Primary variables of interest were total fruits consumption or total vegetables consumption. Data from 4 articles was available in which effects were only shown of the relation with combined total fruits & vegetables consumption. No associations were found.
| More information: back to literature review.|
| Author | Cohort name | Subjects | Years of follow-up | Cases | End point | Consumption of | Relative Risk (RR) | Adjustments |
| 32) Shin A (2006) | The Shanghai Women's Health Study (SWSH) | 73,314 women aged 40-70. | 5.74 (1997-2000 to 2004) | 283 | Colorectal cancer risk | Fruit and vegetables (not defined) | Cases (543.1 g/d) and controls (267.8 g/d) were similar in fruit and vegetable intake . | Unadjusted. |
| 18) Hansen RD (2009) | The Danish Diet Cancer and Health Study | 57,053 subjects aged 50-64. | median 6.7 (1994-2003) | 375? | Colorectal cancer incidence (96% were adenocarcinomas) | Fruit and vegetables (not defined) | Cases consumed 322 g/day, and sub-cohort members 366 g/day. (No RRs; No P-value). | Unadjusted. |
| 8) Zheng W. (1998) | The Iowa Women's Health Study. | 34,702 postmenopausal women aged 55-69. (USA) | 9 (1986-1994) | 144 | Rectal cancer risk | Total fruit and vegetables (not defined) |
RR = 0.97 (0.62-1.51; P = 0.87) for the highest vs lowest tertile of consumption Amount specific data (servings/week): < 33.5: RR = 1. 33.5-48.5: RR = 0.85 (0.56-1.28). ≥ 48.6: RR = 0.97 (0.62-1.51). | Age. |
| 3) Gerhardsson M (1988) | No cohort name. | 16,477 twin individuals. (Sweden) | 14 (1969 to 1982) | Not defined. | Colon cancer risk (adenocarcinomas) | Fruit and vegetables (not defined) | No significant association with colon cancer risk (no data shown). | Not defined. Possibly unadjusted. |