Table 2 Combined pre- and postmenopausal breast cancer

From: Meat consumption and risk of breast cancer in the UK Women's Cohort Study

    

Model 1 a

Model 2 b

 

Consumption ( g /day)

Person years (mean (s.d.))

Cases/non-cases

HR

95% CI

HR

95% CI

Total meat

       

Categorical

       

None (ref)

0

7.50 (0.68)

149/8881

1.00

1.00

Low

<62

7.25 (0.92)

162/8281

1.10

(0.88, 1.39)

1.04

(0.82, 1.33)

Medium

62–103

6.79 (0.98)

182/8282

1.30

(1.04, 1.63)

1.25

(0.98, 1.60)

High

>103

6.63 (0.94)

185/8281

1.40

(1.12, 1.75)

1.34

(1.05, 1.71)

Continuous

  

Risk per 50 g/day

1.11

(1.05, 1.17)

1.11

(1.04, 1.18)

    

P (trend) <0.001

 

P (trend)=0.001

 

Test for effect modification by menopausal status

   

0.0269

 

0.0492

 

Non-processed meat (including red meat, poultry and offal)

Categorical

       

None (ref)

0

7.51 (0.67)

151/9135

1.00

1.00

Low

<50

7.22 (0.93)

163/8196

1.12

(0.89, 1.41)

1.07

(0.84, 1.36)

Medium

50–84

6.79 (0.98)

185/8198

1.34

(1.07, 1.68)

1.34

(1.05, 1.70)

High

>84

6.63 (0.94)

179/8196

1.37

(1.09, 1.72)

1.33

(1.04, 1.69)

Continuous

  

Risk per 50 g/day

1.11

(1.04, 1.18)

1.10

(1.03, 1.19)

    

P (trend)=0.003

 

P (trend)=0.007

 

Test for effect modification by menopausal status

   

0.0454

 

0.0452

 

Processed meat

Categorical

       

None (ref)

0

7.51 (0.70)

175/10306

1.00

1.00

Low

<10

7.08 (0.94)

160/7824

1.17

(0.93, 1.47)

1.19

(0.94, 1.53)

Medium

10–20

6.77 (0.99)

172/7814

1.31

(1.04, 1.64)

1.30

(1.02, 1.66)

High

>20

6.69 (0.95)

171/7781

1.35

(1.08, 1.70)

1.39

(1.09, 1.78)

Continuous

  

Risk per 50 g/day

1.40

(1.18, 1.67)

1.59

(1.22, 2.06)

    

P (trend) <0.001

 

P (trend) <0.001

 

Test for effect modification by menopausal status

   

0.1365

 

0.4523

 

Red meat

Categorical

       

None (ref)

0

7.52 (0.68)

186/11199

1.00

1.00

Low

<32

7.15 (0.97)

162/7512

1.28

(1.02, 1.61)

1.21

(0.95, 1.54)

Medium

32–57

6.72 (0.95)

163/7560

1.36

(1.08, 1.71)

1.40

(1.10, 1.78)

High

>57

6.57 (0.93)

167/7454

1.47

(1.17, 1.84)

1.41

(1.11, 1.81)

Continuous

  

Risk per 50 g/day

1.12

(1.03, 1.21)

1.12

(1.03, 1.22)

    

P (trend)=0.005

 

P (trend)=0.007

 

Test for effect modification by menopausal status

   

0.0325

 

0.0577

 

Poultry

Categorical

       

None (ref)

0

7.48 (0.70)

160/9607

1.00

1.00

Low

<14

6.96 (0.98)

160/7401

1.24

(0.97, 1.57)

1.19

(0.92, 1.54)

Medium

14–23

6.81 (0.99)

191/8678

1.30

(1.03, 1.63)

1.25

(0.98, 1.59)

High

>23

6.88 (0.97)

167/8039

1.25

(0.99, 1.58)

1.22

(0.95, 1.56)

Continuous

  

Risk per 50 g/day

1.14

(0.95, 1.35)

1.11

(0.92, 1.34)

    

P (trend)=0.154

 

P (trend)=0.285

 

Test for effect modification by menopausal status

   

0.7242

 

0.8897

 

Offal

Categorical

       

None (ref)

0

7.23 (0.88)

366/20499

1.00

1.00

Low

2

6.79 (0.99)

190/7833

1.34

(1.11, 1.61)

1.35

(1.11, 1.64)

  

High

>2

6.73 (0.99)

122/5393

1.22

(0.99, 1.52)

1.17

(0.93, 1.48)

Continuous

  

Risk per 50 g/day

1.92

(0.81, 4.53)

1.75

(0.68, 4.50)

    

P (trend)=0.136

 

P (trend)=0.248

 

Test for effect modification by menopausal status

   

0.6334

 

0.6039

 
  1. CI=confidence intervals; HR=hazard ratios.
  2. aAdjusting for age, energy intake and menopausal status.
  3. bAdjusting for age, energy intake, menopausal status, BMI, physical activity, smoking status, HRT use, OCP use, parity, total fruit and vegetable intake.