Ibaraki Prefectural Health Study
- Start Year
- End Year
- Study design
- Population cohort
- Follow Up
- Follow-up information was available from health checkups 20 years after the initial evaluation. To ascertain deaths in the cohort, investigators conducted a systematic review of death certificates. Data from health check-ups and dates of death or moving were obtained from local governments.
Umesawa M, Sairenchi T, Haruyama Y, Nagao M, Yamagishi K, Irie F, Watanabe H, Kobashi G, Iso H, Ota H. Validity of a Risk Prediction Equation for CKD After 10 Years of Follow-up in a Japanese Population: The Ibaraki Prefectural Health Study. Am J Kidney Dis. 2018 Jun;71(6):842-850. doi: 10.1053/j.ajkd.2017.09.013. Epub 2017 Dec 1. PMID: 29198643.
- Sources of Recruitment
Number of participants
- Number of participants
- Number of participants with biosamples
- Supplementary Information
- Participants who completed an annual health checkup in 1993 to 1996 in the Ibaraki Prefecture in Japan. Participants were initially free of CKD (defined as stage 3, 4, or 5 CKD or proteinuria [2+ or 3+] by dipstick).
Availability of data and biosamples