Data about vegetables & fruits high in vitamine C was provided by 1 cohort. No association was found with ovarian cancer risk.
| Author | Cohort name | Subjects | Years of follow-up | Cases | End point | Consumption of | Relative Risk (RR) | Adjustments |
| 4) Fairfield KM (2001) | The Nurses' Health Study | 80,326 women aged 38-63. Excluding women with a history of bilateral oophorectomy, hysterectomy with unknown number of ovaries removed, or history of pelvic irradiation. (USA) | 1984-1996 | 204 | Invasive epithelial ovarian cancer incidence | Foods high in vitamin C (cantaloupe, oranges, orange juice, grapefruit, grapefruit juice, strawberries, broccoli, and brussels sprouts) |
RR = 1.09 (0.69-1.72; P = 0.54) for the highest vs lowest tertile of consumption. Amount specific data (servings/week): ≤ 1: RR = 1. 1-2: RR = 1.26 (0.82-1.94). 2+: RR = 1.09 (0.69-1.72). | Age, BMI, duration of oral contraceptive use, smoking history, parity, history of tubal ligation, total energy, and dietary fiber. |