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Table 1 Baseline characteristics of the BCDDP Follow-up Study participants (n = 33,530) by quartile of total physical activity 1,2

From: A prospective study of physical activity and the risk of pancreatic cancer among women (United States)

Characteristic

PAI Quartile (MET-hours/day)

 

Q1 34.0–50.1

Q2 50.11–56.59

Q3 56.6–63.43

Q4 63.44–100.2

Number of participants

8382

8450

8345

8353

Physical activity (median hours/day)

    

   Sleep

7.8

7.7

7.5

7.2

   Light

13.6

10.2

8.0

5.3

   Moderate

2.4

5.5

7.3

8.6

   Vigorous

0.2

0.6

1.2

2.9

Age (years)

61.6

61.3

60.9

61.0

Body mass index (kg/m2)

25.0

24.7

24.5

24.3

Personal history of diabetes mellitus (%)

0.06

0.04

0.03

0.04

Smoking status (%)

    

   Never smoker

0.53

0.55

0.57

0.58

   Current smoker (< = 30 pack-years)

0.06

0.07

0.06

0.08

   Current smoker (> 30 pack-years)

0.07

0.06

0.05

0.05

   Former smoker (quit < = 14 years prior)

0.14

0.13

0.13

0.11

   Former smoker (quit > 14 years prior)

0.19

0.18

0.17

0.16

Education (> high school; %)

54.8

47.7

46.8

42.8

Race (% white)

89.8

90.1

89.7

87.3

  1. 1 Means unless noted otherwise. 2 All values (except age) were directly standardized to the age distribution of the cohort.