Table 4.
Potential significant predictors related to breast cancer
| Independent variable | β | OR | 95% CI | P-value |
|---|---|---|---|---|
| Body Mass Index (BMI) (continuous) | 0.1 | 1.11 | 1.07–1.14 | < 0.001 |
| BMI categories | ||||
| Underweight | ND | ND | ND | ND |
| Normal | 0 | 1 | ||
| Overweight | 0.41 | 1.5 | 0.77–2.93 | 0.234 |
| Obese | 1.39 | 4 | 2.07–7.74 | < 0.001 |
| Employment | ||||
| Yes | 0 | 1 | ||
| No | 1.89 | 6.56 | 3.83–11.37 | < 0.001 |
| Family income | ||||
| < 5000 SRa | 3.69 | 39.88 | 11.11–143.16 | < 0.001 |
| 5000–10000 SR | 2.07 | 7.88 | 2.45–25.4 | 0.001 |
| 10000–20000 SR | 1.36 | 3.89 | 1.09–13.88 | 0.036 |
| > 20000 SR | 0 | 1 | ||
| Education | ||||
| Illiterate | 2.98 | 19.7 | 4.33–89.54 | < 0.001 |
| Primary | 4.07 | 58.56 | 16.91–202.82 | < 0.001 |
| Intermediate-secondary | 1.71 | 5.52 | 2.75–11.09 | < 0.001 |
| Postsecondary | 0 | 1 | ||
| Family size | ||||
| 5 or less | 0 | 1 | ||
| 6 or more | 0.8 | 2.23 | 1.15–4.3 | 0.017 |
| Regularly exercise | ||||
| Yes | 0 | 1 | ||
| No | 0.72 | 2.06 | 1.16–3.67 | 0.014 |
| Cancer awareness | ||||
| Yes | 0 | 1 | ||
| No | 1.87 | 6.47 | 1.84–22.77 | 0.004 |
| Smoking | ||||
| Yes | 1.85 | 6.36 | 1.56–26 | 0.01 |
| No | 0 | 1 | ||
| Diabetes | ||||
| Yes | 0.5 | 1.65 | 0.81–3.35 | 0.165 |
| No | 0 | 1 | ||
| Hypertension | ||||
| Yes | 0.51 | 1.67 | 0.91–3.04 | 0.097 |
| No | 0 | 1 | ||
| Contraceptive use | ||||
| Hormonal | 1.91 | 6.78 | 3.42–13.44 | < 0.001 |
| None-hormonal | 1.23 | 3.43 | 1.54–7.65 | 0.003 |
| Don’t use | 0 | 1 | ||
| Age of started menstruation | ||||
| < 10 years old | 1.61 | 5 | 1.12–22.29 | 0.035 |
| 11–14 years old | 0 | 1 | ||
| > 15 years old | 0.54 | 1.57 | 0.79–3.13 | 0.197 |
All variables were adjusted for potential confounders
Abbreviations; β Beta coefficient, CI Confidence Interval, ND Not Determined, OR Odds Ratio
aSR Saudi Riyal