Table 4 Means (s.d.) of factor scores and R2 by categories of women's characteristics

From: Dietary patterns and risk of breast cancer

 

Factors

 

Vegetable

Fruit and salad

Traditional Australian

Meat

Country of birth

 Australia/New Zealand

0.12 (0.88)

−0.11 (0.81)

0.29 (0.77)

−0.14 (0.75)

 The United Kingdom

0.14 (0.89)

−0.05 (0.87)

0.07 (0.71)

−0.09 (0.77)

 Italy

−0.66 (0.75)

0.35 (1.16)

−0.91 (0.57)

0.17 (0.88)

 Greece

−0.19 (1.15)

0.43 (1.14)

−1.12 (0.67)

0.94 (1.25)

R 2

0.08

0.05

0.34

0.13

HRT

 Never user

−0.04 (0.94)

0.01 (0.93)

−0.03 (0.92)

0.04 (0.91)

 Past user

0.11 (0.91)

−0.03 (0.83)

0.11 (0.88)

−0.08 (0.80)

 Current user

0.13 (0.87)

−0.03 (0.91)

0.09 (0.80)

−0.15 (0.77)

R 2

0.01

<0.01

<0.01

0.01

Alcohol consumption

 Lifetime abstainers

−0.05 (1.01)

0.08 (0.99)

−0.04 (1.03)

0.10 (0.99)

 Ex-drinkers

0.04 (0.96)

0.01 (0.98)

−0.02 (0.93)

−0.09 (0.90)

 1–19 g per day

0.03 (0.90)

−0.02 (0.88)

0.06 (0.82)

−0.07 (0.80)

 20 g per day or more

0.03 (0.77)

−0.17 (0.78)

−0.09 (0.73)

0.00 (0.81)

R 2

<0.01

0.01

<0.01

0.01

Level of education

Primary school

−0.41 (0.98)

0.27 (1.06)

−0.82 (0.84)

0.48 (1.15)

 Some high/technical school

0.05 (0.93)

−0.12 (0.86)

0.30 (0.82)

−0.06 (0.80)

 Completed high/technical school

0.11 (0.85)

−0.05 (0.88)

0.13 (0.81)

−0.10 (0.77)

 Degree/diploma

0.18 (0.84)

0.04 (0.90)

0.01 (0.72)

−0.22 (0.69)

R 2

0.05

0.02

0.21

0.07

BMI

 <25 kg m–2

0.09 (0.88)

−0.04 (0.87)

0.13 (0.81)

−0.17 (0.77)

 25–29 kg m–2

−0.03 (0.93)

0.01 (0.95)

−0.03 (0.91)

0.05 (0.89)

 30 kg m–2 or more

−0.13 (1.01)

0.07 (0.97)

−0.22 (1.00)

0.27 (1.00)

R 2

0.01

<0.01

0.02

0.04

Total energy intake

 I tertile

−0.37 (0.69)

−0.27 (0.62)

−0.34 (0.66)

−0.37 (0.55)

 II tertile

0.00 (0.78)

−0.02 (0.83)

−0.02 (0.81)

−0.06 (0.69)

 III tertile

0.37 (1.11)

0.29 (1.15)

0.36 (1.05)

0.43 (1.11)

R 2

0.13

0.07

0.12

0.19

  1. Abbreviations: BMI=body mass index; HRT=hormone replacement therapy.
  2. R2 measures how much of the variation in factor score is explained by each variable.