.
E-mail: jphcadmin@ml.res.ncc.go.jp
Date updated July 28, 2016
Japan Public Health Center-based prospective Study II
Population Japanese residents of 6 public health center areas in Japan
Age (years) at
baseline survey
40-69
Year(s) of
baseline survey
1993-1994
End year of
follow-up
ongoing
Population size 78,825
Rate of response (%) to
baseline questionnaire
80%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Research registry (Cancer, Stroke, Myocarial infarction) Cancer registry
HP http://epi.ncc.go.jp/jphc/
Contact address Japan Public Health Center-based prospective Study (JPHC Study)
Cordination and Data Center
Epidemiology and Prevention Group,
Center for Public Health Sciences,
National Cancer Center,
5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045 Japan.
E-mail: jphcadmin@ml.res.ncc.go.jp
Date updated July 28, 2016
The Japan Collaborative Cohort Study
Population Residents of 45 areas throughout Japan
Age (years) at
baseline survey
40-79
Year(s) of
baseline survey
1988-1990
End year of
follow-up
ongoing
Population size 110,792
Rate of response (%) to
baseline questionnaire
83%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cancer registry and Research registry
HP http://publichealth.med.hokudai.ac.jp/jacc/index.html
Contact address jacc_study@med.hokudai.ac.jp
The Miyagi Cohort Study
Population Residents of 14 municipalities in Miyagi Prefecture, Japan
Age (years) at
baseline survey
40-64
Year(s) of
baseline survey
1990
End year of
follow-up
ongoing
Population size 47,605
Rate of response (%) to
baseline questionnaire
92%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cancer registry
HP http://www.pbhealth.med.tohoku.ac.jp/
Contact address thkpbh-office@umin.ac.jp
Ohsaki National Health Insurance Cohort Study
Population National Health Insurance beneficiaries in Ohsaki Public Health Center, Miyagi Prefecture
Age (years) at
baseline survey
40-79
Year(s) of
baseline survey
1994
End year of
follow-up
ongoing
Population size 52,029
Rate of response (%) to
baseline questionnaire
95%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cancer registry
HP http://www.pbhealth.med.tohoku.ac.jp/
Contact address thkpbh-office@umin.ac.jp
The Three Prefecture Study Aichi
Population Residents of 2 municipalities in Aichi Prefecture, Japan
Age (years) at
baseline survey
40-103
Year(s) of
baseline survey
1985
End year of
follow-up
ongoing
Population size 33,529
Rate of response (%) to
baseline questionnaire
90%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cancer registry
The Three Prefecture Study Miyagi
Population Residents of 3 municipalities in Miyagi Prefecture, Japan
Age (years) at
baseline survey
40-79
Year(s) of
baseline survey
1983-1985
End year of
follow-up
ongoing
Population size 31,345
Rate of response (%) to
baseline questionnaire
66.2-93.2%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cancer registry
Contact address thkpbh-office@umin.ac.jp
The Three Prefecture Study Osaka
Population Residents of 4 municipalities in Osaka Prefecture, Japan
Age (years) at
baseline survey
40-97
Year(s) of
baseline survey
1983-1985
End year of
follow-up
1998-2000
Population size 35,755
Rate of response (%) to
baseline questionnaire
76.4-88.0 (81.5) %
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cancer registry
Contact address tsobue@envi.med.osaka-u.ac.jp
Date updated July 28, 2016
Takayama Study
Population Japanese residents of Takayama, Gifu, Japan
Age (years) at
baseline survey
≥35
Year(s) of
baseline survey
1992
End year of
follow-up
ongoing
Population size 31,552
Rate of response (%) to
baseline questionnaire
85%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cancer registry
HP http://www1.gifu-u.ac.jp/~ph/(Japanese Only)
Contact address chisato@gifu-u.ac.jp
Lifespan study
Population Atomic-bomb survivors in Hiroshima and Nagasaki
Age (years) at
baseline survey
All age range
Year(s) of
baseline survey
1950
End year of
follow-up
ongoing
Population size 120,321
Rate of response (%) to
baseline questionnaire
100%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cancer registry
HP http://www.rerf.or.jp/general/research/longevify.html
Contact address http://www.rerf.jp/community/contact_e.html
Circulatory Risk in Communities Study: CIRCS
Population Japanese residents of 4 populations, Ikawa (Akita), Kyowa, Chikusei (Ibaraki), Minamitakayasu, Yao (Osaka), and Noichi (Kochi)
Age (years) at
baseline survey
40-69
Year(s) of
baseline survey
1st cohort, 1963-1971
2nd cohort, 1975-1984
3rd cohort, 1985-1994
4th cohort, 1995-2000
End year of
follow-up
ongoing
Population size 1st cohort, 5,555
2nd cohort, 10,167
3rd cohort, 11,997
4th cohort, 9,502
Rate of response (%) to
baseline questionnaire
99%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cardiovascular disease registry
HP http://www.osaka-ganjun.jp/effort/cvd/r-and-d/circs/
http://www.pbhel.med.osaka-u.ac.jp/
http://www.md.tsukuba.ac.jp/community-med/publicmd/index.html
Contact address kiyama@osaka-ganjun.jp
iso@pbhel.med.osaka-u.ac.jp
yamagishi.kazumas.ge@u.tsukuba.ac.jp
NIPPON DATA
Population Japanese residents in 300 randomly selected health dstricts arcoss Japan
Age (years) at
baseline survey
≥30
Year(s) of
baseline survey
1980, 1990, and 2010
End year of
follow-up
ongoing
Population size Approximately 21,000
Rate of response (%) to
baseline questionnaire
77%
Method of follow-up,
death
National Vital Statistics
Method of follow-up,
incidence
N/A
HP http://hs-web.shiga-med.ac.jp/Study.html#NIPPONDATA
Contact address misabn@belle.shiga-med.ac.jp
Ibaraki Prefectural Health Study: IPHS
Population 1st cohort, Residents of 38 municipalities in Ibaraki, Japan
2nd cohort, Residents of 21 municipalities in Ibaraki, Japan
Health-checkup cohort, Residents of 85 municipalities in Ibaraki, Japan
Age (years) at
baseline survey
1st cohort, ≥40
2nd cohort, 40-74
Health-checkup cohort, ≥40
Year(s) of
baseline survey
1st cohort, 1993
2nd cohort, 2009
Health-checkup cohort, 1993-
End year of
follow-up
ongoing
Population size 1st cohort, 98,326
2nd cohort, 53,339
Health-checkup cohort, approx. 700,000
Rate of response (%) to
baseline questionnaire
1st cohort: approx. 40%
2nd cohort: approx 20%
Health-checkup cohort: approx. 40%
Method of follow-up,
death
1st cohort: National Vital Statistics
2nd cohort: National vital statictics, health claims, and long term care claims
Health-checkup cohort: Health checkup data.
Method of follow-up,
incidence
N/A
HP http://www.hsc-i.jp/05_chousa/seimeiyogo_chousa.htm
Contact address f.irie@pref.ibaraki.lg.jp
tossair@dokkyomed.ac.jp
iso@pbhel.med.osaka-u.ac.jp
Komo-Ise Gunma Cohort Study
Population Japanese residents of Komochi Village and the downtown of Isesaki City, Gunma
Age (years) at
baseline survey
40-69 years old, men and women
Year(s) of
baseline survey
1993-1994
End year of
follow-up
ongoing
Population size 11,565 men & women living in a village and in an urban district
Rate of response (%) to
baseline questionnaire
91.6%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Psycho-social factors and mental disorders assessed by a quetionnaire, THI, the Total Health Index; collaborated with Alameda County Study
HP http://www.ecohealth.info/
Contact address S. Suzuzuki, MD/PhD
Horiguchi 133-4, Isesaki City, Gunma, 372-0834 JAPAN
Tel: 81+270-61-7983; FAX: 81+270-61-7984;
ecohealthg@mbh.nifty.com
Japan Multi-Institutional Collaborative Cohort Study
Population Residents of 14 areas throughout Japan
Age (years) at
baseline survey
35-69
Year(s) of
baseline survey
2005-2014
End year of
follow-up
ongoing
Population size Approximately 101,000 (including affiliated cohorts)
Rate of response (%) to
baseline questionnaire
34%
Method of follow-up,
death
Death certificates
Method of follow-up,
incidence
Cancer registry and extracting information from medical records, et al.
HP http://www.jmicc.com/en/
Contact address Japan Multi-Institutional Collaborative Cohort Study (J-MICC Study)
J-MICC Study Central Office
Department of Preventive Medicine,
Nagoya University Graduate School of Medicine
65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
E-mail: jmicc@med.nagoya-u.ac.jp
Date posted
July 31, 2016
Japan Nurses' Health Study,JNHS
Population registered nurses, licensed practical nurses, public health nurses, and midwives
Age (years) at
baseline survey
1st cohort, ≥30
2st cohort, ≥30
3st cohort, ≥30
4st cohort, ≥25
5st cohort, ≥25
Year(s) of
baseline survey
1st cohort, November 2001 - March 2003
2st cohort, April 2003 - March 2004
3st cohort, April 2004 - March 2005
4st cohort, April 2005 - March 2006
5st cohort, April 2006 - March 2007
End year of
follow-up
ongoing
Population size 1st cohort, 7,331
2st cohort, 3,398
3st cohort, 1,520
4st cohort, 1,574
5st cohort, 1,196
Total, 15,019
Rate of response (%) to
baseline questionnaire
Among 49,927 women who responded to the baseline survey, 15,019 agreed to be followed up.
Method of follow-up,
death
National Vital Statistics
Method of follow-up,
incidence
● Self-reported incidence of 40 diseases in biennial follow-up survey.
● Validation study ( cancers and major CVDs ) : Self-reported diagnosis will be confirmed by medical records
HP http://plaza.umin.ac.jp/~jnhs/e_index.html
Contact address Japan Nurses' Health Study Coordination & Data Center

Epidemiological Research Office School of Health Sciences, Gunma University
3-39-22,Showamachi,Maebashi,371-8514,Japan
Phone & FAX : +81-27-220-8974
E-mail : jnhs.jimu@gmail.com
Date posted
September 7, 2017