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Table 4 Potential significant predictors related to breast cancer

From: Determinants of breast cancer in Saudi women from Makkah region: a case-control study (breast cancer risk factors among Saudi women)

Independent variable

Ī²

OR

95% CI

P-value

Body Mass Index (BMI) (continuous)

0.1

1.11

1.07ā€“1.14

<ā€‰0.001

BMI categories

ā€ƒUnderweight

ND

ND

ND

ND

ā€ƒNormal

0

1

Ā Ā 

ā€ƒOverweight

0.41

1.5

0.77ā€“2.93

0.234

ā€ƒObese

1.39

4

2.07ā€“7.74

<ā€‰0.001

Employment

ā€ƒYes

0

1

Ā Ā 

ā€ƒNo

1.89

6.56

3.83ā€“11.37

<ā€‰0.001

Family income

ā€ƒ<ā€‰5000 SRa

3.69

39.88

11.11ā€“143.16

<ā€‰0.001

ā€ƒ5000ā€“10000 SR

2.07

7.88

2.45ā€“25.4

0.001

ā€ƒ10000ā€“20000 SR

1.36

3.89

1.09ā€“13.88

0.036

ā€ƒ>ā€‰20000 SR

0

1

Ā Ā 

Education

ā€ƒIlliterate

2.98

19.7

4.33ā€“89.54

<ā€‰0.001

ā€ƒPrimary

4.07

58.56

16.91ā€“202.82

<ā€‰0.001

ā€ƒIntermediate-secondary

1.71

5.52

2.75ā€“11.09

<ā€‰0.001

ā€ƒPostsecondary

0

1

Ā Ā 

Family size

ā€ƒ5 or less

0

1

Ā Ā 

ā€ƒ6 or more

0.8

2.23

1.15ā€“4.3

0.017

Regularly exercise

ā€ƒYes

0

1

Ā Ā 

ā€ƒNo

0.72

2.06

1.16ā€“3.67

0.014

Cancer awareness

ā€ƒYes

0

1

Ā Ā 

ā€ƒNo

1.87

6.47

1.84ā€“22.77

0.004

Smoking

ā€ƒYes

1.85

6.36

1.56ā€“26

0.01

ā€ƒNo

0

1

Ā Ā 

Diabetes

ā€ƒYes

0.5

1.65

0.81ā€“3.35

0.165

ā€ƒNo

0

1

Ā Ā 

Hypertension

ā€ƒYes

0.51

1.67

0.91ā€“3.04

0.097

ā€ƒNo

0

1

Ā Ā 

Contraceptive use

ā€ƒHormonal

1.91

6.78

3.42ā€“13.44

<ā€‰0.001

ā€ƒNone-hormonal

1.23

3.43

1.54ā€“7.65

0.003

ā€ƒDonā€™t use

0

1

Ā Ā 

Age of started menstruation

ā€ƒ<ā€‰10ā€‰years old

1.61

5

1.12ā€“22.29

0.035

ā€ƒ11ā€“14ā€‰years old

0

1

Ā Ā 

ā€ƒ>ā€‰15ā€‰years old

0.54

1.57

0.79ā€“3.13

0.197

  1. All variables were adjusted for potential confounders
  2. Abbreviations; Ī² Beta coefficient, CI Confidence Interval, ND Not Determined, OR Odds Ratio
  3. aSR Saudi Riyal