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Profile of the JACC study
Akiko Tamakoshi1, Takesumi Yoshimura, Yutaka Inaba
1Department of Preventive Medicine/Biostatistics and Medical Decision Making, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan. tamaa@med.nagoya-u.ac.jp
Journal of Epidemiology
|May 11, 2005
Summary
The Japan Collaborative Cohort Study (JACC Study) investigated lifestyle factors and cancer risk. This large cohort provides valuable data for cancer prevention strategies in Japan.
Area of Science:
- Epidemiology
- Oncology
- Public Health
Background:
- Establishing the relationship between lifestyle and cancer necessitates large-scale population studies.
- The Japan Collaborative Cohort Study (JACC Study) was initiated to address this need.
Purpose of the Study:
- To evaluate the association between lifestyle factors and cancer risk.
- To collect comprehensive epidemiological and biological data for cancer research.
Main Methods:
- A cohort of 127,477 participants was recruited across 45 areas in Japan from 1988-1990.
- Data on demographics, medical history, lifestyle (diet, exercise, smoking, alcohol), and blood samples were collected.
- Follow-up included mortality, cancer incidence, and interim lifestyle surveys.
Main Results:
- 110,792 participants aged 40-79 were eligible for follow-up.
- Blood samples were stored from 39,242 subjects.
- An interim survey on lifestyle changes was conducted on 46,650 subjects.
Conclusions:
- The JACC Study has generated significant evidence regarding lifestyle and cancer.
- Findings contribute to developing effective cancer prevention strategies in Japan.