Table 2 Association between measures of physical activity and risk of type 2 diabetes in the MDCS cohort

Leisure-time physical activity (MET-hrs/wk)

< 13

13–22

22–31

31–46

> 46

 Cases/Person-years

959/89311

757/92258

704/93747

658/94441

713/91683

 Basic model

1.0

0.76(0.69–0.84)

0.70(0.64–0.77)

0.64(0.58–0.71)

0.69(0.63–0.77)

 Multivariable model

1.0

0.81(0.73–0.89)

0.76(0.69–0.83)

0.69(0.63–0.77)

0.75(0.68–0.83)

 Multivariable model incl. BMI

1.0

0.88(0.80–0.97)

0.84(0.76–0.93)

0.78(0.71–0.87)

0.87(0.78–0.95)

Domestic physical acitivity (METhrs/wk)

< 12.5

12.5–25.0

25.0–37.5

37.5–52.5

> 52.5

 Cases/Person-years

996/100437

908/111916

605/81706

524/74353

637/80993

 Basic model

1.0

0.96(0.88–1.06)

0.99(0.89–1.10)

1.00(0.89–1.13)

1.13(1.00–1.27)

 Multivariable model

1.0

0.97(0.89–1.07)

1.00(0.90–1.12)

1.00(0.89–1.13)

1.10(0.98–1.24)

 Multivariable model incl. BMI

1.0

1.01 (0.93–1.11)

1.02(0.91–1.14)

1.03(0.91–1.16)

1.11(0.99–1.25)

Occupational physical activity (METhrs/wk)

0

1.5–60

60–120

> 120

 Cases/Person-years

1587/170537

834/122192

578/73107

774/94037

 Basic model

1.0

0.78(0.71–0.86)

0.89(0.80–0.99)

0.89(0.80–0.98)

 Multivariable model

1.0

0.88(0.80–0.97)

0.99(0.89–1.10)

0.90(0.81–1.00)

 Multivariable model incl. BMI

1.0

0.95(0.86–1.04)

1.03(0.92–1.15)

0.91(0.82–1.00)

PAL_total

< 1.37

1.37–1.45

1.45–1.56

1.56–1.89

> 1.89

 Cases/Person-years

879/85467

724/91261

674/92531

720/95034

794/97147

 Basic model

1.0

0.84(0.76–0.93)

0.81(0.73–0.90)

0.86(0.78–0.95)

0.91(0.82–1.01)

 Multivariate Model

1.0

0.89(0.80–0.98)

0.86(0.78–0.96)

0.89(0.81–0.99)

0.89(0.80–0.98)

 Multivariate model incl. BMI

1.0

0.94(0.85–1.04)

0.92(0.83–1.02)

0.98(0.89–1.09)

0.93(0.84–1.02)