Study

Publication

Intervention

Cumulative Incidence %

RRR in the intervention arm (%)

Chinese Da Qing Study

1997

Exercise 141

Dieting 130

Exercise+ Dieting 126

Control 133

41.8

43.8

46

67.7

38

Finnish DPPP

2001

Exercise+ Dieting 265

Control 257

10

22.95

58

American DPPP

2002

Exercise+ Dieting 1079

Metformin 1073

Control 1082

14.7

21.7

28.9

58

Indian DPPP

2006

Exercise+ Dieting 133

Metformin 133

Lifestyle + Metformin 129

Control 136

39.3

40.5

39.5

55

29

Japanese Prevention Trial

2004

Exercise+ Dieting 103

Control 110

3

9.3

67