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Table 3 Spearman correlation coefficients for the relationship among physical activity variables

From: Intensity and timing of physical activity in relation to postmenopausal breast cancer risk: the prospective NIH-AARP Diet and Health Study

Physical activity, by intensity and period of life

Physical activity, by intensity and period of life

 

Light physical activity

Moderate-to-vigorous physical activity

Light physical activity

15-18 years

19-29 years

35-39 years

15-18 years

19-29 years

35-39 years

Past 10 years

   15-18 years

-

0.65

0.52

0.53

0.41

0.30

0.12

   19-29 years

0.65

-

0.79

0.38

0.50

0.42

0.21

   35-39 years

0.52

0.79

-

0.31

0.44

0.49

0.29

   Past 10 years

0.35

0.53

0.66

0.21

0.32

0.39

0.49

 

Moderate-to-vigorous physical activity

    

Moderate-to-vigorous physical activity

15-18 years

19-29 years

35-39 years

    

   15-18 years

-

0.69

0.53

    

   19-29 years

0.69

-

0.79

    

   35-39 years

0.53

0.79

-

    

   Past 10 years

0.28

0.45

0.61

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