Results of the proportional hazards regression analyses of the factor scores appear in Table 3. Increasing score on the fruit and vegetable factor was associated with significantly lower risk of colorectal cancer in both age-adjusted and multivariate-adjusted models for men (RR = 0.81, 95% CI 0.70–0.93 for Q5 vs. Q1; p trend 0.004 in the multivariate model). The fat-reduced and diet-foods factor showed a similar inverse association with risk of incident colorectal
cancer (RR = 0.82, 95% CI 0.72–0.94 for Q5 vs. Q1; p trend 0.0001 in the multivariate model). For each of these two patterns, there was a nearly monotonic decrease in risk with increasing quintile of factor score. In contrast to these results, men with a higher score on the red meat and potatoes factor were at increased risk of colorectal cancer in both the age-adjusted and multivariate-adjusted models, though the magnitude of association was modest (RR = 1.17,
95% CI 1.02–1.35 for Q5 vs. Q1; p trend 0.14 in the multivariate model).
Results of the proportional hazards regression analyses of the factor scores appear in Table 3. Increasing score on the fruit and vegetable factor was associated with significantly lower risk of colorectal cancer in both age-adjusted and multivariate-adjusted models for men (RR = 0.81, 95% CI 0.70–0.93 for Q5 vs. Q1; p trend 0.004 in the multivariate model). The fat-reduced and diet-foods factor showed a similar inverse association with risk of incident colorectalcancer (RR = 0.82, 95% CI 0.72–0.94 for Q5 vs. Q1; p trend 0.0001 in the multivariate model). For each of these two patterns, there was a nearly monotonic decrease in risk with increasing quintile of factor score. In contrast to these results, men with a higher score on the red meat and potatoes factor were at increased risk of colorectal cancer in both the age-adjusted and multivariate-adjusted models, though the magnitude of association was modest (RR = 1.17,95% CI 1.02–1.35 for Q5 vs. Q1; p trend 0.14 in the multivariate model).
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