Kaori Kinoshita, Rei Otsuka, Michihiro Takada, Yukiko Nishita, Chikako Tange, Hiroko Jinzu, Katsuya Suzuki, Hiroshi Shimokata, Akira Imaizumi, Hidenori Arai
Dietary amino acid intake and sleep duration are additively involved in future cognitive decline in Japanese adults aged 60 years or over: a community-based longitudinal study
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census microdata ideal developing statistical literacy university students access particularly internationally comparable microdata significant obstacle ipumsinternational project offers uniform solution providing access policy analysts researchers students integrated microdata metadata protecting statistical confidentiality eightyfive official statistical agencies endorsed ipumsi dissemination principles entrusted microdata 249 censuses project june 2010 159 integrated samples representing 55 countries totaling 325 million person records available cost researchers students database expanded addition samples 510 countries per year well samples 2010 round censuses paper illustrates two approaches using ipumsi census microdata university curriculum promote statistical literacy among undergraduates