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. 2015 Sep 25;10(9):e0139100. doi: 10.1371/journal.pone.0139100

Table 3. Assessment of Activity and Dietary Fiber as Risk Factors for Hemorrhoids.

Quartile  
1 2 3 4 p for trend
Physical activity
    OR (95% CI) 1 referent 0.92 (0.74–1.15) 0.96 (0.78–1.19) 0.83 (0.66–1.03) 0.18
Sedentary behavior
    OR (95% CI) 1 referent 0.89 (0.72–1.09) 0.82 (0.66–1.02) 0.80 (0.65–0.98) 0.02
Total dietary fiber, g/day
    OR (95% CI) 1 referent 0.86 (0.69–1.08) 0.81 (0.65–1.02) 0.80 (0.64–1.01) 0.03
Bean fiber, g/day
    OR (95% CI) 1 referent 1.00 (0.80–1.25) 0.88 (0.70–1.10) 1.08 (0.86–1.35) 0.94
Grain fiber, g/day
    OR (95% CI) 1 referent 0.90 (0.72–1.13) 1.00 (0.80–1.25) 0.78 (0.62–0.98) 0.15
Fruit and vegetable fiber, g/day
    OR (95% CI) 1 referent 0.90 (0.71–1.12) 0.88 (0.70–1.11) 0.87 (0.69–1.09) 0.18

1 Adjusted for sex and age