Study Documents

Conceptual Plan

• Japan Environment and Children's Study (JECS) Conceptual Plan (March 30, 2010) [PDF 2,077 KB]

Study Protocol

Japan Environment and Children's Study (JECS) Study Protocol
Prepared by: Programme Office of Japan Environment and Children's Study, National Institute for Environmental Studies

• Japanese (ver.4.0) [PDF 1,382KB]
• English (ver. 1.4) [PDF 798 KB]

Japan Environment and Children's Study (JECS) Sub-Cohort Study Protocol　Prepared by: Programme Office of Japan Environment and Children's Study, National Institute for Environmental Studies

• Japanese (ver. 4.20) [PDF 581KB]
• English (ver. 1.01) [PDF 140KB]

Hypotheses Book

• Japan Environment and Children's Study (JECS) Hypotheses Book (March 2010) [PDF 1,324 KB]

Guidance for Epidemiological Statistics

• Guidance on the collation of JECS Results ver. 2.1 (July 31, 2015) [PDF 696KB]

Other reports

Materials prior to launch of JECS

• Report of the Advisory Commission for Children's Environmental Health (August 2006)
• Report of the Advisory Committee of the Epidemiological Research for Children's Environmental Health (March 2008) [PDF：1,056KB]

Report of the Health and Environment Epidemiological Study Working Group

• Report of the Health and Environment Epidemiological Study Working Group (March 2022) [PDF：269KB]

Please download Adobe Reader (for free) to view PDF file.