Table 3.

The association between intake of multivitamin-multimineral supplements and high mammographic density (ACR 3/4)

Multivitamin-multimineral supplements (current intake)
	OR*	95%CI
Pre- and postmenopausal (n** = 392)
no	1 (ref.)
yes	0.61	(0.38 – 0.97)
	OR***	95%CI
Pre- and postmenopausal (n** = 420)
no	1 (ref.)
yes	0.53	(0.34 - 0.83)
Premenopausal (n = 149)
no	1 (ref.)
yes	0.58	(0.25 - 1.36)
Postmenopausal (n = 271)
no	1 (ref.)
yes	0.51	(0.30 - 0.88)

Abbreviations: n, number of observations; OR, Odds Ratio; 95%CI, 95% confidence interval.

* Fully adjusted models were adjusted for physical activity, BMI, HRT, menopausal status, age, mother with history of breast cancer, school education, ever use of oral contraceptives, age at menarche, smoker at recruitment, number of live births, alcohol consumption.

**Numbers may not add up to 424 due to missing values.

*** Parsimonious models were adjusted for age and BMI at recruitment.