Japanese Population-based Osteoporosis Cohort Study (JPOS)
JPOS is a comprehensive research project aimed at preventing fractures and osteoporosis in women. At the time of recruitment, participants were women aged 15 to 79 from seven municipalities across Japan, including Memuro, Iwate, Nishi-Aizu, Joetsu, Sanuki, Kousa, and Miyakojimaproviding a broad representation of the Japanese female population. At baseline, over 3,900 participants were included in the study. Follow-up surveys were conducted in 1999, 2002, 2006, 2011/12, and 2016/17 to monitor changes over time.
Study design
Cohort
Number of participants at first data collection
3,985 (participants)
Age at first data collection
15 - 79 years (participants)
Participant year of birth
Varied (participants)
Participant sex
Female
Representative sample at baseline?
Broadly representative of the Japanese female population
Sample features
Country
Year of first data collection
1996
Primary Institutions
Japanese Society for the Promotion of Science (日本学術振興会)
Kindai University (近畿大学)
Profile paper DOI
Funders
Japan Dairy Council
Japan Milk Promotion Board
Japan Society for the Promotion of Science (JSPS)
Japanese Society for Bone and Mineral Research (JSBMR)
Ministry of Agriculture, Forestry and Fisheries (農林水産省, MAFF)
Ongoing?
No
Data types collected
- Interview – face-to-face
- Physical or biological assessment (e.g. blood, saliva, gait, grip strength, anthropometry)
- Self-report questionnaire – paper or computer assisted
- None
- None
- None
Engagement
Keywords
