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Table 1 Summary relative risk estimates from observational studies of fat intake* and breast cancer risk, along with corresponding projections from international correlational analyses

From: Future possibilities in the prevention of breast cancer: Fat and fiber and breast cancer research

 

Total fat consumption quintile

 

Data source

1†

2

3

4

5

Trend test

Case-control studies [5*]

1.00

1.20

1.24

1.24

1.46

P = 0.0002

International data projection [23*]

1.00

1.11

1.19

1.28

1.42

 
 

Calorie-adjusted fat intake quintile

 

Data source

1†

2

3

4

5

Trend test

Cohort studies [3*]

1.00

1.01

1.12

1.07

1.05

P = 0.21

International data projection [23*]

1.00

1.07

1.12

1.19

1.27

 
  1. *Most of the case-control studies and all cohort studies used a food frequency assessment of diet; international data projections include an accommodation of food frequency measurement error. †Reference category.