Table 2: Age-adjusted and fully adjusted odds ratios for prostate cancer aggressiveness in relation to refined grain, whole grain and dietary fiber intake stratified by race.

African AmericansEuropean AmericansAll subjects
Exposure tertilecn (cases/controls)ORa95% CIaORb95% CIbn (cases/controls)ORa95% CIaORb95% CIbn (cases/controls)ORa95% CIaORb95% CIb

Refined grain intake

T165/2561.00referent1.00referent51/2831.00referent1.00referent116/5391.00referent1.00referent
T247/2461.010.66–1.550.990.62–1.6052/2710.990.66–1.500.960.61–1.5099/5171.010.75–1.350.980.71–1.36
T374/2411.230.84–1.800.950.54–1.6647/2850.870.56–1.360.610.33–1.14121/5261.120.84–1.490.780.52–1.17
P(trend)0.260.850.550.190.400.21
P(race interaction)0.43

Whole grain intake

T195/3201.00referent1.00referent46/2301.00referent1.00referent141/5501.00referent1.00referent
T245/2290.930.63–1.370.970.64–1.4760/2871.070.72–1.631.130.72–1.78105/5160.960.73–1.281.060.78–1.43
T346/1941.020.68–1.511.130.73–1.7644/3220.640.41–1.010.660.40–1.0990/5160.770.58–1.040.880.63–1.22
P(trend)0.690.620.020.890.170.15
P(race interaction)0.14

Total fiber intake

T187/2891.00referent1.00referent52/2581.00referent1.00referent139/5471.00referent1.00referent
T255/2320.630.41–0.980.570.35–0.9359/2850.860.57–1.290.780.48–1.25114/5170.730.55–0.980.700.50–0.97
T344/2221.010.76–1.590.770.44–1.3439/2960.660.42–1.040.440.23–0.8783/5180.910.68–1.200.610.40–0.93
P(trend)0.480.430.070.020.550.02
P(race interaction)0.11

Insoluble fiber intake

T185/2871.00referent1.00referent51/2471.00referent1.00referent136/5341.00referent1.00referent
T260/2350.670.44–1.020.630.39–1.0255/2850.870.57–1.390.780.49–1.29116/5200.760.57–1.020.750.54–1.04
T341/2211.100.76–1.600.800.47–1.3744/3070.620.39–0.970.430.22–0.8285/5280.860.66–1.160.610.41–0.92
P(trend)0.520.460.040.010.390.02
P(race interaction)0.13

Soluble fiber intake

T186/2861.00referent1.00referent55/2631.00referent1.00referent143/5491.00referent1.00referent
T244/2210.820.54–1.230.750.47–1.1954/2950.710.47–1.060.620.38–1.0098/5160.760.57–1.010.690.50–0.97
T356/2361.170.79–1.720.840.47–1.5341/2810.720.46–1.130.460.23–0.9397/5170.970.73–1.300.640.41–0.99
P(trend)0.120.620.970.030.970.65
P(race interaction)0.48

aadjusted for age only.
badjusted for age, race (in race-unstratified models), total energy intake,education level, smoking status, physical activity, use of nutritional supplements, use of NSAIDs, prostate cancer screening history, family history of prostate cancer and body mass index.
cTertile ranges and units are as follows.
Refined grain (servings/d): T1 ≤ 3.50, 3.5 < T2 ≤ 5.28, T3 > 5.28.
Whole grain (servings/d): T1 ≤ 0.63, 0.63 < T2 ≤ 1.33, T3 > 1.33.
Total fiber (grams/d): T1 ≤ 16.94, 16.94 < T2 ≤ 24.83, T3 > 24.83.
Insoluble fiber (grams/d): T1 ≤ 10.9, 10.9 < T2 ≤ 16.2, T3 > 16.2.
Soluble fiber (grams/d): T1 ≤ 5.81, 5.81 < T2 ≤ 8.86, T3 > 8.86.