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Table 1 Selected characteristics of subjects by study groupa

From: Risk factors for breast cancer in postmenopausal Caucasian and Chinese-Canadian women

 

Mean (SD)

    
  

Chinese born in the West or migrated to the West before 21

Recent Chinese migrants

P

 

Caucasians

  

P b

P c

P d

P e

 

(N = 413)

(N = 216)

(N = 421)

    

Age (years)

61.5 (6.9)

58.5 (6.7)

60.3 (6.4)

<0.001

<0.001

0.03

0.004

Years lived in Western countries (years)

61.3 (6.9)

46.2 (12.7)

6.7 (2.9)

<0.001

<0.001

<0.001

<0.001

Education (% yes)

       

Less than 8 years

1.0

3.3

15.0

    

8 to 11 years

9.7

10.7

16.9

    

High School

20.9

24.2

22.8

<0.001

0.04

<0.001

<0.001

Vocational/Technical School

7.5

10.2

9.0

    

College

31.1

20.9

19.0

    

Bachelor's Degree or higher

29.7

30.7

17.3

    
  1. a P values were based on ANOVA for continuous variables and on chi-square tests for categorical variables. Pairwise comparisons were adjusted for multiple comparisons using the Bonferroni method. Continuous variables are expressed as means (SD). Categorical variables are expressed as percent.
  2. b P values for ethnicity effect
  3. c P values for comparing Caucasians and Chinese born in the West or migrated to the West before age 21
  4. d P values for comparing Caucasians and recent Chinese migrants
  5. e P values for comparing Chinese born in the West or migrated to the West before age 21 and recent Chinese migrants