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Table 1 Physical activity (PA) level and changes in PA level across the three periods of life among 80,202 postmenopausal women in the Norwegian Women and Cancer Study

From: Physical activity and the risk of postmenopausal breast cancer - the Norwegian Women and Cancer Study

  

PA level (%)

 

N

Very low

Low

Moderate

High

Very high

At age 14a

77 623

2.2

12.1

34.6

34.1

17.0

At age 30a

78 477

1.7

12.2

42.9

32.0

11.1

At enrollment

80 202

5.2

20.9

41.8

25.6

6.4

  

Changes in PA level b (%)

  

Inactive-no change

Active to inactive

Inactive to active

Active-no change

 

Age 14 to age 30

77 272

5.3

8.7

9.0

77.1

 

Age 14 to enrollment

77 623

4.7

21.4

9.6

64.3

 

Age 30 to enrollment

78 477

8.3

17.8

5.6

68.3

 
  1. aMissing at age 14, 3.2%; age 30, 2.2%, compared to enrollment.
  2. bInactive: very low or low PA level. Active: Moderate, high or very high PA level.
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Journal of Negative Results in BioMedicine

ISSN: 1477-5751

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