Table 3 Ages 14–17-year intakes of alcohol (none vs some) jointly classified with same age intakes of nuts/peanut butter (none vs some) in multivariable logistic models of risk for biopsy-confirmed BBDa.

From: Adolescent alcohol, nuts, and fiber: combined effects on benign breast disease risk in young women

Alcohol intake

Nuts/peanut butter

 

None

Some

 None

0.44 (0.25–0.79; 0.01)

0.33 (0.19–0.55; <0.01)

 

(36/1344)

(65/3217)

 Some

1.00 (referent)

0.47 (0.24–0.89; 0.02)

 

(19/334)

(20/717)

P for interaction = 0.23

Alcohol intake

Dietary fiber (EA) intake

 

Lowest quartile

Top 3 quartiles

 None

0.69 (0.36–1.31; 0.26)

0.38 (0.21–0.69; <0.01)

 

(35/1021)

(66/3486)

 Some

1.00 (referent)

0.67 (0.34–1.32; 0.25)

 

(14/292)

(24/739)

P for interaction = 0.63

  1. aShown within each cell is the odds ratio, 95% CI, p value, #BBD cases, and N. Because our hypothesis is that, among females consuming alcohol, their risk is lower if they also consume nuts, the reference group is some alcohol and no nuts. The bottom half of this table similarly investigates alcohol combined with same age dietary fiber (lowest quartile vs top 3 quartiles), with reference group any alcohol consumption and least dietary fiber.
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