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Table 4 Potential dietary habits as predictors for CRC

From: Healthy dietary patterns decrease the risk of colorectal cancer in the Mecca Region, Saudi Arabia: a case-control study

Independent variable β OR 95% CI P P-trend
Dairy products (servings/day)
  < 1 0 1    <0.001
 1–2 −1.60 0.2 0.05–0.79 0.022
 3–5 −2.91 0.06 0.01–0.28 <0.001
  > 5 ND ND ND ND
Legumes (servings/week)
  < 1 0 1    0.004
 1–2 −0.75 0.48 0.17–1.31 0.149
 3–5 −1.28 0.28 0.09–0.85 0.025
  > 5 −0.33 0.72 0.16–3.32 0.673
Leafy vegetables (servings/week)
  < 1 0 1    NS
 1–2 −1.26 0.28 0.08–0.96 0.043
 3–5 −1.7 0.18 0.05–0.67 0.01
  > 5 −0.66 0.52 0.13–1.99 0.338
Olive oil (servings/week)
  < 1 0 1    NS
 1–2 −1.44 0.24 0.11–0.52 <0.001
 3–5 −1.41 0.24 0.1–0.61 0.003
  > 5 −0.57 0.57 0.23–1.37 0.205
Black tea (cups/day)
  < 1 0 1    <0.001
 1–2 −1.06 0.35 0.11–1.08 0.067
 3–5 −1.77 0.17 0.05–0.56 0.003
  > 5 −1.56 0.21 0.08–0.53 0.001
Coffee (cups/day)
  < 1 0 1    0.002
 1–2 −2.49 0.08 0.03–0.25 <0.001
 3–5 −1.37 0.25 0.72–0.90 0.033
  > 5 −2.23 0.11 0.04–0.31 <0.001
  1. The reference is the control group
  2. Abbreviations: β beta coefficient, CI confidence interval, ND not determined, NS not significant, OR odds ratio