Table 3 Associations between mortality outcomes and household physical activity (MET-hours per week) during the past month, overall and by ethnicity.

From: Ethnic and biological differences in the association between physical activity and survival after breast cancer

 

Overall (N = 397)

Hispanic (N = 96)

Non-Hispanic White (N = 301)

Outcome

<18

18–40.5

>40.5

p-trend

<18

18–40.5

>40.5

p-trend

0

>0–6.9

>6.9

p-trend

All-cause death

No. of deaths/No. of participants

56/148

37/123

40/126

 

12/32

8/26

10/38

 

44/116

29/97

30/88

 

Model 1§

HR

1

0.73

0.77

0.18

1

0.66

0.59

0.23

1

0.76

0.81

0.34

95% CI

 

(0.48, 1.11)

(0.51, 1.15)

  

(0.27, 1.65)

(0.26, 1.37)

  

(0.47, 1.21)

(0.51, 1.29)

 

Model 2

HR

1

0.72

0.76

0.17

1

0.32

0.41

0.08

1

0.78

0.80

0.34

95% CI

 

(0.47, 1.10)

(0.50, 1.14)

  

(0.11, 0.95)

(0.17, 1.01)

  

(0.48, 1.27)

(0.50, 1.29)

 

Breast cancer death

No. of deaths/No. of participants

23/148

13/123

17/126

 

8/32

3/26

5/38

 

15/116

10/97

12/88

 

Model 1§

HR

1

0.66

0.85

0.57

1

0.46

0.49

0.2

1

0.77

1.04

0.06

95% CI

 

(0.33, 1.31)

(0.45, 1.60)

  

(0.12, 1.76)

(0.16, 1.50)

  

(0.35, 1.72)

(0.49, 2.24)

 

Model 2

HR

1

0.63

0.82

0.50

1

0.29

0.41

0.14

1

0.76

1.05

0.08

95%CI

 

(0.32, 1.26)

(0.43, 1.55)

  

(0.06, 1.34)

(0.12, 1.34)

  

(0.33, 1.74)

(0.49, 2.25)

 

Non-breast cancer death

No. of deaths/No. of participants

33/148

24/123

23/126

 

4/32

5/26

5/38

 

29/116

19/97

18/88

 

Model 1§

HR

1

0.83

0.8

0.39

1

0.94

0.89

0.87

1

0.83

0.78

0.40

95% CI

 

(0.49, 1.41)

(0.47, 1.36)

  

(0.24, 3.63)

(0.24, 3.34)

  

(0.46, 1.49)

(0.43, 1.42)

 

Model 2

HR

1

0.85

0.79

0.40

1

0.50

0.62

0.67

1

0.85

0.74

0.33

95% CI

 

(0.49, 1.47)

(0.46, 1.37)

  

(0.09, 2.73)

(0.13, 2.85)

  

(0.46, 1.57)

(0.40, 1.36)

 
  1. §Models adjusted for age and ethnicity (among all women) only.
  2. Models adjusted for age, disease stage at baseline, treatment, BMI, diabetes, fructosamine, and ethnicity (among all women).