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Table 1 Participant characteristics at baseline or at first assessment of each exposure and number of incident breast cancer cases

From: Neighborhood disadvantage and individual-level life stressors in relation to breast cancer incidence in US Black women

 

N

 

Age in years (1995)

57,442

Median = 38

  

%

Body mass index (kg/m2) (1995)

 < 25

21,426

37.3

 25–29

17,489

30.4

 30–34

9176

16.0

 ≥ 35

7606

13.2

Geographic region (1995)

 Northeast

15,719

27.4

 South

17,677

30.8

 Midwest

13,369

23.3

 West

10,677

18.6

Marital status (1995)

 Single

19,726

34.7

 Married or living together

22,652

39.8

 Separated, divorced, widowed

14,473

25.5

Years of education (1995)

 12 years or less

11,012

19.2

 13–15 years

20,686

36.1

 ≥ 16 years

25,631

44.7

Death of a parent or caregiver before age 18 (2017)

7776

24.0

Member of household served time in prison before age 18 (2017)

2455

7.2

Any childhood sexual abuse (2005)

6387

17.9

Any adolescent sexual abuse (2005)

6904

19.4

Severe childhood financial hardship (2013)

4163

12.0

Neighborhood SES and concentrated disadvantage joint variable (1995)

 Highest SES, least disadvantaged

15,929

30.2

 Intermediate SES/disadvantaged

21,425

40.7

 Lowest SES, most disadvantaged

15,337

29.1

Institutional racism (1997)

 No to all 3 spheres (employment, housing, police)

14,664

30.4

 Yes to 1

16,142

33.4

 Yes to 2

12,037

24.9

 Yes to 3

5446

11.3

CESD Scale (Depression scale based on 20 questions) (1999)

 Score 0–15

27,977

71.3

 Score 16–22

6015

15.3

 Score ≥ 23

5270

13.4

Perceived Stress Scale (2005)

 Score 0–4, low perceived stress

16,148

48.2

 Score 5–8, average perceived stress

12,873

38.4

 Score ≥ 9, high perceived stress

4513

13.5

Incident breast cancer cases (1995 though 2017)

2167

 

 ER+ breast cancer

1259

 

 ER− breast cancer

687

 

 Triple negative breast cancer

310

 
  1. SES socioeconomic status, CESD center for epidemiological studies depression