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Table 1 Sociodemographic characteristics of young breast cancer patients (N = 144) and their associations with disease progression (HR hazard ratio, CI confidence interval)

From: Pathological profiles and clinical management challenges of breast cancer emerging in young women in Indonesia: a hospital-based study

Parameters

N

%

HR (95%CI)

Age at diagnosis

 Median

37

  

  < 35

57

39.60%

0.937 (0.376–2.273)

  ≥ 35

87

60.40%

ref

Ethnicity

 Javanese

130

90.30%

1.581 (0.387–6.462)

 Banjar

4

2.80%

ref

 Sundanese

3

2.10%

ref

 Dayak

3

2.10%

ref

 Chinese

2

1.40%

ref

 Others

2

1.40%

ref

Residence

 Rural

124

86.10%

1.021 (0.365–2.861)

 Urban

20

13.90%

ref

Education

 Less than high school

34

23.60%

0.836 (0.334–2.092)

 High school

80

55.60%

ref

 Higher education

30

20.80%

ref

Marital status

 Married

140

97.20%

1.985 (0.2–19.689)

 Not married

4

2.80%

ref

Physical activity

 Vigorously active

17

11.80%

ref

 Moderately active

22

15.30%

0.230 (0.086–0.615)

 Lightly active

105

72.90%

ref

Tobacco smoking

 Never

139

96.50%

1.985 (0.2–19.689)

 Ever

3

2.10%

ref

 Former

2

1.40%

ref