| 10) Greenstein J (1996) | The Iowa Women's Health Study | 34,388 postmenopausal women. | 1986-93 | 1,018? | Breast cancer incidence | Garlic | An inverse association (No data shown; P = 0.026). | Major breast cancer risk factors (not defined). |
| 7) Dorant E. (1995) | The Netherlands Cohort Study. | 62,573 women aged 55-69. | 3.3
(1986-1989) | 329 (exclusively garlic supplements), and
139 (garlic + any other supplement) | primary breast cancer risk
(excluding in situ) | Garlic supplements (daily use of any garlic supplement for at least one year in the five-year period before baseline) |
Excusively garlic supplements: No significant association. RR = 0.75 (0.41-1.38; No P-value) vs no supplements.
Garlic + any other supplement: RR = 1.12 (0.63-1.99; No P-value) vs any other supplements. | age, parity, age at menarche, age at first birth, age at menopause, artificially-induced menopause, oral contraceptive use, history of benign breast disease, breast cancer in mother, breast cancer in sister(s), alcohol consumption, Quetelet index, education, smoking status, dietary intake of viatmine C and beta-carotene. |