Table 3.

Dietary mutagen intake and mutagenic activity index in cases and controls

VariableCases (N = 626)Controls (N = 530)P value*
MeIQx (ng/day)
    Mean ± SD68.4 ± 92.255.8 ± 71.90.13
    Median (range)38.6 (16.3-82.3)32.6 (16.4-65.9)0.07
DiMeIQx (ng/day)
    Mean ± SD4.2 ± 7.02.9 ± 4.10.01
    Median (range)2.0 (0.7-4.8)1.8 (0.6-3.6)0.02
PhIP (ng/day)
    Mean ± SD236.3 ± 448.4203.5 ± 285.20.27
    Median (range)126.4 (58.0-283.7)118.4 (50.5-251.5)0.20
BaP (ng/day)
    Mean ± SD69.9 ± 92.561.2 ± 74.90.64
    Median (range)42.3 (11.6-91.8)37.3 (11.6-77.9)0.19
Mutagenicity (revertants/g/day)
    Mean ± SD10,658.5 ± 18,445.38,108.1 ± 8,948.50.14
    Median (range)6,000.1 (2,997.9-11,933.8)5,465.2 (2,926.1-9,971.6)0.07
Calories (kcal)
    Mean ± SD1,879.6 ± 851.21,948.4 ± 738.70.21
    Median (range)1,789.0 (1,380.9-2,375.8)1,760.5 (1,378.4-2,258.9)0.47
Protein (g)
    Mean ± SD85.5 ± 38.983.7 ± 36.30.48
    Median (range)78.9 (60.3-101.7)78.3 (58.7-101.4)0.60
Animal fat (g)
    Mean ± SD40.9 ± 24.138.8 ± 20.70.17
    Median (range)36.4 (25.9-50.9)34.0 (24.1-49.2)0.18
Total fat (g)
    Mean ± SD74.0 ± 37.474.0 ± 34.21.00
    Median (range)65.9 (50.2-91.3)68.0 (49.8-90.9)0.68
  • * P values for comparison of the means were from ANOVA of natural log-transformed HCA, BaP, and mutagenicity values. P values for comparison of the medians were from Mann-Whitney test.