Table 1—

Demographic data of the study population and the OGTT among those who had no previous history of diabetes

Study cohortMean ageMen (%)Subjects with OGTT (n)OGTT participation rate (%)Fasting time (h)Time of blood sampling (h)Year of screeningEthnic groupStudy location
Shunyi, China54 (40–79)40.964698128:00 to 11:001997–1998ChineseRural
Beijing, China58 (40–89)38.91,4299810–128:00 to 10:001997ChineseUrban
Qingdao, China54 (30–74)37.21,80892Overnight7:00 to 9:302002ChineseUrban
Ojika, Japan59 (35–89)40.61,31845Overnight9:00 to 11:001991JapaneseRural
Funagata, Japan59 (40–87)44.02,50775Overnight7:00 to 11:001990–1992JapaneseRural
Hisayama, Japan57 (40–79)42.02,28977>128:00 to 10:301988JapaneseUrban
Dombivli, India48 (31–79)54.052076Overnight8:00 to 12:001998–1999IndianUrban
Chennai97, India47 (30–78)40.576586>107:00 to 10:301996–1998IndianUrban
Chennai94, India44 (30–79)52.61,10572>107:00 to 11:001993–1995IndianUrban
NUDS, India46 (30–89)46.37,45890OvernightMorning2000IndianUrban
Singapore43 (30–69)46.92,326100108:00 to 1:001992Chinese, Malay, IndianUrban
Total51 (30–89)44.222,171
  • Data are range (years) unless otherwise indicated.