Table 3.

Univariate multinomial regression analysis of risk factors for benign breast disease and breast cancer in relation to controls

Variable	Categories	Benign Breast Disease	P value	Breast cancer	P-value
		OR (95% CI)		OR (95% CI)
Age (years)	≥ 50	1.38 (0.63–3.03)	0.424	1.62 (0.74–3.57)	0.231
	<  50	Ref		Ref
Menarche age (years)	<  12	1.39 (0.45–4.37)	0.566	1.39 (0.48–4.37)	0.566
	≥ 12	Ref		Ref
Menopause age (years)	>  46	0.84 (0.33–2.15)	0.716	1.65 (0.67–4.09)	0.280
	≤ 46	Ref		Ref
BMI (kg/m2)	≥ 23	1.69 (0.74–3.86)	0.213	114.33 (14.42–906.25)	< 0.001
	18.5- < 23	Ref		Ref
Total cholesterol (mg/dL)	≥ 200	1.09 (0.47–2.56)	0.829	8.27 (3.35–20.38)	< 0.001
	< 200	Ref		Ref
Low density lipoprotein (mg/ dL)	≥ 130	1.27 (0.57–2.79)	0.548	5.79 (2.33–14.44)	< 0.001
	<  130	Ref		Ref
High-density lipoprotein (mg/ dL)	<  40	0.92 (0.41–2.05)	0.838	2.44 (1.09–5.47)	0.029
	≥ 40	Ref		Ref
Triglyceride (mg/ dL)	≥ 150	1.15 (0.41–3.28)	0.790	5.69 (2.23–14.53)	< 0.001
	<  150	Ref		Ref

Data expressed as n(%) and mean ± SD where appropriate; OR Odds Ratio

* P-value significant at < 0.05 level in comparison to control and benign breast disease