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Table 4 Results of logistic regression model for factors associated with breast cancer risk.

From: Breast cancer risk factors in Turkish women – a University Hospital based nested case control study

Factors* OR (95%CI) P value
Age (≥ 50) years 2.61 (2.20–3.11) < 0.001
Induced abortion 1.66 (1.39–1.98) < 0.001
Oral contraceptive use 0.60 (0.48–0.74) < 0.001
  1. *The significant risk factors in Table 3 with a distribution frequency >10% including age ≥ 50, induced abortion, BMI ≥ 25, education ≥ 13 years, spontaneous abortion, smoking, breast feeding, oral contraceptive use and nullipara were further evaluated in the multivariable logistic regression analyses.